Which prenatal period lasts from week 9 until birth?
A) Fetal period
B) Pre-embryonic period
C) Embryonic period
D) Gestational period
Answer: A
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Motor units that control skeletal muscles involved with fine motor movements (eye muscles or the hands) have ________ muscle fibers than motor units that control more gross movements (gastrocnemius muscle of the lower leg).
A) more B) the same number of C) fewer
In the reproductive cycle, estrogen _____, whereas progesterone _____
A) ejects milk from the mammary glands; stimulates milk secretion B) inhibits the release of FSH; stimulates the release of FSH C) stimulates uterine wall development; stimulates the uterine lining to become more glandular D) stimulates erection of the clitoris; stimulates the uterine lining to become glandular
According to Laplace's law, the magnitude of the inward-directed collapsing pressure of a spherical bubble is directly proportional to both the surface tension and the radius of the bubble
Indicate whether the statement is true or false
Minute respiratory volume can be computed if one knows ________ and ________
A) expiratory reserve volume; tidal volume B) vital capacity; height C) tidal volume; respiratory rate D) inspiratory capacity; respiratory rate