BIOS 255n DeVry Week 4 Midterm Exam

BIOS 255n DeVry Week 4 Midterm Exam
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BIOS 255n DeVry Week 4 Midterm Exam
BIOS255
BIOS 255n DeVry Week 4 Midterm Exam
Question 1. Question : (TCO3) Which of the following is a major function of blood?
o
o
o
o
o
production of enzymes
production of neurotransmitters
transduction of pressure
transportation of heat
contractility
Question 2. Question : (TCO3) Which of the following blood types is a person whose blood cells were
agglutinated by anti-A serum but not by anti-B serum nor by anti-Rh serum
B Negative
B positive
negative
positive
A negative
Question 3. Question : (TCO3) Which of the following formed elements in blood only temporarily move through
the blood before they become fixed in the tissues as macrophages?
o
o
o
o
o
erythrocytes
thrombocytes
monocytes
basophils
eosinophils

Question 4. Question : (TCO3) Reduced vitamin B12 absorption from the small intestine due to reduced intrinsic
factor production from the stomach results in a condition called
o
o
o
o
o
hemorrhagic
aplastic anemia
megaloblastic anemia
pernicious anemia
iron deficiency anemia
Question 5. Question : (TCO3) Serum is
o
o
o
o
o
The same as plasma
plasma without the clotting factors
the same as lymph
formed during the first step in blood clotting
pulmonary interstitial fluid
Question 6. Question : (TCO3) Which of the following precursor cells give rise to T-cells?
o
o
o
o
o
myeloid stem cells
meyloblasts
lymphoid stem cells
proerythroblast
megakaryoblast
Question 7. Question : (TCO3) Which of the following opposes the action of thromboxane A2 by inhibiting platelet
adhesion and release?
o
o
o
o
o
heparin
fibrinogen
plasmin
antithrombin
prostacyclin
Question 8. Question : (TCO3) Myeloid stem cells reside in
o
o
o
o
o
the blood
the yellow marrow
the thymus gland
the red marrow
the spleen
Question 9. Question : (TCO1) The tough, inelastic dense connective tissue that surrounds the heart is called
the
o
o
endocardium
pleura

o
o
o
serous pericardium
fibrous pericardium
epicardium
Question 10. Question : (TCO1) During heart transplants, the ______ nerves are severed resulting in a faster
resting heart rate (approximately 100 beats per minute) after the transplant
o
o
o
o
o
glossopharyngeal
cardiac accelerator
vagus
phrenic
cervical spinal
Question 11. Question : (TCO1) Which of the following factors lead to depressed cardiac output?
o
o
o
o
o
acidosis
alkalosis
hypoxia
all of the above
none of the above have any depressive effects on the heart
Question 12. Question : (TCO1) If a person’s resting heart rate is 70 and their resting stroke volume is 60 ml of
blood, then their cardiac output is _______ L/min
o 10
o 4200
o 4.2
o 130
o 1.3
Question 13. Question : (TCO1) The purpose of the foramen ovale during fetal life is to
o
o
o
o
o
have the blood bypass the stomach
have the blood bypass the liver
have the blood bypass the lungs
have the blood bypass the placenta
have the blood bypass the brain
Question 14. Question : (TCO1) Heart murmurs are often heard in individuals with abnormalities in the ____ of
the heart.
o
o
o
o
o
valves
myocardium
SA node
AV node
endocardium

Question 15. Question : (TCO1) Which of the following electrocardiogram (ECG) waves represents ventricular
repolarization?
o
o
o
o
o
R wave
Q wave
P wave
S wave
T wave
Question 16. Question : (TCO1) Which part of the brain contains the cardiovascular center that regulated heart
rate?
o
o
o
o
o
midbrain
cerebrum
medullar oblongata
cerebellum
thalamus
Question 17. Question : (TCO1) Which layer of the heart is comprised of epithelial cells?
o
o
o
o
o
myocardium
epicardium
endocardium
pericardium
serous pericardium
Question 18. Question : (TCO2) Which of the following categories of hypertensive drugs lower blood pressure
by blocking the formation of angtiotensin II, which results in vasodilation and decreased aldosterone secretion?
o
o
o
o
o
diuretics
ACE inhibitors
Beta blockers
calcium channel blockers
anabolic steroids
Question 19. Question : (TCO2) Which of the following categories would an individual with a blood pressure of
145/95 be placed in?
o
o
o
o
o
normal
high normal
prehypertension
stage 1 hypertension
stage 2 hypertension
Question 20. Question : (TCO2) Which of the following effectors would NOT be activated as described below in
response to hypovolemic shock?
o
o
Adrenal cortex releases aldosterone
kidneys conserve salt and water

o
o
o
heart rate increases
systemic arterioles vasodilate
heart contractility increases
Question 21. Question : (TCO2) Which of the following blood vessels have high pulsing blood pressure?
o
o
o
o
o
Carotid artery
internal jugular vein
median cubital vein
inferior vena cava
none of the above
Question 22. Question : (TCO2) During fetal development, the blood from the pulmonary veins are shunted into
the pulmonary arteries by the
o
o
o
o
o
ductus arteriousus
foramen ovale
ductus venosus
placenta
ligamentum arteriosum
Question 23. Question : (TCO2) Most capillaries throughout the body are
o
o
o
o
o
fenestrated capillaries
sinusoids
portal systems
vasoconstrictory throughputs
continuous
Question 24. Question : (TCO2) Capillaries are also referred to as
o
o
o
o
o
exchange vessels
vasoconstrictors
vasodilators
pressure reservoirs
distributing vessels
Question 25. Question : (TCO2) The volume of blood that circulates through the systemic blood vessels in one
minute is called
o
o
o
o
o
stroke volume
tidal volume
cardiac output
cardiac reserve
total peripheral resistance

Question 26. Question : (TCO3) What is the pulse pressure of a person that has a systolic pressure of 150 mm
Hg with a diastolic pressure of 90 mm Hg?
Question 27. Question : (TCO3) Determine the mean arterial pressure for a patient with an average systolic
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
of 75 ml and a resting heart rate of 60 beats/minute?
Question 29. Question : (TCO3) The same athlete during exercise has a heart rate of 180 beats/minute with an
increase of stroke volume to 125 ml. What is their cardiac output during exercise?
Question 30. Question : (TCO3) What is the cardiac cycle for a person with a resting heart rate of 80 beats per
minute?
Question 31. Question : (TCO3) What is the name of the blood vessel that supplies the face and head (except
the brain) with oxygenated blood?
Question 32. Question : (TCO3) What is the name of the blood vessel that is the distal extension of the external
iliac artery as it enters the leg?
Question 33. Question : (TCO3) What is the name of the blood vessel that drains deoxygenated blood from the
medial aspect of the forearm?
Question 34. Question : (TCO3) What is the name of the vein that is found behind the kneecap on the posterior
surface of the leg?
Question 35. Question : (TCO3) What is the name of this blood vessel that is highlighted?
Question 36. Question : (TCO3) List and briefly describe the three mechanisms used to reduce blood loss from
a damaged blood vessel.
Question 37. Question : (TCO1) Define arrhythmia and discuss different categories of arrhythmias.
Question 38. Question : (TCO2) What is a portal vein? Describe the hepatic portal circulation and its functional
significance