Which of the following does not arise from the embryonic mesoderm?
A. The dermis
B. The nervous system
C. The mesothelium
D. The skeletal system
E. The blood vessels
Answer: B
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Which of the following is NOT a change that may be caused by hormonal stimulus?
A) an increase in enzyme synthesis B) stimulation of mitosis C) a change in membrane potential D) direct control of the nervous system
Neurotransmitters are small, ____________________-acting molecules
Fill in the blank(s) with correct word
Despite the strength of the dermis, it is subject to tearing. How might a person know that the dermis has been previously stretched and/or torn?
A) Tension, or cleavage, lines disappear. B) Generally permanent stretch marks, or striae, appear. C) Flexure lines appear where the skin has been stressed. D) The skin will darken due to increased melanin accumulation.
When the pH rises above 7.45, a state of ________ exists
A) acidosis B) alkalosis