Which of the following would be caused by a contraction of smooth muscle?
A. Goose bumps
B. Deep inspiration
C. Blood leaving the left ventricle of the heart
D. Blinking the eyelids
E. Elevating the eyebrows
Answer: A
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Which of the following are called adenoids when they become swollen?
a. palatine tonsils b. lingual tonsils c. pharyngeal tonsils d. lymph nodes of the neck
Potassium ions are ________ that are highly concentrated in the ________ fluid.
A. cations; extracellular B. anions; extracellular C. cations; intracellular D. anions; intracellular
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 eyeAqueous humor
Fill in the blank(s) with the appropriate word(s).
Germinative cells
A) start in the superficial layers of epithelial tissue. B) cannot divide in the deep layers of epithelial tissue. C) make up most of the epithelial type of tissue. D) divide continually to produce new epithelial cells. E) cannot function in the repair of epithelial tissue.