Which prenatal period lasts from week 9 until birth?

A) Fetal period
B) Pre-embryonic period
C) Embryonic period
D) Gestational period


Answer: A

Anatomy & Physiology

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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

Anatomy & Physiology

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

Anatomy & Physiology

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

Anatomy & Physiology

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

Anatomy & Physiology