Which of the following portions of the pharynx is a passage for air only (not food)?

A. Laryngopharynx
B. Sinopharynx
C. Nasopharynx
D. Oropharynx
E. None of the portions of the pharynx is a passageway for only air; all portions transport both air and food.


Answer: C

Anatomy & Physiology

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The molecules that stabilize the cell membrane and prevent it from breaking easily are the:

a. phospholipid molecules b. cholesterol molecules c. protein molecules d. all of the above

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The parafollicular cells of the thyroid gland secrete:

a. Calcitonin b. Epinephrine c. Parathyroid hormone d. Thyroglobulin e. Thyroid stimulating hormone (TSH)

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Define osteon

A) An osteon is the functional unit of spongy bone. B) An osteon is the functional unit of compact bone. C) An osteon is the structural unit of spongy bone. D) An osteon is functional unit of trabecular bone. E) An osteon is the nest that an osteocyte occupies.

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Because all parts of a neuronal cell body have the same threshold, no one synapse on the cell is more important than any other.

Answer the following statement true (T) or false (F)

Anatomy & Physiology