After eating a large meal, Mr. Davis felt sleepy. Which nervous system dominates and is often called our "rest and digest" division of the autonomic nervous system (ANS)?
A) systemic nervous system
B) somatic nervous system
C) sympathetic nervous system
D) parasympathetic nervous system
Answer: D
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The term lymphadenopathy refers to
A) a congenital lack or malformation of lymph nodes. B) a chronic or excessive enlargement of lymph nodes. C) accumulations of lymph in the tissue space. D) the lack of lymphocytes in peripheral circulation. E) increased numbers of circulating lymphocytes.
A graded change in membrane potential within a sensory receptor cell is always called a(n)
A) action potential. B) receptor potential. C) hyperpolarization. D) depolarization.
Using the figure below, identify the labeled part.
1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
9) Label I: ______________________________
The photoreceptors in the eye are sensitive only to wavelengths between ____
a. 40 and 70 nanometers b. 400 and 700 nanometers c. 4 and 7 micrometers d. 40 and 70 micrometers e. 400 and 700 micrometers