Which endocrine gland is tiny, yellow-brown in color, and arranged in thick, branching cords?
A. pituitary gland
B. parathyroid gland
C. thyroid gland
D. pineal gland
Answer: B. parathyroid gland
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Accommodation of the lens occurs when
A. ciliary muscles contract. B. the ciliary body moves closer to the lens. C. parasympathetic axons stimulate the ciliary muscles. D. the lens becomes more spherical. E. All of the choices are correct.
Which of the following is not a means by which viruses can lead to cellular damage or death?
a. release by the virus of enzymes or toxins that physically injure or disrupt affected cells b. depletion of essential cellular components by the virus c. cellular production of substances toxic to the cell under the dictatorship of the virus d. transformation of normal host cells into cancer cells e. incorporation of the virus into the cell so that the body's own defense mechanisms no longer recognize the cell as part of "normal self" and destroy it
Which hormone dramatically affects physical appearance?
A) gonadotropin-releasing hormone B) growth C) steroid D) male and female