Looking at a slide of thin skin under the microscope, you note that the stratum basale is the ________ layer of the epidermis in from the surface.
A. fourth
B. fifth
C. third
D. first
E. second
Answer: A
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The muscular system develops from the ________.
Fill in the blank(s) with the appropriate word(s).
Parasympathetic preganglionic axons
1.are shorter than parasympathetic postganglionic axons.
2.are shorter than sympathetic preganglionic axons.
3.release the same neurotransmitter as that released by sympathetic postganglionic axons.
4.release a different neurotransmitter than that released by sympathetic preganglionic axons.
5.release the same neurotransmitter as that released by parasympathetic postganglionic axons.\
The adrenal gland releases aldosterone in response to
A. ANP and increased blood plasma sodium levels. B. ANP and decreased blood plasma sodium levels. C. angiotensin II and increased blood plasma sodium levels. D. angiotensin II and decreased blood plasma sodium levels.
Match the factor with its effect on the affinity of hemoglobin for oxygen.
1. increased temperature 2. increased pH 3. increased PCO2 4. increased 2,3-DPG A. increase B. decrease