Chapter 10 Review Questions Flashcards
(30 cards)
Which of the following is a common end point for various cardiac pathologies?
a. congestive heart failure
b. myocardial infarction
c. ventral septal defect
d. neurohumoral activation
congestive heart failure
Which mechanism is most likely to cause an increase in intraventricular pressure?
a. conduction disorder
b. obstruction of flow
c. regurgitant flow
d. rupture of a great vessel
obstruction of flow
Increased stroke volume that is produced in response to overstitching cardiac muscle tissue is termed _________
a. congenital heart failure
b. neurohumoral activation
c. frank-starling mechanism
d. purkinje neurofascilitation
frank-starling mechanism
Systemic hypertension will cause _______ thickening of the left ventricular wall with reduced lumen size
a. concentric
b. eccentric
concentric
What is the most common cause of left-sided cardiac failure?
a. aortic valve stenosis
b. physiologic hypertrophy
c. weight lifting
d. ischemic heart disease
ischemic heart disease
Right sided heart failure resulting from PULMONARY HYERTENSION is termed
a. angina pectoris
b. bradycardia
c. cor pulmonale
d. tachycardia
cor pulmonale
Congenital heart disease accounts for _______ of all birth defects
a. 2%
b. 30%
c. 75%
d. 90%
30%
Which of the following is LEAST likely to interfere with cardiac embryogenesis?
a. maternal diabetes
b. fetal chromosomal abnormalities (teratogens)
c. maternal hypertension
d. fetal rubella infection
maternal hypertension
90% of cause is UNKNOWN
Shunting of blood from the _________ is most likely to result in cyanosis
a. left-to-right ventricle
b. right-to-left ventricle
right-to-left ventricle
Which pattern of aortic coarctation is most likely to have a patent ductus arterioles?
a. infantile (preductal)
b. adult (post ductal)
infantile (preductal)
What percentage of al cases of ischemic heart disease are associated with the presence of coronary artery atherosclerosis?
a. 3%
b. 25%
c. 75%
d. 90%
90%
Anginal symptoms typically begin when there is obstruction of greater than ______ of a coronary artery
a. 5%
b. 20%
c. 70%
d. 90%
70%
Which 2 of the following are vulnerable laboratory markers to diagnose a myocardial infarction (heart attack)?
a. inflammasom
b. cardiac troponins
c. cardiac-specific lysosomes
d. creatine kinase
cardiac troponins
creatine kinase
The symptoms associated with myocardial infarction are commonly received by nitroglycerin and rest
a. true
b. false
false
unrelieved by nitro
Patients experiencing an acute myocardial infarction will commonly demonstrate a rapid and scarcely palpable pulse
a. true
b. false
true
Failure of a cardiac valve to open completely is termed ______
a. cor pulmonale
b. insufficiency
c. stenosis
d. thrills
stenosis
Failure of a cardiac value to close completely is termed ________
a. cor pulmonale
b. insufficiency
c. stenosis
d. thrills
insufficiency
Which of the follows is most likely to cause ACUTE cor pulmonale?
a. deep vein thrombosis
b. kawasaki disease
c. mitral valve stenosis
d. pulmonary embolism
pulmonary embolism
Calciific aortic stenosis commonly causes eccentric cardiac hypertrophy
a. true
b. false
true
Acute endocarditis involves a _______ heart valve
a. previously normal
b. previously abnormal
previously NORMAL
Subacute endocarditis involves a ________ heart valve
a. previously normal
b. previously abnormal
previously ABNORMAL
When acute rheumatic fever develops within adults, _______ is the predominant clinical feature
a. arthritis
b. carditis
c. weakness
d. dyspnea
carditis (inflammation)
Which of the following is most likely to result following the development of friable mitral valve vegetation?
a. deep vein thrombosis
b. pulmonary embolism
c. systemic embolism
d. right ventricular hypertrophy
systemic embolism
Dilated cardiomyopathy commonly involves an increase ________ of up to 3 times
a. stroke volume
b. diameter of the right ventricular wall
c. weight
d. diameter of the left ventricular wall
weight
