The efferent division of the peripheral nervous system innervates ________ cells
A) skeletal muscle
B) smooth muscle
C) heart muscle
D) glandular
E) All of the answers are correct.
E
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Bacteria-destroying stellate macrophages are found in the sinusoids of which of the following?
A. The liver B. The gastric glands C. The pancreas D. The intestinal crypts E. The appendix
What are common characteristics of reflexes?
A) All reflexes involve contraction of skeletal muscle to pull away from a stimulus to minimize damage. B) All reflexes involve processing in the spinal cord. C) All reflexes involve processing in the brain. D) All reflexes involve only one synapse so they are rapid responses to stimuli. E) All reflexes are rapid, unconscious patterned responses to stimuli that restore or maintain homeostasis.
Which of the following cells is largely responsible for skin color?
A) Melanocyte B) Merkel cell C) Dead keratinocyte D) Keratinocyte E) Dendritic cell
Classify each scenario below as to primarily which type of work is being done.
1. maintaining a concentration gradient across a membrane 2. working on a dock, loading and unloading boxes into trucks all day 3. wound healing, recovering from surgery 4. enlarging one's muscles through body-building exercises 5. bringing glucose molecules inside brain cells so one can think 6. a thoroughbred horse, or greyhound dog, running around the track A. chemical work B. transport work C. mechanical work