Shared Flashcard Set

Details

Ch23 respiratory system starts at trachea
start: trachea ends at path of oxygen ending at alveoli
122
Anatomy
Undergraduate 1
11/01/2012

Additional Anatomy Flashcards

 


 

Cards

Term
trachea recieves air from (1)
Definition
larynx
Term
trachea aka
Definition
windpipe
Term
trachea diameter
Definition
2.5 cm
Term
trachea is controlled by (1)
Definition
autonomic nervous system
Term
trachea extends from (1) and goes into (1)
Definition
from the cricoid cartilage into mediastinum

* remember its larynx then trachea
Term
trachea branches into
Definition
right and left primary pulmonary bronchi
Term
trachea is lined by what epithelium
Definition
pseudostratified ciliated columnar epithelium
Term
trachea is reinforced by (1)
Definition
C-shaped cartilages
Term
the submucosa of the trachea contains (1)
Definition
many mucous glands
Term
why are the trachea cartilages C shaped vs O shaped?
Definition
C shape of the tracheal cartilages allows food to pass through the esophagus during swallowing b/c it can expand
Term
The adult human trachea has how many tracheal cartilages
Definition
15-20
Term
fcn of tracheal cartilages (1)
Definition
Strengthen and protect airway
Term
the tracheal cartilages are ________ where trachea contacts esophagus
Definition
discontinous
Term
Ends of each tracheal cartilage are connected by (2)
Definition
An elastic ligament &trachealis muscle
Term
Right and Left Primary Bronchi branch from the trachea at the (1)
Definition
carina
Term
carina def
Definition
an internal ridge separating the bronchi
Term
which primary bronchus is larger in diameter?
Definition
right
Term
which primary bronchus Descends at a steeper angle?
Definition
right
Term
why do most things end up in right primary bronchus when you are chocking?
Definition
right primary bronchus:
is larger in diameter than left
&
descends at a steeper angle
Term
Hilum of the Primary Bronchi def
Definition
Where pulmonary nerves,
blood vessels,
lymphatics
enter lung
Term
hilium is anchored (1)
Definition
in a meshwork of connective tissue
Term
The root of the lung is made up of (3), located in the (1)
Definition
Complex of connective tissues, nerves, and vessels

in hilum
Term
The root of the lung is anchored to (1)
Definition
mediastinum
Term
Left and right lungs are located
Definition
in left and right pleural cavities
Term
Inferior portion of each lung is the (1)
Definition
base
Term
the base of each lung rests on
Definition
superior surface of diaphragm

(aka above diaphragm)
Term
Lobes of the lungs are seperated by (1)
Definition
deep fissures
Term
the right lung has # lobes
Definition
3
Term
name lobes of R. lung
Definition
Superior, middle, and inferior
Term
lobes of R. lung are seperated by (2)
Definition
horizontal and oblique fissures
Term
name lobes of L. lung
Definition
Superior and inferior
Term
number of lobes in L lung
Definition
2
Term
lobes of L lung are seperated by (1)
Definition
oblique fissure
Term
which lung is displaced upward by liver
Definition
right
Term
which lung is wider
Definition
right
Term
which lung is longer
Definition
left
Term
the cardiac notch is in which lung?
Definition
left
Term
how is the cardiac notch formed?
Definition
when the left lung Is displaced leftward by the heart
Term
The most superior portion of the lung is called the _________
Definition
apex
Term
the pulmonary veins carry
Definition
oxygenated blood
Term
oxygenated blood goes to the
Definition
left atrium (systemic cycle)
Term
The Bronchial Tree
Is formed by
Definition
primary bronchi and their branches

(secondary, tertiary/segemental, terminal bronchioles, respiratory bronchioles)
Term
Extrapulmonary Bronchi def
Definition
are bronchi outside of lungs
Term
which bronchi are Extrapulmonary Bronchi?(1)
Definition
The L and R primary bronchi
Term
Intrapulmonary Bronchi def
Definition
are bronchi inside lungs
Term
which bronchi are intrapulmonary Bronchi(4)?
Definition
Branches :
secondary bronchi (lobar bronchi)
tertiary/segemental bonchi
terminal bronchioles,
respiratory bronchioles) )
Term
A primary Bronchus branches to form (1)
Definition
secondary bronchi (lobar bronchi)
Term
Secondary Bronchi
•Branch to form (1)
Definition
tertiary bronchi (segmental bronchi)
Term
Each segmental bronchus Supplies air to (1)
Definition
a single bronchopulmonary segment
Term
# of Bronchopulmonary Segments in R lung
Definition
10
Term
# of Bronchopulmonary Segments in L lung
Definition
8 or 9
Term
The walls of primary, secondary, and tertiary bronchi
Contain ______ cartilage
_______ bronchiolar smooth muscle

give more or less
Definition
progressively LESS cartilage

more bronchiolar smooth muscle
Term
Compare The walls of primary, secondary, and tertiary bronchi:

list in order of highest to lowest in terms of cartilage & smooth muscle
Definition
Cartilage:
primary
secondary
tertiary/segmental

Smooth muscle:
tertiary/segmental
secondary
primary
Term
Muscle contraction ___________ airway constriction and resistance
Definition
increaes
Term
Bronchitis def
Definition
Inflammation of bronchial walls
Term
Bronchitis effects (2)
Definition
Causes constriction of bronchioles
breathing difficulty
Term
Bronchitis is treated with (2)
give general name + ex
Definition
Vasodilator: Albuterol
Fever: Acetaminophen or ibuprofen
Term
Each tertiary/segemental bronchus branches into (1)
Definition
multiple bronchiOLES
Term
Bronchioles branch into (1)
Definition
terminal bronchioles
Term
One tertiary bronchus forms about # terminal bronchioles
Definition
6500
Term
Bronchioles structure (2)

cartilage?

smooth muscle?
Definition
no cartilage

lots of smooth muscle
Term
the bronchioles are under the control of (1)
Definition
Autonomic nervous system Control
Term
how does Autonomic nervous system affect lungs (3)
Definition
1.Regulates smooth muscle
2•Controls diameter of bronchioles
3•Controls airflow and resistance in lungs
Term
Dilation of bronchial airways is called
Definition
bronchodilation
Term
when bronchioles are dilated there lumen size (decreases/increases)
Definition
increases
Term
Dilation of bronchial airways (bigger lumen) stimulated by (1)
Definition
sympathetic ANS activation of the beta-two receptors
Term
Dilation of bronchial airways causes resistance to (1)
Definition
decrease (more O2 in)
Term
Bronchoconstriction def
Definition
Constricts bronchi
Term
Bronchoconstriction caused by(2)
Definition

Parasympathetic ANS activation

 

OR

•Histamine release (allergic reactions) (to stop inhaling more allergen)

Term
histamine release is done by what cell types? (2)
Definition
mast cells

basophils (think b for benadyrl)
Term
An acute condition resulting from unusually sensitive, irritated conducting airways is
Definition
asthma
Term
asthma effects on respiratory system (2)
Definition
Excessive stimulation and bronchoconstriction

airflow severely restricted
Term
interlobular septa
Definition
Divisions of the lung created by trabecular partitions
Term
Trabeculae def
Definition
Fibrous connective tissue from root of lung that divide lobes of lung into smaller parts
Term
Trabeculae Contain (2)
Definition
supportive tissues and lymphatic vessels
Term
what Divides lobes of lung into increasingly smaller compartments (1)?
Definition
Trabeculae
Term
Each terminal bronchIOLE delivers air to(1)
Definition

a single pulmonary lobule terminal

 

(the smaller lobes in lungs)

Term
Each pulmonary lobule recives blood by (2)
Definition
pulmonary arteries and veins
Term
Each terminal bronchiole branches to form (1)
Definition
several respiratory bronchioles
Term
beginning of respiratory portion takes place (1)
Definition
respiratory bronchioles
Term
Respiratory bronchioles are connected to alveoli by (1)
Definition
along alveolar ducts
Term
Alveolar ducts end at (1)
Definition
alveolar sacs
Term
Common chambers connected to many individual alveoli are called? (1)
Definition
alveolar sacs
Term
Each alveolus concists of (2)
Definition
extensive network of capillaries
which are Surrounded by elastic fibers
Term
the aveoli mare made up of what epithelium?
Definition
simple squamous
Term
name the 2 cell types founf in Alveolar Epithelium
Definition
pneumocytes type I
&
pneumocytes type II
Term
pneumocytes type I aka (1)
Definition
(s.s.a.c.)
Term
name the cell type in Alveolar Epithelium that Can’t replicate and are easily damaged
Definition
pneumocytes type I
Term
why are pneumocytes type I delicate?
Definition
they are thin to allow gas exchange in alveoli
Term
which cell type covers t 97% of the alveolar surface?
Definition
pneumocytes type I
Term
which alveolar cell type is less abundant?
Definition
pneumocytes type I
Term
Alveolar Epithelium are Patrolled by (1)
Definition
alveolar macrophages
Term
alveolar macrophages aka (1)
Definition
phagocytic dust cells
Term
pneumocytes type II aka (1)
Definition
(septal cells)
Term
pneumocytes type II fcn (2)
Definition
Can replicate and produce type I cells

produce surfactant
Term
pneumocytes type II are Normally found (1)
Definition
alveolar septal junctions
Term
which alveolar cell type is more abundant?
Definition
pneumocytes type II
Term
name the oily secretion that Coats alveolar surfaces (1)
Definition
Surfactant
Term
Surfactant contains (2)
Definition
phospholipids and proteins
Term
Surfactant fcn (1)
Definition
reduces surface tension
Term
where Surfactant stored before you are born (1)
Definition
in cell vesicles
Term
Surfactant is first relaeased
Definition
when infant first breathes
Term
surfactant is produced by
Definition
pneumocytes type II (septal cells)
Term
__________ are the sites of gas exchange within the lungs
Definition
aveoli
Term
damage to septal cells means (3)
Definition

less surfactant produced

 

less expansion of aveoli

 

less gas exchange

 

remember low aveoli = alveoli collapse

Term
who are more at risk for respiratory distress?
Definition
a male infant born before 35 weeks produces insufficient surfactant in lungs b/c surfactant production also depends on testosterone.
Term
Respiratory Distress def
Definition
Difficult respiration Due to alveolar collapse
Term
Respiratory Distress is caused when
Definition
pneumocytes type II do not produce enough surfactant
Term
The Respiratory Membrane def
Definition
The thin membrane of alveoli where gas exchange takes place
Term
The Respiratory Membrane is made of what kind of epithelium (1)
Definition
simple squamous epithelium
Term
Three Layers of the Respiratory Membrane are
Definition

1.Squamous epithelial cells lining the alveolus

2.Endothelial cells lining an adjacent capillary

3.Fused basement membranes (basal lamina) between the alveolar and endothelial cells

Term
describe the Diffusion
Across respiratory membrane (1) and give 2 reasons
Definition
very rapid b/c distance is short
& Gases (O2 and CO2) are lipid soluble

=can enter Plasma membrane w/o a protein carrier
Term
Inflammation of Lobules in the lungs is called
Definition

pneumonia

 

 

 

pneum/o = lung

Term
what are the effects of pneumonia (2)
Definition
Inflammation causes fluid to leak into alveoli

function of respiratory membrane is comprimised
Term
pleural effusion

pneumonia
Definition
is leakage of fluid into pleural cavity
(cavity that surrounds lungs)

leakage of fluid into alveoli
Term
blood pressure in the pulmonary (lungs) circuit is usually (1 value)
Definition
30 mmHg
Term
embolism def
Definition
when Pulmonary vessels are easily blocked by blood clots, fat, or air bubbles
Term
The Pleura Consists of what two layers
Definition
1. Parietal pleura
2. Visceral pleura
Term
what fluid Lubricates space between the two layers of the pleura?
Definition
Pleural fluid
Term
pleurisy
Definition
pain and inflammation when pleural fluid is unable to prevent friction between the opposing pleural surfaces
Term
put these in order

1.Secondary bronchus
2.Bronchioles
3.Alveolar ducts
4.Primary bronchus
5.Respiratory bronchiole
6.Alveoli
7.Terminal bronchiole
Definition
a.4, 1, 2, 7, 5, 3, 6
Term
Which lung has more Bronchopulmonary Segments?
Definition
R
Supporting users have an ad free experience!