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BIO 669 Exam 2 Questions and Answers (Latest Update 2024)
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BIO 669 Exam 2 Questions and Answers (Latest Update 2024)
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BIO 669 Exam 2 Questions and Answers(Latest Update 2024) Verified 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
,BIO 669 Exam 2 Questions and Answers
(Latest Update 2024) Verified Answers
d. Myxedema or smoking - Correct Answer ✅a. Congestive
Heart Failure
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
,BIO 669 Exam 2 Questions and Answers
(Latest Update 2024) Verified Answers
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?
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
, BIO 669 Exam 2 Questions and Answers
(Latest Update 2024) Verified Answers
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)
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:
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