The vagus nerve carries parasympathetic impulses to the ________.

A. lacrimal glands
B. smooth muscle of the eyes
C. thyroid gland
D. thoracic and abdominal viscera
E. salivary glands


Answer: D

Anatomy & Physiology

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Air enters the respiratory passageways when the pressure inside the lungs is lower than the:

blood pressure atmospheric pressure abdominal pressure arterial pressure all of the choices are correct

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The oropharynx is behind the mouth

Indicate whether the statement is true or false.

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One type of skin cancer, which often results in a potentially fatal metastasis, arises in the pigment-producing cells called ________.

Fill in the blank(s) with the appropriate word(s).

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Match the eye structure with the appropriate description.A. Blood vessels enter and the optic nerve exits hereB. A small yellow spot near the center of the posterior retinaC. The portion of the retina with the greatest visual acuityD. A jelly-like substance in the posterior cavity of the eyeE. The fluid that fills the anterior cavity of the eyeFovea centralis

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology