What kind of a pump is the heart?
a. ventricular pump
b. bicuspid pump
c. quadruple pump
d. double (dual) pump
e. single pump
d
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The __________ disc contains no receptor cells for vision and produces a blind spot in the visual field of each eye.
Fill in the blank(s) with the appropriate word(s).
Two parts of the small intestine that the majority of absorption occurs in
What will be an ideal response?
Which of the following events occurs last?
A. IP3 stimulates Ca2+ release from the endoplasmic reticulum.
B. Ca2+ binds with calmodulin.
C. IP3 (inositol triphosphate) is produced.
D. Epinephrine combines with membrane-bound receptor on smooth muscle cell.
E. Calmodulin binds to the enzyme that phosphorylates myosin and cross-bridges form.
Which procedure can be performed earlier in pregnancy but involves a higher risk of spontaneous abortion?
A. Chorionic villi sampling (CVS) B. Amniocentesis