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Bio 669 Quiz 4 (Cardiovascular) Questions and answers | Updated 2024/25 RATED A+
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Bio 669 Quiz 4 (Cardiovascular) Questions and answers | Updated 2024/25 RATED A+
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Bio 669 Quiz 4 (Cardiovascular)Questions and answers | Updated
2024/25 RATED A+
Which of the following conditions is the most immediately at risk for serious complications?
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- STEMI
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Thromboangitis Obliterans (Buerger's disease) is an autoimmune condition that is: -
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Strongly associated with smoking
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Which of the following is not a systemic disease that is associated with Raynaud's
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phenomenon? - Congestive heart failure
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Rheumatic fever and, and subsequent heart complications in 10% of individuals is left
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untreated arises from: - Group A beta-hemolytic strep pharyngitis
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Which of the following is not a primary factor in determining preload? - Total peripheral
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(systemic) resistance
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Which of the following statements is incorrect? - Prostacyclins, which are diminished by
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NSAIDs, are vasoconstrictors
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Which of the following is incorrect regarding the isometric contraction phase of the cardiac
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cycle? - The atria are contracting
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The resistance of movement of blood from the left ventricle to the aorta is termed the: -
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afterload
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Natriuretic peptides act by: - Stimulate the release of Na+ (thus increases urine volume)
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from the kidneys
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The doubled layer serous membrane surrounding the heart that functions to minimize
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friction from the heart movement is the: - Pericardium
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ii Prinzmetal angina is - A transient ischemia of the myocardium that occurs unpredictably
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Progressive venous distention of the head and upper extremities resulting from growth of a
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cancerous tumor on the right mainstem bronchus is best described clinically as: -
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Superior vena cava syndrome
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ii The most common cause of aneurysm is: - Atherosclerosis with hypertension
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ii An atherosclerotic area that has ruptured is termed - Complicated plaque
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, The PR interval represents the time from: - The onset of atrial systole to the onset of
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ventricular systole
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ii The circumflex artery off of the left coronary artery - left atrium and ventricle
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The structure that connect the leaflet/cusps and help to prevent prolapse of the AV valves
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is the - Chordae tendinae and papillary muscles
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ii A mitral valve prolapse would be heard during - ventricular systole
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Hypertensive crisis (malignant hypertension) is best defined as: - Rapidly progressive
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hypertension with a diastolic pressure of 140 mmHg or more
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ii intermittent claudication is - A sign of peripheral artery disease ii ii ii ii ii ii ii ii ii ii ii
A patient presents with fever, diffuse microemboli presenting as petechial lesions, painful
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lesions on the fingertips and what looks like non-tender bruising on both hands is most
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indicative of which disease process? - Infective endocarditis
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ii Stroke volume: - None of the above are true
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T wave relates to _______ and shortly precedes the closure of the ______ valves -
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Ventricular repolarization; SL
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How much of the oxygen carried by hemoglobin in the blood is actually transferred to the
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myocardium? - 70-75%
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The key regulator determining if a muscle, such as cardiac muscle, contracts or not is the
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presence of: - Ca++
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Myocardial hibernation is best described as: - Myocardial cells that are persistently
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ischemic and undergo metabolic adaptation to prolong survival
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A thrombus is a blood clot that remains attached to a vessel wall. Which of the following is
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not one of the main factors as proposed by Virchow? - Obesity
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A 12-year-old boy presenting with complaints of fever, pink macular rash on the trunk and
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finding of diastolic murmur on the exam should be investigated for possible: - Rheumatic
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fever
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The decreased or inability to generate action potential due to hyperpolarization or
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continued closure of inactivation gates is termed: - Refractory period
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All of the following antihypertensive agents would be appropriate first line treatments
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except: - Beta blockers
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