Shared Flashcard Set

Details

Biology
Blood
284
Biology
Undergraduate 1
10/23/2010

Additional Biology Flashcards

 


 

Cards

Term
What are the 3 main functions of the blood?
Definition

-transport

-protection

-regulation

Term

What does blood transport?

 

Definition
gases, nutrients/wastes, hormones
Term
What are three types of protection in blood?
Definition

-white blood cells

-antibodies

-platelets

Term
Three ways that blood regulates the body?
Definition

body temperature

fluid distribution

stabilize pH

Term
What are the two main parts of the composition of blood?
Definition
formed elements and plasma
Term
What are the percentages of formed elements and plasma?
Definition

45 elements

55 plasma

Term
What makes up the formed elements of the blood?
Definition
white and red blood cells, and platelets
Term
What makes up the plasma of the blood?
Definition
water, proteins, nutrients, electrolytes, wastes
Term
What three proteins make up the plasma and their jobs?
Definition

albumin-osmolarity

globulin-immunity

fibrinogen-clotting

Term
What causes Kwashiorkor condition?
Definition
extreme starvation and protein deficiency
Term
term for more protein (solute) in tissues compared to blood?
Definition
hypoproteinemia
Term
What causes edema in kwashiorkor condition?
Definition
body draws albumin for more important things, water leaves bessels and results in water moving into tissue
Term
In humans, how many blood cells are in one microliter of blood?
Definition
5 million
Term
Where are red blood cells produced?
Definition
red bone marrow
Term
Why do RBC not have any organelles (nucleus/mitochondria)?
Definition
to make more room for hemoglobin
Term
What is the shape of a RBC?
Definition
Biconcave disc
Term

What filters dying blood cells for removal?

and why?

Definition

the spleen,

 

to remove blood clots/problems

Term
How long does a RBC live?
Definition
120 days
Term
How is the RBC count maintained?
Definition
negative feedback loop
Term
What stimulates the making of RBC in the bone marrow?
Definition

Hormone erythropoietin

(EPO)

Term
What produces erythropoietin?
Definition
liver and kidneys
Term
When RBC count drops, tissues become...
Definition
oxygen deficient
Term
What happens when cells become oxygen deficient?
Definition
the liver and kidneys have receptors that recognize the oxygen deficiency, they release EPO, which triggers production of RBC
Term
Hemoglobin is made up of four ________.
Definition
polypeptides
Term
What type of chains make up hemoglobin?
Definition
2 alpha and 2 beta
Term
What makes up a heme group?
Definition
polyphorin
Term
What is in a heme group that oxygen binds to?
Definition
iron
Term

Hemoglobin is recycled when RBCs die?

 

true/false

Definition
true
Term
What is a byproduct of heme?
Definition
bilirubin (bile)
Term
What is an example of a hemoglobin disorder?
Definition
sickle cell anemia
Term
What causes sickle cell anemia?
Definition
mutated forms of hemoglobin
Term
What bad things occur due to sickle cell anemia?
Definition

reducing of oxygen binding

cells stick together and block small vessels

Term
Describe the relationship of sickle cell anemia and malaria
Definition
if you have sickle cell anemia you cannot get malaria because the parasyte cannot penetrate the cell, otherwise, people with regular RBC can get malaria
Term
What hemoglobin disorder is common in affecting the nervous system or skin?
Definition
porphyria
Term
What causes porphyria?
Definition
mutated enzymes that hinder bodies ability to make heme which leads to a build up of polyphorins
Term
What are three signs of cutaneous porphyria?
Definition

photosensitivity

reddish/brown teeth

anemia (low iron in blood)

Term
What can help to remove polyphorins in cutaneous porphyria?
Definition
blood transfusion
Term
A specific chemical group on the surfact of red blood cells are called...
Definition
antigens
Term
What determines blood types?
Definition
antigens
Term

Antigens can be...

 

(3)

Definition

proteins

sugars and proteins

sugars and fats

Term
What is another term for antibodies?
Definition
agglutinins
Term
What can recognize and bind specific antigens?
Definition
antibodies
Term
Antibodies cause foreign cells to...
Definition
aggluitnate (clump together)
Term
What removes the clumps of foreign cells from the body?
Definition
the immune system
Term
How many blood antigens are there and what are they?
Definition

3

 

A, B, D/Rh

Term
For what does the body produce antibodies?
Definition
for antigens they lack
Term
Type A blood has what antibodies?
Definition
anti-B
Term
Type B has what antibodies?
Definition
anti-A
Term
Type AB has what antibodies?
Definition
none
Term
Type O has what antibodies?
Definition
anti-A and anti-B
Term

Do blood types have to match for transfusions?

and why?

Definition
yes, b/c if they don't, an immune response will occur
Term
What is condsidered in donor blood?
Definition
antigens only
Term
What type of blood is the universal donor?
Definition
type O
Term
Why is type O the universal donor?
Definition
because it has no surfact antigens, so if given, it does not react with antibodies of other blood types
Term
What type of blood can type O patients receive and why?
Definition
only type O because they produce anti-A and anti-B
Term
What type of blood is the universal recipient?
Definition
type AB
Term
Why is AB the universal recipient?
Definition
AB patients produce no antibodies, so they can accept any type (antigen)
Term
What are the symbols for the presence and lack of antigen Rh?
Definition

Rh+

Rh-

Term

When are Rh antibodies produced?

 

and what causes this?

Definition

When an Rh- person comes into contact with Rh+ blood

 

pregnancy and transfusions

Term
Fragments of large bone marrow cells are...
Definition
platelets
Term
Once platelets are released into the blood stream, how long do they circulate?
Definition
10 days
Term
Platelets play an important role in..
Definition
HEMOstasis
Term
The cessation of bleeding is called...
Definition
HEMOstasis
Term
What are the three parts of hemostasis?
Definition

1. vascular spasm

2. platelet plug formation

3. coagulation (clotting)

Term

vascular spasm

-prompt ______ of a damaged blood vessel

-controlled by _____ receptors, local damage to ____ ____, and _______ from platelets

Definition

-constriction

-pain, tunica intima, secretions

Term

platelet plug formation

-damaged vessel exposes ______ to ______

-Platelets adhere to _____ and release ______ to cause more to adhere

Definition

-collagen, lumen

-collagen, chemicals

Term

coagulation (clotting)

-involves the activation of ______ to _____

-complex pathway

-activated fibrin adheres to the ______ ______ and platelet ____

-_____ more platelets, like a spider web

-brings damaged vessel _____ so it can heal

-after healing the clot is _____

Definition

-fibrinogen, fibrin

-vessel walls, plug

-traps

-together

-dissolved

Term
The lymphatic system is critical for...
Definition

ciculatory system

immune system

Term
Two important aspects of the lymphatic system
Definition

fluid recovery (maintain blood pressure)

 

site of immune cells (disease fighting cells)

Term

lymphatic system

-network of ____ that extends to all ______ of the body

-______ and _____ that produce and maintain ____ cells

Definition

-vessels, tissues

-organs, tissues, immune

Term
organs and tissues of the lymphatic system include:
Definition
lymph vessels/nodes, tonsils, thymus, spleen, bone marrow
Term
What do the thymus and bone marrow have in common?
Definition
both produce white blood cells
Term
What filters blood in the body?
Definition
spleen
Term
Humans have how much blood in their body?
Definition
4-6 liters
Term
capillaries are...
Definition
LEAKY
Term
how much water diffuses into tissues daily?
Definition
2-4 liters
Term
what is the liquid that lymph vessels absorb called?
Definition
interstitial fluid
Term
what makes up lymph fluid?
Definition
absorbed liquid, cells, debris
Term
what is the final step of fluid recovery?
Definition
final transportation back into the blood vessels
Term
What causes elephantiasis, and what happens?
Definition

a parasite infects lymph vessels

 

prevents reabsorption of lymph fluid

Term
Elephantiasis leads to edema in limbs, what happens over time?
Definition
skin stretches and thickens to adapt to the fluid in tissue
Term
Lymph (liquid) is filtered by..
Definition
lymph nodes
Term
Lymph nodes are ____ shaped and made of...
Definition

bean

 

lymph tissues

Term
What do lymph nodes contain that help with immunity?
Definition
lymphcytes
Term
What happens to lymph nodes when a person becomes sick?
Definition
become swollen and painful
Term

when sick, lymph nodes...

-_____ of nodes

-defense ______ to pathogens

-when infection diminishes, nodes _____ ___ _____

Definition

-inflammation

-response

-return to normal

Term
cancer of lymph system
Definition
lymphoma
Term
What organ is important in the lymph system?
Definition
spleen
Term
pathogens-
Definition
disease causing organisms
Term
Four examples of pathogens...
Definition

bacteria

viruses

parasites

fungi

Term
what are the bodies two mechanisms to deal with pathogens?
Definition
nonspecific and specific immunity
Term
Four parts of nonspecific immunity:
Definition

1. external barriers

2. phagocytic cells

3. immunological surveillance

4. complement system

Term
two parts of specific immunity:
Definition

1.cell-mediated resistance

2. antibody-mediated resistance

Term
What is another name for white blood cells?
Definition
leukocytes
Term
where are white blood cells produced?
Definition
red bone marrow
Term
how many white blood cells are there per drop of blood?
Definition
5,000-10,000
Term

white blood cells retain organelles

 

true/false

Definition
true
Term

cells of immunity

-based on original ____ ____ source in bone _____

Definition
stem cell, marrow
Term
5 cells of immunity:
Definition
neutrophils, monocytes, basophils, lymphocytes, eosinophils
Term
What cells of immunity make up 70 percent?
Definition

neutrophils

monocytes

basophils

eosinophils

Term
what cells of immunity make up 30 percent?
Definition
lymphocytes (b cells, t cells, natural killer cells)
Term
two types of external barriers:
Definition

1. integumentary system

2. mucous membranes

Term
Why is the integumentary system a NSR?
Definition
because it is dry to prevent infection, and the acidity of the skin helps kill bacteria, while preventing pathogens from entering
Term
Why are mucous membranes NSR?
Definition
because it "traps" pathogens and remove then from body (nose)
Term
What are the two types of phagocytic cells?
Definition

1. microphages

2. macrophages

Term
what makes up microphages?
Definition
neutrophils and eosinophils
Term
What makes up macrophages?
Definition
monocytes
Term

Immunological surveillance

-natural _____ cells

-recognizes any _____ antigens

-recognition results in production of ________

Definition

-killer

-abnormal

-perforin

Term

complement system

-"complements" ____ _____--> _______ when antibodies are bound to antigens

-___ proteins, end result is the formation of a ____ in the pathogen or _____ cell membrane

Definition

-specific resistance, activated

-18, pore, infected

Term
what is an increase in body temperature called?
Definition
fever
Term
what causes a fever?
Definition
pyrogens
Term

pyrogens

-______ released by macrophages during ________

-results in ______ "resetting" body's thermostat

Definition

-proteins, phagocytosis

-hypothalamus

Term
What do aspirin and ibuprofen prevent during fevers?
Definition
prevents pyrogens from delivering message to brain
Term
fevers increase...
Definition
metabolism
Term
fevers are a natural response to...
Definition
infection
Term
Resistance directed towards a specific pathogen
Definition
specific resistance
Term

specific resistance

 

body develops ______ of pathogen for _____ ____

Definition
memory, future protection
Term
what are the two types of immunity?
Definition

innate (we have at birth)

acquired (based on exposure to antigens)

Term
Acquired immunity (specific resistance) can either be..
Definition
passive or active
Term

passive immunity

-produced by ____ of antibodies from another _____

Definition
transfer, person
Term

active immunity

-produced by ______ that develop in response to _____

Definition
antibodies, antigens
Term
two cells of specific resistance
Definition

t cells

b cells

Term
thymus dependent cells.
Definition
t cells
Term

t cells

 

cellular or antibody mediated

Definition
cellular mediated
Term

three types of t cells

 

Definition

1. cytotoxic t cells

2. helper t cells

3. suppressor t cells

Term

b cells

 

cellular or antibody mediated

Definition
antibody
Term

direct physical and chemical attack..

 

occurs with

Definition
cell-mediated immunity
Term

attack by circulating antibodies..

 

occurs with..

Definition
antibody mediated
Term
Two main players in cell-mediated immunity
Definition

T cells

Antigen Presenting cells

Term

Class I

 

Definition

all nucleated cells in body

 

want to be killed b/c they're infected

Term

Class II

 

 

Definition

macro- and microphages, b cells

 

warns of bad antigens, wants help to destroy bad things

Term

Helper T cells are involved in class ___ reactions

 

use protein: _____

Definition

II

 

CD4

Term
naive actually means...
Definition
inactive
Term
there is a protein complex on surface of helper T cells that is specific to _____
Definition
antigen
Term
a "two-signal Model" prevents..
Definition
accidental activation
Term

Activation

-naive Th cells binds ____ ___ on class II ____ signal 1

-utilizes ____ protein and Th _____ on Th cell

-"co-stimulation through ______signal 2

Definition

APC antigen, APCs

-CD4, receptor

-molecules

Term
activated Th cells secrete
Definition
cytokines
Term

-cytokines help ______Tc cell and B cell _____

-help stimulate _______ responses

-integrate ________, ________ and _______

Definition

-stimulate, activation

-nonspecific

-cell mediated, antibody mediated, nonspecific

Term
activation also causes differentiation of ______ __ ____.
Definition
memory Th cells
Term

Cytoxic T cells

 

class ____

protein: ____

Definition

I

 

CD8

Term

activation

-naive Tc cells binds ____ antigen from class I ____ signal 1

-utilizes ___ protein and ___ ____ on Tc cell

Definition

-APC, APCs

-CD8, Tc receptor

Term

Activated Tc cells directly _____ infected cells (class I) with ____ presented antigen

 

using: ____ and ____

Definition

attack, same

 

perforin, cytokines

Term

Activation of Tc cells causes differentiation of _____ __ _____.

 

Definition
memory Tc cells
Term
Attack and destroy infected and abnormal cells displaying antigen
Definition
cytotoxic T cells
Term
Control or moderate immune response by T cells and B cells
Definition
Suppressor T cells
Term
Stimulate immune response by T cells and B cells
Definition
Helper T cells
Term
Await reappearance of the antigen
Definition

Memory Tc cells

Memory Th cells

Term

B Cell Activation

-B cells have _____ for specific antigens on cell _____

Definition

antibodies

surface

Term

B cell activation

 

antigen binds antibody, engulfs antigen, presents antigen...

Definition
sensitization
Term

B Cell activation

 

Bind Th cell activated with same antigen, "co-stimulation"

Definition
activation
Term

B cell activation

 

produce ______ cells --> make and secrete ____

Definition
plasma, antibodies
Term

B cell activation

 

produce _____ __ cells --> faster ______ if exposed to antigen again

Definition
memory B, response
Term
Specific response occurs in...
Definition
lymph nodes
Term
immunity creates a _______ of a disease..
Definition
memory
Term

Memory of disease:

 

what kinds of cells?

Definition
memory T and B cells
Term
Vaccines ..
Definition
weakened forms of a disease
Term
Vaccines cause the _______ response at a ___ rate, so low you normally do not get ____.
Definition
immune, low, sick
Term
Activated B cells produce ______ antibody molecules per second over _____ to ____ days
Definition

5,000

 

4-5

Term
It is predicted that the body can produce _ _____ different types of antibodies
Definition
10 billion
Term
What are the 4 main modes of actions for antibodies
Definition

1. neutralization

2. opsonization

3. agglutination

4. precipitation

Term

neutralization

 

bind to part of _____ that is ____

Definition
antigen , toxic
Term

opsonization

 

______ of antibodies makes

Definition
coating
Term

agglutination

 

antibodies bind to multiple ____ causing them to _____ ____ and prevents ______ throughout body

Definition
antigens, stick together, transport
Term

precipitation

 

if clumps get big enough they are ________ by ______

Definition
removed , phagocytosis
Term

What are the three meanings of respiration:

 

Definition

1. ventilation of lungs (breathe)

2. exchange of gases between tissues

3. use of oxygen for metabolism

Term
four functions of the respiratory system:
Definition

1. gas exchange (o2 and co2)

2. balance of pH of blood

3. sense of smell, speech

4. breathing helps with blood and lymph flow

Term

What respiratory system includes what structures?

 

(6)

Definition
nose, pharynx, larynx, trachea, bronchi, lungs
Term
functions of the nose and pharynx:
Definition
cleanse, warm, and humidify air
Term

nose and larynx

 

what are ciliated cells?

Definition
cells that look like they have hair on them. their function is to push mucus downwards and filter air.
Term

nose and pharynx

 

mucus-producing cells..

Definition
goblet cells
Term

nose and pharynx

 

the site of ____ cells (macrophages)

Definition
lymphatic
Term
The larynx is also known as the...
Definition
voicebox
Term

pharyx is...

 

____ cm long

made of: ____ and ___

Definition

4

cartilage/muscle

Term

Functions of larynx:

-_______ substances from entering _____

-______ production

Definition

prevent, trachea

sound

Term

Larynx

 

the flap of tissue that blocks that trachea when you swallow food

Definition
epiglottis
Term
trachea is also known as the...
Definition
windpipe
Term
the trachea is located where?
Definition
in front of esophagus
Term
trachea provides ______ of air between _____ and ____.
Definition
passage, larynx, lungs
Term
the trachea branches at the bottom to ______ _____ which are tubes that go to lungs
Definition
primary bronchi
Term

two COOLEST characteristics of trachea and primary bronchi

 

Definition

-cartilage rings

-mucocilliary escalator

Term
The lungs divide into how many lobes?
Definition
2
Term

the right lobe is separated into how many parts?

 

the left lobe is separated into how many parts?

Definition

3

 

2

Term
What are the two membranes that cover the lungs called?
Definition
pleuras
Term
the pleuras form a ____ around each lung which is called _____ _______.
Definition

sac

 

intrapleural space

Term
Pleura sac is surrounded by...
Definition
fluid
Term

what is the purpose of the fluid that surrounds the pleura sac?

 

Definition

cushioning and reducing friction

 

maintains pressure

 

 

Term
Pleurae ____ to surface of ___ and interior of _____ ____
Definition

stick

lungs

thoracic cavity

Term
highly branched system of air tubes with two parts
Definition
lungs!!!!
Term
What are the two parts of the lungs?
Definition

air conducting

gas exchange

Term
what are the structures of the air conducting system?
Definition
bronchi and bronchioles
Term
What are the structures of the Gas exchange system?
Definition

respiratory bronchioles

alveioli

Term
What makes the lungs "springy" under pressure
Definition
vessels and elastic fibers
Term
What four main things make up a lung?
Definition

1. bronchi

2. alveoli

3. vessels

4. lymphatic tissue

Term

Air conducting

-______ tube-like structures

-contain _____ and _____ cells

-functions in ____ ____

-supported by ____ and _____ muscle

Definition

larger

cartilage/ciliated

conducting air

cartilage/smooth

Term

gas exchange

-____ tube-like structures and balloon-like structures (______)

-no _____ or ____ cells

-functions as ___ _____

-supported by ______ muscle

Definition

smaller, alveoli

mucus, ciliated

gas exchange

smooth

Term
alveolar sacs are a grouping of...
Definition
alveoli
Term

alveolar sacs

-end of the _______ tubes

-______ of tissues, which hold ____

-____ million alveioli in human lungs

Definition

airconducting

pouches

150

Term
Each alveolus is _______ associated with a capillary bed.
Definition
intimately
Term
what separates the air and capillaries...
Definition
respiratory membranes
Term
how thick is the respiratory membrane...
Definition
2 cells thick
Term
What does the respiratory membrane allow for?
Definition
respiratory membrane
Term
What 3 cells make up the alveoli..
Definition

1. squamous cells

2. great alveolar cells

3. dust cells

Term

squamous cells

 

-____ cells that make pouch

Definition
flat
Term

great alveolar cells

 

-produce _____

-reduce ____ ____ so alveoli does not ______ to itself

Definition

surfactant

water tension, stick

Term

dust cells

 

-type of ______

-______ inhaled debris

-immune system

Definition

macrophage

phagocytize

Term
What are the three processes of respiration?
Definition

1. pulmonary ventilation

2. gas diffusion

3. gas transport

Term

pumonary ventilation

 

-physical movement of ____ into the _____

Definition
air/lungs
Term

gas diffusion

 

-across the _______ membrane

Definition
respiratory
Term

gas transport

 

to _____ in the body

Definition
tissues
Term

Boyles Law:

-the pressure of a given quantity of gas is _______ proportional to its volume

-gasses move from _____ pressure to ____ pressure

Definition

-inversely

-high/low

Term
air pressure on the outside the body...
Definition
atmospheric pressure
Term

air pressure in lungs

(alveoli)..

Definition
intrapulmonary pressure
Term

lower intrapulmonary pressure compared to atmospheric occurs during...

due too...

Definition

inspiration (inhale)

 

increase in lung volume

Term

higher intrapulmonary pressure compared to atmospheric pressure occurs during...

due to...

Definition

exhalation

 

decrease in lung volume

Term
pressure between membranes is called..
Definition
intrapleural pressure
Term
intrapleural pressure prevents lungs from ...
Definition
collapsing
Term

intrapleural pressure keeps lungs ________.

soo... lung volume is ______ to thoracic cavity volume.

Definition

expanded

proportional

Term
what creates intrapleural pressure?
Definition
skeletal muscles (ribs, diaphragm, abdominal)
Term
exhalation is normally..
Definition
passive
Term
polmonary ventilation is both ______ and _____ control
Definition
voluntary/involuntary
Term

the breaths per minute is called...

 

what is the average?

Definition

respiratory rate (f)

 

15

Term

amount of gas inhaled during one breath...

 

what is the average

Definition

tidal volume (Vt)

 

500mL

Term

volume inhaled in one minute...

 

what is the equation...

Definition

respiratory  minute volume (Ve)

 

Ve = f x Vt

Term

air at the alveolar respiratory membrane

 

what is the equation..

Definition

alveolar ventilation (Va)

anatomic dead space (Vd)

 

Va= f * (Vt-Vd)

Term
The air we breath is a ...
Definition
mixture of gases
Term
each gas contributes a ______ _____ to the total overall pressure
Definition
partial pressure
Term
What is overall pressure...
Definition
the weight of air on us
Term

what atmospheric pressure

 

(measurement)

Definition
760 mmHg
Term
Gases maintain partial pressures when dissolved in ...
Definition
liquids...LIKE BLOOD
Term
What do differences in partial pressure allow for?
Definition
diffusion
Term
obviously, pressures diffuse down a ...
Definition
PRESSURE gradient
Term

blood that enters lungs

 

PO2...

PCO2...

Definition

40 mmHg

45 mmHg

Term

air in alveoli..

 

PO2...

PCO2...

Definition

100 mmHg

40 mmHg

Term

blood leaving lungs

 

PO2..

PCO2..

Definition

100 mmHg

40 mmHg

Term
So, between the alveoli and blood...
Definition
equilibrium
Term
what 3 factors affect gas exchange?
Definition

1. concentration gradients of gases

2. gas solubility

3. thickness of respiratory membrane

Term

concentration gradients

 

-larger gradient, ______ diffusion rate

Definition
higher
Term

gas solubility

 

-CO2 is ___ time as soluble O2

-O2 has a ____ concentration gradient

-CO2 has a higher _____

Definition

20

higher

solubility

Term
What is the respiratory membrane surface area?
Definition
70 m2 per lung
Term
How much blood is in alveolar capillaries?
Definition
100 mL
Term
During pneumonia, alveolar walls will
Definition
thicken
Term
after smoking, alveolar walls with
Definition
thin
Term
how are oxygen and carbon dioxide transported?
Definition
in the bloodstream
Term

where does oxygen bind to?

 

what percentage does that?

Definition

heme group of hemoglobin

 

98.5%

Term
Where is oxygen unloaded?
Definition
where partial pressure of O2 in surrounding tissue drops
Term
binding of oxygen is dependent on...
Definition
temperature, pH, partial pressure
Term
what is the waste product from cellular respiration?
Definition
carbon dioxide
Term
carbon dioxide--> relates to ___ of the blood
Definition
pH
Term

how is carbon dioxide transported in blood..

as...

Definition
carbonic acid
Term
what would cause carbon dioxide to be too high?
Definition
exercise!!
Term

high level of carbon dioxide

-produces _____ ions, ____ pH

-_________ (too much carbon dioxide)

-acidosis

Definition

hydrogen, lower

hypercapnia

 

Term

low levels of carbon dioxide

-________ hydrogen ions,_____ pH

-_________ (too little carbon dioxide)

-alkalosis

Definition

-decreases, raises

-hypocapnia

Term
during increased levels of carbon dioxide... the equation move to the...
Definition
RIGHT
Term

Increased CO2

chemoreceptors

-_____ respiratory rate

-reduces blood _____

 

Definition

increases

acidity

Term

CO2 decreases

-equation will shift ____

CHEMORECEPTORS

-_______ respiratory rate

-reduces blood ______.

Definition

left

decrease

alkalinity

Term

respiratory netural control center

has...

Definition
afferent, interneurons, efferent
Term
afferent neurons supply..
Definition
sensory input
Term
interneurons integrate _______ input at _____ groups.
Definition

sensory

respiratory

Term
where are interneurons located?
Definition
medulla
Term

interneurons...

-________ center and ______

 

?????

Definition
pneumotaxic/apneustic
Term

efferent neurons

-cause a ______

-________ respiratory rate

Definition

response

altered

Term

afferent neurons:

(5)

 

Definition

1. higher brain centers

2. stretch receptors in lungs

3. irritant receptors in lungs

4. proprioceptors

5. chemoreceptors

Term

higher brain centers

 

(2)

Definition

emotions

conscious control

Term

stretch receptors in lungs

 

(1)

 

Definition
prevents over inflation of lungs
Term
irritant receptors in lungs
Definition
increase rate to get irritants out
Term

proprioceptors

 

Definition
-increase muscle activity= increase respiratory rate to remove CO2
Term

chemoreceptors

-detect changes in ____ of blood

-acidosis ______ signals from chemoreceptors to ______ respiratory rate

-alkalosis ______ signals from chemoreceptors to ________ respiratory rate

Definition

pH

increases/increases

decreases/decreases

Term
where are the respiratory centers for interneuron and efferent neurons located?
Definition
in the medulla
Term
what are the two types of neurons..
Definition

inspiratory

expiratory

Term

inspiratory neurons

-used in _____ breathing

-interneurons synapse with motor neurons of skeletal muscles

Definition

normal

"quiet"

Term

inspiratory neurons

-cause contraction of _____ and ________ --> ______

Definition

diaphragm

rib muscles

 

inhalation

Term
exhalation is....
Definition
passive
Term
more action potentials per time period _______ respiratory rate
Definition
increases
Term

Expiratory neurons

-used in _____ breathing

-interneurons synapse with motors neurons of skeletal muscles

Definition
active
Term

expiratory neurons

 

cause contraction of accessory _____ ____ and ___ --> forcing __________

Definition

rib muscles/abs

 

exhalation

Term
What is created between inspiratory and expiratory during forced breathing?
Definition

rhythm..

 

DONE!!

Term
:)
Definition
:(
Supporting users have an ad free experience!