BIO 669 Exam 3 Questions with 100% Verified Answers
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Question: 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
Answer:
c. Strongly associated with smoking
Question: 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
Answer:
a. Congestive Heart Failure
Question: 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
Answer:
c. Total peripheral (systemic) resistance
Question: 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.
Answer:
d. Prostacyclins, which are diminished by NSAIDS, are vasoconstrictors
,Question: Which of the following is incorrect regarding the isometric contraction phase of
the cardiac cycle?
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
Answer:
b. The atria are contracting
Question: 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
Answer:
d. Afterload
Question: 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)
d. Stimulates increased heart rate, contractility, and cardiac output
Answer:
b. Stimulate the release of Na+ (thus increasing urine volume) from the kidneys
Question: 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
Answer:
D. Pericardium
Question: 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
Answer:
a. A transient ischemia of the myocardium that occurs unpredictably
Question: 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:
A. Deep vein thrombosis
B. Spinal shock
C. Superior vena cava syndrome
D. Carcinoid syndrome
Answer:
C. Superior Vena Cava Syndrome
Question: The most common cause of aneurysm is:
A. External Hematoma
B. Atherosclerosis with hypertension
C. Genetics
D. Congestive heart failure
Answer:
B. Atherosclerosis with hypertension
Question: An atherosclerotic area that has ruptured is termed a:
A. Fibrous plaque
B. Complicated plaque
C. Fatty streak
D. Aneurysm
Answer:
B. Complicated plaque
Question: The PR Interval represents the time from:
A. The onset of atrial systole to the completion of atrial diastole
B. The onset of atrial systole to the onset of ventricular diastole
C. The onset of atrial systole to the onset of ventricular diastole
D. The onset of atrial systole to the onset of ventricular systole
Answer:
D. The onset of atrial systole to the onset of ventricular systole
Question: The circumflex artery off of the left coronary artery:
Latest Update
Question: 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
Answer:
c. Strongly associated with smoking
Question: 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
Answer:
a. Congestive Heart Failure
Question: 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
Answer:
c. Total peripheral (systemic) resistance
Question: 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.
Answer:
d. Prostacyclins, which are diminished by NSAIDS, are vasoconstrictors
,Question: Which of the following is incorrect regarding the isometric contraction phase of
the cardiac cycle?
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
Answer:
b. The atria are contracting
Question: 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
Answer:
d. Afterload
Question: 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)
d. Stimulates increased heart rate, contractility, and cardiac output
Answer:
b. Stimulate the release of Na+ (thus increasing urine volume) from the kidneys
Question: 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
Answer:
D. Pericardium
Question: 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
Answer:
a. A transient ischemia of the myocardium that occurs unpredictably
Question: 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:
A. Deep vein thrombosis
B. Spinal shock
C. Superior vena cava syndrome
D. Carcinoid syndrome
Answer:
C. Superior Vena Cava Syndrome
Question: The most common cause of aneurysm is:
A. External Hematoma
B. Atherosclerosis with hypertension
C. Genetics
D. Congestive heart failure
Answer:
B. Atherosclerosis with hypertension
Question: An atherosclerotic area that has ruptured is termed a:
A. Fibrous plaque
B. Complicated plaque
C. Fatty streak
D. Aneurysm
Answer:
B. Complicated plaque
Question: The PR Interval represents the time from:
A. The onset of atrial systole to the completion of atrial diastole
B. The onset of atrial systole to the onset of ventricular diastole
C. The onset of atrial systole to the onset of ventricular diastole
D. The onset of atrial systole to the onset of ventricular systole
Answer:
D. The onset of atrial systole to the onset of ventricular systole
Question: The circumflex artery off of the left coronary artery:
