The vermiform appendix
A. contains lymphatic nodules.
B. is retroperitoneal.
C. functions in the detoxification of drugs (including alcohol).
D. is attached to the sigmoid colon.
E. secretes enzymes for protein digestion.
Answer: A
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Lipophilic hormones
a. include steroids and thyroid hormone. b. bind with receptors located inside their target cells. c. activate second-messenger systems within their target cells. d. both (a) and (b) above. e. all of these answers.
Which of the following occurs during repolarization?
A) Voltage-gated potassium channels open, potassium flows into the cell and some voltage-gated sodium channels inactivate. B) Voltage-gated potassium channels open. C) Potassium flows into the cell. D) Some voltage-gated sodium channels inactivate. E) Voltage-gated potassium channels open and potassium flows into the cell.
In general, parasympathetic preganglionic fibers are ________ and postganglionic fibers are ________
A) long; short B) short; long C) long; long D) short; short
The hormone that signals that fertilization and implantation have taken place is
A. gonadotropin releasing hormone. B. human chorionic gonadotropin. C. pluripotent prolactin. D. pre-embryonic pellucida factor. E. progesterone.