BIO 669 Exam 2 Questions And Answers | Updated Solutions | 100% Correct Answers

BIO 669 Exam 2 Questions And Answers | Updated Solutions | 100% Correct Answers

Thromboangiitis obliterans or Buergers disease is an autoimmune disease that can be
described as:
a. Caused by 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 - ANS 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 - 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 - 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. - ANSWER d.
Prostacyclins, which are diminished by NSAIDS, are vasoconstrictors
The following is incorrect regarding which of the following phases 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
The resistance of the 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

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