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Bio 377- Exam 2

32 Questions  I  By Kara.dubiel
Bio 377- exam 2

  
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1.  If dissolved O2 in the vein is 100 m/l, the dissolved O2 in the artery is 200m/l, the O2 used by muscles is 100 mL/min, the O2 absorbed by the lungs is 400 ml/min, then C.O would be :*
A.
B.
C.
D.
E.
2.  An increases in blood flow to metabolically active tissue will cause an increase __________
A.
B.
C.
D.
E.
3.  Hyperventilation would lead to a __________ within the systemix arteries
A.
B.
C.
D.
E.
4.  What type of cell is the precursor for platelets
A.
B.
C.
D.
E.
5.  What blood vessel type has the greatest overall cross sectional area?
A.
B.
C.
D.
E.
6.  Chordae tendinae are strands of cnnective tissue extending from _______ to __________
A.
B.
C.
D.
E.
7.  Given the following information, calculate the net filtration pressure : capillary hydrostatic pressure = 30mm Hg, interstitial fluid hydrostatic pressure= 5 mm Hg, capillary oncotic pressure =25 mm Hg, and interstitial fluid onctonic pressure=10 mm Hg
A.
B.
C.
D.
E.
8.  This heart murmur is heard faintly during systole. It also can occur during a prolapse during which a valve does not close properly. The name of this heart murmur is_________
A.
B.
C.
D.
E.
9.  If a blood vessel contricted to a fourth of its original diameter, and assuming constant pressure, the flow rate of blood would be reduced to about _______ of its original flow rate?
A.
B.
C.
D.
E.
10.  Given that the net filtration of fluid out of teh capillaries averages about 3 liters per day, how is blood volume maintained in light of this apparent fluid loss?
A.
B.
C.
D.
E.
11.  The primar inspiratory muscles are the __________
A.
B.
C.
D.
E.
12.  Respiratory acidosis will result from a __________
A.
B.
C.
D.
E.
13.  Pulmonary edema describes a condition where the upatake of oxygen and unloading of carbon dioxide is reduced as a consequence of a __________
A.
B.
C.
D.
E.
14.  What is the most common lethal inherited disease listed here?
A.
B.
C.
D.
E.
15.  Which of the following substances is secreted by endothelial cells and causes vasodilation
A.
B.
C.
D.
E.
16.  Which of the following is true of teh ventricular filling phase of the cardiac cycle?
A.
B.
C.
D.
E.
17.  Most of the iron used by teh body is found in
A.
B.
C.
D.
E.
18.  If damage to the AV node slowed down conductin through this tisssure, what would be obeserved on an ECG?
A.
B.
C.
D.
E.
19.  As an O2 diffuses from lungs to blood, it passes thru the _____ before going thru the ________
A.
B.
C.
D.
E.
20.  IN regards to surfactant, all of the following are true except:
A.
B.
C.
D.
E.
21.  WHICH of the following will cause a shift in the hemoglobin- oxygen dissociating curve to the right?
A.
B.
C.
D.
E.
22.  Erythrocytes are synthesized in the __________ under the control of ___________
A.
B.
C.
D.
E.
23.  The one below lease likely to lead to edema ia:*
A.
B.
C.
D.
E.
24.  What attribute of veins allos them to function as a mjor reservoir of blood volume
A.
B.
C.
D.
E.
25.  What benefit are corticosteroids in the treatment of asthma?
A.
B.
C.
D.
E.
26.  The __________ carries deoxygeated blood to the lungs.
A.
B.
C.
D.
E.
27.  An incrase in the volume of blood ejected from the heart, with no change in total peripheral resistance, would __________
A.
B.
C.
D.
E.
28.  Vitamin K defiiency is more closely associated with
A.
B.
C.
D.
E.
29.  Vital Capacity=
A.
B.
C.
D.
E.
30.  WHich is the best way to correct a collapses lung after a "Trauma" Pneumothorax?
A.
B.
C.
D.
E.
31.  If ESV=130 mls, heart rate 100 bpm, systolic BP=120 mm Hg, diastolic BP=80 mm Hg, EDV= 70 mls, then C.0=______ liters/min
A.
B.
C.
D.
E.
32.  The ___________ functions primarily as teh region of the lungs where teh majority o fgas exchange occurs.
A.
B.
C.
D.
E.
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