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BIOL 235 Final Exam Questions And Answers Latest Top Score.

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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...

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  • October 16, 2024
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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

Blood plasma proteins - correct answer. albumins (54%), globulins (36%), fibrinogens
(7%)

Formed elements - correct answer. red blood cells, white blood cells, platelets

Blood cell production - correct answer. hemopoesis, mainly occurs in red bone
marrow after birth

Reticulocyte - correct answer. from proerythrocyte, ejects nucleus

Average lifespan of an erythrocyte - correct answer. 120 days

Rate of RBC formation by red blood cells - correct answer. equals the rate of RBC
destruction by macrophages

Emigration or diapedesis is - correct answer. the process by which phagocytic cells
leave blood vessels

WBCs use to destroy pathogens - correct answer. lysozyme, defensins, and certain
anions

Neutrophils - correct answer. are usually the first and most numerous responders to
an infection

Macrophages - correct answer. react more slowly to an infection than neutrophils do

Pluripotent stem cells are derived from - correct answer. mesenchyme

, Megakaryoblasts - correct answer. platelet precursor cells, develop into
megakaryocytes

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.

clotting pathway - correct answer. Prothrombinase - prothrombin - thrombin - soluble
fibrinogen - insoluble fibrin - threads of clot

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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