Which of the following structures secrete mucus?
a. salivary glands
b. esophagus
c. stomach
d. colon
e. all of these answers.
E
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The fissure seen on sectional images separating the two hemispheres of the cerebrum is the ____________________.
Fill in the blank(s) with the appropriate word(s).
Histology is the study of
A. tissues. B. molecules. C. organ function. D. cells.
Arrival of an action potential at the synaptic knob results in
A. opening of voltage-gated calcium channels and diffusion of calcium into the synaptic knob. B. opening of voltage-gated calcium channels and diffusion of calcium out of the synaptic knob to the interstitial fluid. C. closure of voltage-gated calcium channels in the synaptic knob membrane. D. opening of chemically gated calcium channels and diffusion of calcium into the synaptic knob. E. opening of chemically gated calcium channels and diffusion of calcium out of the synaptic knob to the interstitial fluid.
The surge of sex hormones that accompanies puberty has a wide range of effects on the body. One of those effects is to enhance the activity of the sebaceous glands, increasing the production of sebum
Which of the following is the most likely to result from the increased sebaceous activity? A) Increased hair growth. B) Decreased vitamin D synthesis. C) Increased cooling of the skin. D) Increased oily appearance and more acne.