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Which of the following states that the greater the stretch of the cardiac muscle cell, the greater
the force of contraction.
A. Bernoulli
B. Frank-Starling
C. Doppler
D. Bernheim
B.
The Frank-Starling law may also be referred to as the:
A. isovolumic contraction relationship
B. force-velocity relationship
C. interval-strength relationship
D. length-tension relationship
D.
The word length in length-tension relationship refers to cardiac:
A. diastasis
B. systole
C. cell stretch
D. diastole
C.
The word tension in length-tension relationship refers to cardiac:
A. diastole
B. contraction
C. cell stretch
D. diastasis
B.
Which of the following terms is defined as the length the cardiac cell is stretched prior to the
next cardiac contraction?
A. preload
B. noload
C. afterload
D. sumload
A.
The pulmonary artery wedge pressure reflects:
A. left atrial pressure
B. pulmonary artery pressure
C. right ventricular pressure
D. right atrial pressure
A.
The central venous pressure reflects the pressure in the:
A. pulmonary artery
B. left ventricle
C. right atrium
D. left atrium
C.
What effect will an increase in preload have on the force of ventricular contraction?
A. no change
B. decrease
C. increase
D. cannot be predicted
C.
All of the following will increase preload of the left heart except:
A. aortic stenosis
B. patent ductus arteriosus
C. aortic regurgitation
D. mitral regurgitation
A.
All of the following conditions will increase right heart preload except:
A. atrial septal defect
B. tricuspid regurgitation
C. ventricular septal defect
D. pulmonary regurgitation
C.
According to Starling's law of the heart, significant mitral regurgitation initially will have which
effect on left ventricular performance?
A. enhance
B. decrease
C. cannot be predicted
D. varies
A.
Author
hoalan
ID
173977
Card Set
2313
Description
4B1
Updated
9/28/2012, 12:42:14 AM
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