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Biology 101
exam 2 review
65
Biology
Undergraduate 3
03/17/2013

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Term
ABO blood system
Definition
presence or absence of Type A & Type B antigens
Term
Type A blood
Definition
presence of A-antigens, makes anti-B antigens
Term
Type B blood
Definition
presence of B-antigens, makes anti-A antigens
Term
Type AB blood
Definition
presence of A + B antigens, makes no antigens
Term
Type O blood
Definition

absence of A + B antigens, makes anti-A &

anti-B antibodies

Term
Rh blood system
Definition
presence or absence of Rh antigens
Term
Rh + (Rh positive)
Definition
presence of Rh antigens
Term
Rh - (Rh negative)
Definition
absence of Rh antigens, makes Rh antibodies
Term
arteries (arterioles)
Definition
carry blood away from heart to capillaries
Term
capillaries
Definition
exchange of material tissues
Term
veins (venules)
Definition
return blood from capillaries to heart
Term
pulmonary circuit
Definition
circulates blood through lungs
Term
systemic circuit
Definition
takes blood from left ventricle to the body and back to the right atrium
Term
cardiac cycle
Definition

each heart beat

two atriums contract, two ventricles contract, all chambers relax

Term
"lub-dub"
Definition

lub- atrioventricular valves closing

dub- semilunar valve closing

Term
heart murmur
Definition
faulty bicuspid valve
Term
p wave
Definition
SA node
Term
qrs wave
Definition
AV node
Term
t wave
Definition
ventricles recovering
Term
blood pressure
Definition
pressure of blood against wall of blood vessel
Term
systolic pressure
Definition
highest pressure, ventricles contract
Term
diastolic pressure
Definition
lowest pressure, ventricles relaxing
Term
hypertension
Definition
high blood pressure
Term
atherosclerosis
Definition
accumulation of plaque in arterial linings
Term
stroke
Definition
portion of brain dies due to lack of oxygen
Term
heart attack
Definition
portion of heart muscle dies due to lack of oxygen
Term
aneurysm
Definition
ballooning of a blood vessel
Term
dissolve clot
Definition
use biotechnology drug (t-PA)
Term
coronary bypass
Definition
use blood vessel to bypass clogged area
Term
angioplasty
Definition
inflate balloon forcing vessel open
Term
B-cells
Definition
antibodies, "free" antigen, differentiate into plasma & memory B cells
Term
T-cells
Definition
cell-mediated immunity, "captured" antigen, differentiate into cytotoxic & memory T cells
Term
nonspecific defense
Definition
effective against types of infectious agents, general defense
Term
specific defense
Definition
distinguish between self & non-self cells by antigen markers
Term
immunization
Definition
increase immunity against a specific defense (vaccine)
Term
allergy
Definition
immune response to normally harmless substance (antihistamines)
Term
passive immunity (temporary)
Definition
transferred from one person to another
Term
autoimmune disease
Definition
immune system makes cells that respond to antigens, destroy own cells (multiple sclerosis, type 1 diabetes)
Term
immune deficiency disorder
Definition
inhibit all or part of immune system (AIDS, SCIDS)
Term
modes of transmission
Definition
direct contact, indirect contact, vector-borne transmission, ingestion, airborne
Term
breathing (pulmonary ventilation)
Definition
inspiration (in) & expiration (out)
Term
external respiration
Definition
gas exchange: air to blood (in lungs)
Term
internal respiration
Definition
gas exchange: blood to cells (in body tissues)
Term
cellular respiration
Definition
makes ATP with mitochondria cells
Term
upper respiratory tract
Definition
from larynx up
Term
lower respiratory tract
Definition
from larynx down
Term
inspiration (inhalation)
Definition
controlled by respiratory centers in brain, active phase, air rushes in
Term
expiration (exhalation)
Definition
respiratory center stops sending signals, passive phase, air pushed out
Term
tidal volume
Definition
amount of air that moves in & out with each breath
Term
vital capacity
Definition
maximum amount of air that can be moved out
Term
inspiratory reserve volume (inspiration)
Definition
increased by expanding chest
Term
expiratory reserve volume (expiration)
Definition
contract abdominal & thoracic muscles
Term
residual volume
Definition
air remaining in the lungs after deep exhalation
Term
gas exchange
Definition
critical to maintain homeostasis/ diffusion- determines direction of gas exchange
Term
upper respiratory infection
Definition
viral or bacterial, nasal cavity to larynx (strep throat, sinusitis, tonsillitis)
Term
lower respiratory infection
Definition
viral or bacterial, trachea down (cough, mucous, fever)
Term
restrictive pulmonary disorder
Definition
decrease vital capacity, loss of lung elasticity (pulmonary fibrosis)
Term
obstructive pulmonary disorder
Definition
air doesn't flow freely in airways (chronic bronchitis, emphysema, asthma)
Term
lung cancer
Definition
tumors in lungs, caused by smoking
Term
viruses
Definition
acellular particles, use other organisms to replicate (AIDS-direct contact)
Term
prion
Definition
acellular infectious protein particle (spongiform encephalopathies- mad cow diesease)
Term
bacteria
Definition
made of prokayotic cells, DNA by no nucleus (gonorrhea- direct contact)
Term
fungi
Definition
made of eukaryotic cells, single or multiple (yeast- direct contact)
Term
protozoan
Definition
mostly single celled organisms, eukaryotic cells (malaria: vector-borne transmission)
Term
animals
Definition
multi-celled organisms, eukaryotic cells (public lice (crabs), parasitic roundworms (trichinosis))
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