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BIO 669 Exam 2 Questions and Answers (100% Pass)
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BIO 669 Exam 2 Questions and Answers (100% Pass)
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©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Tuesday, July 30, 2024 12:01 AMBIO 669 Exam 2 Questions and Answers (100% Pass)
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 - ✔️✔️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 - ✔️✔️a. Congestive Heart Failure
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,©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Tuesday, July 30, 2024 12:01 AM
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 - ✔️✔️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. - ✔️✔️d.
Prostacyclins, which are diminished by NSAIDS, are vasoconstrictors
Which of the following is incorrect regarding the isometric contraction phase of the
cardiac cycle?
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,©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Tuesday, July 30, 2024 12:01 AM
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 - ✔️✔️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 - ✔️✔️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
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, ©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Tuesday, July 30, 2024 12:01 AM
c. Increases vascular smooth muscle contraction (vasoconstriction)
d. Stimulates increased heart rate, contractility, and cardiac output - ✔️✔️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 - ✔️✔️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
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