Which of the following is not one of the three main factors influencing stroke volume?
A. Afterload
B. Chronotropic agents
C. Inotropic agents
D. Venous return
B
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Aplastic anemia can be caused by
a. severe hemorrhage b. damage to blood forming elements in the bone marrow c. a lack of vitamin B12 d. an inherited condition resulting in the formation of abnormal hemoglobin
A wild cat can be captured using a rabies pole
Indicate whether the statement is true or false
Which of the following factors would produce the greatest change in blood flow?
a. Doubling the radius of the vessel b. Doubling the difference in the pressure gradient within the vessel c. Doubling the viscosity of the blood d. Doubling the length of the vessel e. Halving the viscosity of the blood
The action of the gracilis is to .
a. medially rotate the thigh b. flex the knee and adduct the thigh c. extend the knee and abduct the thigh