BIOL 235 Final Exam Questions And Answers Latest Top Score.
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Course
BIOL 235
Institution
BIOL 235
BIOL 235 Final Exam Questions And Answers Latest Top Score.
Erythrocytes contain the enzyme - correct answer. carbonic anhydrase
carbonic anhydrase catalyzes - correct answer. the conversion of metabolically produced C)2 and water into carbonic acid
fixed phagocytic macroph...
BIOL 235 Final Exam Questions And
Answers Latest Top Score.
Erythrocytes contain the enzyme - correct answer. carbonic anhydrase
carbonic anhydrase catalyzes - correct answer. the conversion of metabolically
produced C)2 and water into carbonic acid
fixed phagocytic macrophages - correct answer. remove most old erythrocytes from
circulation
Location of fixed phagocytic macrophages - correct answer. narrow capillaries of the
spleen
Undifferentiated cells called pluripotent stem cells reside - correct answer. in the bone
marrow
pluripotent stem cells - correct answer. continuously divide and develop myeloid stem
cells and lymphoid stem cells to give rise to each of the types of blood cells
emigration or diapedesis - correct answer. The process of leukocytes squeezing
through the capillary endothelium to exit the vasculature
agglutinins - correct answer. genetically-determined glycoprotein and glycolipid
antigens found on the surface of an erythrocyte
ESV - correct answer. volume of blood in the ventricle after ejection has been
completed
Increase in ESV when - correct answer. stroke volume is decreased
Three cations with important effect on heart function - correct answer. K+, Ca2+, and
Na+
,Increased blood levels of NA+ - correct answer. blocks Ca2+ inflow and decreases
force of contraction
Excess in K+ - correct answer. blocks generation of action potentials
pharynx - correct answer. serves as a sound resonating chamber, contains tonsils,
directs air flow inferiorly
larynx - correct answer. passes air form pharynx into windpipe, site of sound
production
paranasal sinuses - correct answer. resonates sound, not part of the pharynx
fauces - correct answer. opening from oral cavity into pharynx
tertiary bronchus - correct answer. carries air to a segment of a lung
terminal bronchiole - correct answer. carries air directly into a respiratory bronchiole
pleural membranes - correct answer. surround the lungs
surfactant - correct answer. reduces surface tension at sites of gas exchange
alveoli - correct answer. actual sites of gas exchange
eupnea - correct answer. normal, quiet breathing
costal breathing - correct answer. shallow breathing using just the external intercostal
muscles
compliance - correct answer. amount of effort required to expand the lungs and chest
wall
inspiratory capacity - correct answer. tidal volume + inspiratory reserve volume,
usually about 3600 mL in males
vital capacity - correct answer. tidal volume + inspiratory reserve volume + expiratory
reserve volume; usually about 4800 mL in males
functional residual capacity - correct answer. residual volume + expiratory reserve
volume; usually about 2400 mL in males
Henry's law - correct answer. states that the amount of gas that will dissolve in a liquid
is proportional to the partial pressure of that gas and its solubility
,Bohr effect - correct answer. when pH decreases, O2 saturation of hemoglobin
decreases
Dalton's law - correct answer. each gas in a mixture of gases exerts its own partial
pressure
medulla oblongata - correct answer. sets basic rhythm of breathing
pons - correct answer. includes the pontine respiratory group
Blood is - correct answer. a connective tissue that consists of blood plasma (liquid)
plus formed elements (red blood cells, white blood cells, and platelets)
Whole blood - correct answer. blood plasma and formed elements
Blood plasma - correct answer. proteins, water, other solutes
Platelet - correct answer. fragment of megakaryocyte that is enclosed by a piece of
plasma membrane
Platelet plug - correct answer. can stop blood loss completely if the hole in a blood
vessel is small enough
Hemostasis - correct answer. sequence of responses that stops bleeding, vascular
spasm, platelet plug formation, blood clotting
Blood clot - correct answer. gel that contains formed elements of the blood entangled
in fibrin threads
In blood clotting - correct answer. coagulation factors are activated in sequence,
resulting in a cascade of reactions that includes positive feedback cycles
Extrinsic pathway of blood clotting - correct answer. fewer steps, thromboplastic leaks
into the blood from cells outside (extrinsic to) blood vessels and initiates the formation of
prothrombinase
Intrinsic pathway of blood clotting - correct answer. more complex, occurs more
slowly, activators are in direct contact with blood or contained within (intrinsic to) the
blood. Outside tissue damage is not needed.
Common pathway - correct answer. formation of prothrombinase marks the beginning
of the____
In an incompatible blood transfusion - correct answer. antibodies in the recipient's
plasma bind to the antigens on the donated RBCs which causes agglutination
(clumping)
Antibodies in your plasma don't react with - correct answer. antigens on your red
blood cells
HDN - correct answer. occurs when maternal anti-Rh antibodies cross the placenta
and cause hemolysis of fetal RBC
ABO blood typing - correct answer. blood is mixed with anti-A and anti-B serum
The heart is located in - correct answer. the mediastinum
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