Where does the spinal cord end?
A. The dorsal median sulcus
B. The filum terminale
C. The medullary cone
D. The lumbosacral enlargement
E. The cauda equina
Answer: C
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The negative charge established along a nerve cell membrane is due to
a. movement of Na+ into the cell. b. movement of proteins out of the cell. c. higher permeability of K+ relative to Na+. d. intracellular protein anions. e. both (c) and (d).
Which of the following is not a side effect of constipation?
a. headache. b. nausea. c. gradual buildup of toxins. d. lack of appetite. e. all of these answers.
Which statement accurately describes how pH is related to denaturation?
A. Either a large increase or a large decrease in pH can lead to denaturation.?B. Neither a large increase nor a large decrease in pH can lead to denaturation. ?C. A large increase but not a large decrease in pH can lead to denaturation.?D. A large decrease but not a large increase in pH can lead to denaturation.
Identify the highlighted structure.
