2
BIO 669 Exam 2 with precise detailed
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answers
Thromboangiitis obliterans (Buergers disease) is an autoimmune condition that is:
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a. A result of over activation of the intrinsic and extrinsic clotting system systemically
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b. Characterized by attacks of vasospasm in the small arteries and arterioles of the
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fingers and toes
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c. Strongly associated with smoking
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d. Associated with janeway lesions and Oslers Nodes - Correct answer ✔c. Strongly
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associated with smoking
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Which of the following is not a systemic disease that is associated with Raynaud's
|| || || || || || || || || || || || || ||
Phenomenon?
a. Congestive heart failure
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b. Collagen vascular diseases such as scleroderma
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c. Pulmonary hypertension
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d. Myxedema or smoking - Correct answer ✔a. Congestive Heart Failure
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,2
Which of the following is NOT a primary factor in determining preload?
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a. Venous return during diastole
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b. End systolic volume
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c. Total peripheral (systemic) resistance
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d. All of the above are primary factors of preload - Correct answer ✔c. Total peripheral
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(systemic) resistance ||
Which of the following statements are INCORRECT
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a. The mean arterial pressure is the average force of pushing blood through the
|| || || || || || || || || || || || || ||
systemic circuit. ||
b. The pulse pressure is the difference between systolic and diastolic pressures
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c. A decrease in aortic compliance increases its stiffness and thus can lead to an
|| || || || || || || || || || || || || || ||
increase in pulse pressures
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d. Prostacyclins, which are diminished by NSAIDs, are vasoconstrictors. - Correct answer
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✔d. Prostacyclins, which are diminished by NSAIDS, are vasoconstrictors
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Which of the following is incorrect regarding the isometric contraction phase of the
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cardiac cycle? ||
,2
a. Blood does not flow through the heart at this time.
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b. The atria are contracting
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c. The valves are closed
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d. It occurs during ventricular systole - Correct answer ✔b. The atria are contracting
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The resistance of movement of blood from the left ventricle to the aorta is termed the:
|| || || || || || || || || || || || || || ||
a. Ejection fraction
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b. Compliance
||
c. Preload
||
d. Afterload - Correct answer ✔d. Afterload
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Natriuretic peptides act by:
|| || ||
a. Stimulates secretion of Na+ (and thus decreases urine volume) from the kidneys
|| || || || || || || || || || || ||
b. Stimulated the release of Na+ (thus increases urine volume) from the kidneys
|| || || || || || || || || || || ||
c. Increases vascular smooth muscle contraction (vasoconstriction)
|| || || || || ||
, 2
d. Stimulates increased heart rate, contractility, and cardiac output - Correct answer ✔b.
|| || || || || || || || || || || || ||
Stimulate the release of Na+ (thus increasing urine volume) from the kidneys
|| || || || || || || || || || ||
The double layered serous membrane surrounding the heart that functions to minimize
|| || || || || || || || || || || ||
friction from the heart movement is the:
|| || || || || ||
A. Myocardium
||
B. Endocardium
||
C. Peritoneum
||
D. Pericardium - Correct answer ✔D. Pericardium
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Prinzmetal angina is: || ||
a. A transient ischemia of the myocardium that occurs unpredictably
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b. Myocardial ischemia that may not cause detectable symptoms
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c. Ischemia that occurs after a predictable amount of exercise
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d. The rupture of an unstable plaque - Correct answer ✔a. A transient ischemia of the
|| || || || || || || || || || || || || || || ||
myocardium that occurs unpredictably
|| || ||
Progressive venous distension of the head and upper extremities resulting from growth
|| || || || || || || || || || || ||
of a cancerous tumor on the right mainstem bronchus is best described clinically by:
|| || || || || || || || || || || || ||
BIO 669 Exam 2 with precise detailed
|| || || || || || ||
answers
Thromboangiitis obliterans (Buergers disease) is an autoimmune condition that is:
|| || || || || || || || ||
a. A result of over activation of the intrinsic and extrinsic clotting system systemically
|| || || || || || || || || || || || ||
b. Characterized by attacks of vasospasm in the small arteries and arterioles of the
|| || || || || || || || || || || || || ||
fingers and toes
|| ||
c. Strongly associated with smoking
|| || || ||
d. Associated with janeway lesions and Oslers Nodes - Correct answer ✔c. Strongly
|| || || || || || || || || || || || ||
associated with smoking
|| ||
Which of the following is not a systemic disease that is associated with Raynaud's
|| || || || || || || || || || || || || ||
Phenomenon?
a. Congestive heart failure
|| || ||
b. Collagen vascular diseases such as scleroderma
|| || || || || ||
c. Pulmonary hypertension
|| ||
d. Myxedema or smoking - Correct answer ✔a. Congestive Heart Failure
|| || || || || || || || || ||
,2
Which of the following is NOT a primary factor in determining preload?
|| || || || || || || || || || ||
a. Venous return during diastole
|| || || ||
b. End systolic volume
|| || ||
c. Total peripheral (systemic) resistance
|| || || ||
d. All of the above are primary factors of preload - Correct answer ✔c. Total peripheral
|| || || || || || || || || || || || || || || ||
(systemic) resistance ||
Which of the following statements are INCORRECT
|| || || || || ||
a. The mean arterial pressure is the average force of pushing blood through the
|| || || || || || || || || || || || || ||
systemic circuit. ||
b. The pulse pressure is the difference between systolic and diastolic pressures
|| || || || || || || || || || ||
c. A decrease in aortic compliance increases its stiffness and thus can lead to an
|| || || || || || || || || || || || || || ||
increase in pulse pressures
|| || ||
d. Prostacyclins, which are diminished by NSAIDs, are vasoconstrictors. - Correct answer
|| || || || || || || || || || || ||
✔d. Prostacyclins, which are diminished by NSAIDS, are vasoconstrictors
|| || || || || || || ||
Which of the following is incorrect regarding the isometric contraction phase of the
|| || || || || || || || || || || || ||
cardiac cycle? ||
,2
a. Blood does not flow through the heart at this time.
|| || || || || || || || || ||
b. The atria are contracting
|| || || ||
c. The valves are closed
|| || || ||
d. It occurs during ventricular systole - Correct answer ✔b. The atria are contracting
|| || || || || || || || || || || || ||
The resistance of movement of blood from the left ventricle to the aorta is termed the:
|| || || || || || || || || || || || || || ||
a. Ejection fraction
|| ||
b. Compliance
||
c. Preload
||
d. Afterload - Correct answer ✔d. Afterload
|| || || || || ||
Natriuretic peptides act by:
|| || ||
a. Stimulates secretion of Na+ (and thus decreases urine volume) from the kidneys
|| || || || || || || || || || || ||
b. Stimulated the release of Na+ (thus increases urine volume) from the kidneys
|| || || || || || || || || || || ||
c. Increases vascular smooth muscle contraction (vasoconstriction)
|| || || || || ||
, 2
d. Stimulates increased heart rate, contractility, and cardiac output - Correct answer ✔b.
|| || || || || || || || || || || || ||
Stimulate the release of Na+ (thus increasing urine volume) from the kidneys
|| || || || || || || || || || ||
The double layered serous membrane surrounding the heart that functions to minimize
|| || || || || || || || || || || ||
friction from the heart movement is the:
|| || || || || ||
A. Myocardium
||
B. Endocardium
||
C. Peritoneum
||
D. Pericardium - Correct answer ✔D. Pericardium
|| || || || || ||
Prinzmetal angina is: || ||
a. A transient ischemia of the myocardium that occurs unpredictably
|| || || || || || || || ||
b. Myocardial ischemia that may not cause detectable symptoms
|| || || || || || || ||
c. Ischemia that occurs after a predictable amount of exercise
|| || || || || || || || ||
d. The rupture of an unstable plaque - Correct answer ✔a. A transient ischemia of the
|| || || || || || || || || || || || || || || ||
myocardium that occurs unpredictably
|| || ||
Progressive venous distension of the head and upper extremities resulting from growth
|| || || || || || || || || || || ||
of a cancerous tumor on the right mainstem bronchus is best described clinically by:
|| || || || || || || || || || || || ||
