BIOS 255n DeVry Week 4 Midterm Exam
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<strong>BIOS</strong> <strong>255n</strong> <strong>DeVry</strong> <strong>Week</strong> 4 <strong>Midterm</strong> <strong>Exam</strong><br />
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<strong>BIOS</strong> <strong>255n</strong> <strong>DeVry</strong> <strong>Week</strong> 4 <strong>Midterm</strong> <strong>Exam</strong><br />
<strong>BIOS</strong>255<br />
<strong>BIOS</strong> <strong>255n</strong> <strong>DeVry</strong> <strong>Week</strong> 4 <strong>Midterm</strong> <strong>Exam</strong><br />
Question 1. Question : (TCO3) Which of the following is a major function of blood?<br />
o<br />
o<br />
o<br />
o<br />
o<br />
production of enzymes<br />
production of neurotransmitters<br />
transduction of pressure<br />
transportation of heat<br />
contractility<br />
Question 2. Question : (TCO3) Which of the following blood types is a person whose blood cells were<br />
agglutinated by anti-A serum but not by anti-B serum nor by anti-Rh serum<br />
<br />
<br />
<br />
<br />
<br />
B Negative<br />
B positive<br />
negative<br />
positive<br />
A negative<br />
Question 3. Question : (TCO3) Which of the following formed elements in blood only temporarily move through<br />
the blood before they become fixed in the tissues as macrophages?<br />
o<br />
o<br />
o<br />
o<br />
o<br />
erythrocytes<br />
thrombocytes<br />
monocytes<br />
basophils<br />
eosinophils<br />
Question 4. Question : (TCO3) Reduced vitamin B12 absorption from the small intestine due to reduced intrinsic<br />
factor production from the stomach results in a condition called
o<br />
o<br />
o<br />
o<br />
o<br />
hemorrhagic<br />
aplastic anemia<br />
megaloblastic anemia<br />
pernicious anemia<br />
iron deficiency anemia<br />
Question 5. Question : (TCO3) Serum is<br />
o<br />
o<br />
o<br />
o<br />
o<br />
The same as plasma<br />
plasma without the clotting factors<br />
the same as lymph<br />
formed during the first step in blood clotting<br />
pulmonary interstitial fluid<br />
Question 6. Question : (TCO3) Which of the following precursor cells give rise to T-cells?<br />
o<br />
o<br />
o<br />
o<br />
o<br />
myeloid stem cells<br />
meyloblasts<br />
lymphoid stem cells<br />
proerythroblast<br />
megakaryoblast<br />
Question 7. Question : (TCO3) Which of the following opposes the action of thromboxane A2 by inhibiting platelet<br />
adhesion and release?<br />
o<br />
o<br />
o<br />
o<br />
o<br />
heparin<br />
fibrinogen<br />
plasmin<br />
antithrombin<br />
prostacyclin<br />
Question 8. Question : (TCO3) Myeloid stem cells reside in<br />
o<br />
o<br />
o<br />
o<br />
o<br />
the blood<br />
the yellow marrow<br />
the thymus gland<br />
the red marrow<br />
the spleen<br />
Question 9. Question : (TCO1) The tough, inelastic dense connective tissue that surrounds the heart is called<br />
the<br />
o<br />
o<br />
o<br />
o<br />
o<br />
endocardium<br />
pleura<br />
serous pericardium<br />
fibrous pericardium<br />
epicardium
Question 10. Question : (TCO1) During heart transplants, the ______ nerves are severed resulting in a faster<br />
resting heart rate (approximately 100 beats per minute) after the transplant<br />
o<br />
o<br />
o<br />
o<br />
o<br />
glossopharyngeal<br />
cardiac accelerator<br />
vagus<br />
phrenic<br />
cervical spinal<br />
Question 11. Question : (TCO1) Which of the following factors lead to depressed cardiac output?<br />
o<br />
o<br />
o<br />
o<br />
o<br />
acidosis<br />
alkalosis<br />
hypoxia<br />
all of the above<br />
none of the above have any depressive effects on the heart<br />
Question 12. Question : (TCO1) If a person’s resting heart rate is 70 and their resting stroke volume is 60 ml of<br />
blood, then their cardiac output is _______ L/min<br />
o 10<br />
o 4200<br />
o 4.2<br />
o 130<br />
o 1.3<br />
Question 13. Question : (TCO1) The purpose of the foramen ovale during fetal life is to<br />
o<br />
o<br />
o<br />
o<br />
o<br />
have the blood bypass the stomach<br />
have the blood bypass the liver<br />
have the blood bypass the lungs<br />
have the blood bypass the placenta<br />
have the blood bypass the brain<br />
Question 14. Question : (TCO1) Heart murmurs are often heard in individuals with abnormalities in the ____ of<br />
the heart.<br />
o<br />
o<br />
o<br />
o<br />
o<br />
valves<br />
myocardium<br />
SA node<br />
AV node<br />
endocardium<br />
Question 15. Question : (TCO1) Which of the following electrocardiogram (ECG) waves represents ventricular<br />
repolarization?<br />
o<br />
o<br />
o<br />
R wave<br />
Q wave<br />
P wave
o<br />
o<br />
S wave<br />
T wave<br />
Question 16. Question : (TCO1) Which part of the brain contains the cardiovascular center that regulated heart<br />
rate?<br />
o<br />
o<br />
o<br />
o<br />
o<br />
midbrain<br />
cerebrum<br />
medullar oblongata<br />
cerebellum<br />
thalamus<br />
Question 17. Question : (TCO1) Which layer of the heart is comprised of epithelial cells?<br />
o<br />
o<br />
o<br />
o<br />
o<br />
myocardium<br />
epicardium<br />
endocardium<br />
pericardium<br />
serous pericardium<br />
Question 18. Question : (TCO2) Which of the following categories of hypertensive drugs lower blood pressure<br />
by blocking the formation of angtiotensin II, which results in vasodilation and decreased aldosterone secretion?<br />
o<br />
o<br />
o<br />
o<br />
o<br />
diuretics<br />
ACE inhibitors<br />
Beta blockers<br />
calcium channel blockers<br />
anabolic steroids<br />
Question 19. Question : (TCO2) Which of the following categories would an individual with a blood pressure of<br />
145/95 be placed in?<br />
o<br />
o<br />
o<br />
o<br />
o<br />
normal<br />
high normal<br />
prehypertension<br />
stage 1 hypertension<br />
stage 2 hypertension<br />
Question 20. Question : (TCO2) Which of the following effectors would NOT be activated as described below in<br />
response to hypovolemic shock?<br />
o<br />
o<br />
o<br />
o<br />
o<br />
Adrenal cortex releases aldosterone<br />
kidneys conserve salt and water<br />
heart rate increases<br />
systemic arterioles vasodilate<br />
heart contractility increases
Question 21. Question : (TCO2) Which of the following blood vessels have high pulsing blood pressure?<br />
o<br />
o<br />
o<br />
o<br />
o<br />
Carotid artery<br />
internal jugular vein<br />
median cubital vein<br />
inferior vena cava<br />
none of the above<br />
Question 22. Question : (TCO2) During fetal development, the blood from the pulmonary veins are shunted into<br />
the pulmonary arteries by the<br />
o<br />
o<br />
o<br />
o<br />
o<br />
ductus arteriousus<br />
foramen ovale<br />
ductus venosus<br />
placenta<br />
ligamentum arteriosum<br />
Question 23. Question : (TCO2) Most capillaries throughout the body are<br />
o<br />
o<br />
o<br />
o<br />
o<br />
fenestrated capillaries<br />
sinusoids<br />
portal systems<br />
vasoconstrictory throughputs<br />
continuous<br />
Question 24. Question : (TCO2) Capillaries are also referred to as<br />
o<br />
o<br />
o<br />
o<br />
o<br />
exchange vessels<br />
vasoconstrictors<br />
vasodilators<br />
pressure reservoirs<br />
distributing vessels<br />
Question 25. Question : (TCO2) The volume of blood that circulates through the systemic blood vessels in one<br />
minute is called<br />
o<br />
o<br />
o<br />
o<br />
o<br />
stroke volume<br />
tidal volume<br />
cardiac output<br />
cardiac reserve<br />
total peripheral resistance<br />
Question 26. Question : (TCO3) What is the pulse pressure of a person that has a systolic pressure of 150 mm<br />
Hg with a diastolic pressure of 90 mm Hg?<br />
Question 27. Question : (TCO3) Determine the mean arterial pressure for a patient with an average systolic<br />
pressure of 120 mm Hg with a mean diastolic pressure of 60 mm Hg:
Question 28. Question : (TCO3) What is the resting cardiac output (in liters) of an athlete with a stroke volume<br />
of 75 ml and a resting heart rate of 60 beats/minute?<br />
Question 29. Question : (TCO3) The same athlete during exercise has a heart rate of 180 beats/minute with an<br />
increase of stroke volume to 125 ml. What is their cardiac output during exercise?<br />
Question 30. Question : (TCO3) What is the cardiac cycle for a person with a resting heart rate of 80 beats per<br />
minute?<br />
Question 31. Question : (TCO3) What is the name of the blood vessel that supplies the face and head (except<br />
the brain) with oxygenated blood?<br />
Question 32. Question : (TCO3) What is the name of the blood vessel that is the distal extension of the external<br />
iliac artery as it enters the leg?<br />
Question 33. Question : (TCO3) What is the name of the blood vessel that drains deoxygenated blood from the<br />
medial aspect of the forearm?<br />
Question 34. Question : (TCO3) What is the name of the vein that is found behind the kneecap on the posterior<br />
surface of the leg?<br />
Question 35. Question : (TCO3) What is the name of this blood vessel that is highlighted?<br />
Question 36. Question : (TCO3) List and briefly describe the three mechanisms used to reduce blood loss from<br />
a damaged blood vessel.<br />
Question 37. Question : (TCO1) Define arrhythmia and discuss different categories of arrhythmias.<br />
Question 38. Question : (TCO2) What is a portal vein? Describe the hepatic portal circulation and its functional<br />
significance