Bio 669 Quiz 4 (Cardiovascular) Questions with Correct Answers 100% Verified and Graded A+
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Course
Bio 669
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Bio 669
Bio 669 Quiz 4 (Cardiovascular) Questions with Correct Answers 100% Verified and Graded A+
Which of the following conditions is the most immediately at risk for serious complications? - Correct Answer STEMI
Thromboangitis Obliterans (Buerger's disease) is an autoimmune condition that is: - Corr...
Bio 669 Quiz 4 (Cardiovascular) Questions with Correct
Answers 100% Verified and Graded A+
Which of the following conditions is the most immediately at risk for serious
complications? - Correct Answer STEMI
Thromboangitis Obliterans (Buerger's disease) is an autoimmune condition that is: -
Correct Answer Strongly associated with smoking
Which of the following is not a systemic disease that is associated with Raynaud's
phenomenon? - Correct Answer Congestive heart failure
Rheumatic fever and, and subsequent heart complications in 10% of individuals is left
untreated arises from: - Correct Answer Group A beta-hemolytic strep pharyngitis
Which of the following is not a primary factor in determining preload? - Correct Answer
Total peripheral (systemic) resistance
Which of the following statements is incorrect? - Correct Answer Prostacyclins, which
are diminished by NSAIDs, are vasoconstrictors
Which of the following is incorrect regarding the isometric contraction phase of the
cardiac cycle? - Correct Answer The atria are contracting
The resistance of movement of blood from the left ventricle to the aorta is termed the: -
Correct Answer afterload
Natriuretic peptides act by: - Correct Answer Stimulate the release of Na+ (thus
increases urine volume) from the kidneys
The doubled layer serous membrane surrounding the heart that functions to minimize
friction from the heart movement is the: - Correct Answer Pericardium
Prinzmetal angina is - Correct Answer A transient ischemia of the myocardium that
occurs unpredictably
Progressive venous distention of the head and upper extremities resulting from growth
of a cancerous tumor on the right mainstem bronchus is best described clinically as: -
Correct Answer Superior vena cava syndrome
The most common cause of aneurysm is: - Correct Answer Atherosclerosis with
hypertension
An atherosclerotic area that has ruptured is termed - Correct Answer Complicated
plaque
, The PR interval represents the time from: - Correct Answer The onset of atrial systole to
the onset of ventricular systole
The circumflex artery off of the left coronary artery - Correct Answer left atrium and
ventricle
The structure that connect the leaflet/cusps and help to prevent prolapse of the AV
valves is the - Correct Answer Chordae tendinae and papillary muscles
A mitral valve prolapse would be heard during - Correct Answer ventricular systole
Hypertensive crisis (malignant hypertension) is best defined as: - Correct Answer
Rapidly progressive hypertension with a diastolic pressure of 140 mmHg or more
intermittent claudication is - Correct Answer A sign of peripheral artery disease
A patient presents with fever, diffuse microemboli presenting as petechial lesions,
painful lesions on the fingertips and what looks like non-tender bruising on both hands is
most indicative of which disease process? - Correct Answer Infective endocarditis
Stroke volume: - Correct Answer None of the above are true
T wave relates to _______ and shortly precedes the closure of the ______ valves -
Correct Answer Ventricular repolarization; SL
How much of the oxygen carried by hemoglobin in the blood is actually transferred to
the myocardium? - Correct Answer 70-75%
The key regulator determining if a muscle, such as cardiac muscle, contracts or not is
the presence of: - Correct Answer Ca++
Myocardial hibernation is best described as: - Correct Answer Myocardial cells that are
persistently ischemic and undergo metabolic adaptation to prolong survival
A thrombus is a blood clot that remains attached to a vessel wall. Which of the following
is not one of the main factors as proposed by Virchow? - Correct Answer Obesity
A 12-year-old boy presenting with complaints of fever, pink macular rash on the trunk
and finding of diastolic murmur on the exam should be investigated for possible: -
Correct Answer Rheumatic fever
The decreased or inability to generate action potential due to hyperpolarization or
continued closure of inactivation gates is termed: - Correct Answer Refractory period
All of the following antihypertensive agents would be appropriate first line treatments
except: - Correct Answer Beta blockers
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