A gland produces a watery secretion that contains solutes. The secretion also contains a substantial amount of phospholipid. The type of secretory process for this gland is probably ________.
A. holocrine
B. merocrine
C. endocrine
D. a combination of merocrine and apocrine.
E. apocrine
Answer: D
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Which of the following statements is true?
a. The only physiological function for which surface-area-to-volume ratio is relevant is digestion. b. The only physiological function for which surface-area-to-volume ratio is irrelevant is reproduction. c. For any physiological function, a high surface-area-to-volume ratio is advantageous. d. Surface area increases as the square of the linear dimension while volume increases as the cube. e. All statements are true.
It is the middle of winter and you walk over an icy patch and lose your balance. As you begin to fall, you react by extending your arms to catch yourself. In this instance, what type of reflex is occurring?
A) flexor reflex B) stretch reflex C) crossed extensor reflex D) tendon reflex E) reciprocal reflex
Answer the following statements true (T) or false (F)
1) Trigeminal nerves control muscles of mastication. 2) Olfactory nerves carry information about smell. 3) Glossopharyngeal nerves control movements of the tongue 4) Facial nerves control chewing and swallowing. 5) Oculomotor nerves help focus the lens of the eye.
Intermediate filaments account for about 85% of the protein present in muscle and liver cells
Indicate whether the statement is true or false