Postganglionic parasympathetic fibers to the lacrimal glands originate from the:
a. submandibular ganglia
b. pterygopalatine ganglion
c. ciliary ganglion
d. otic ganglia
Answer: b. pterygopalatine ganglion
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Which statement about neural reflex arcs is incorrect?
A) They contain the following elements: receptor, integrating center, and effector. B) An afferent path leads to the integrating center and an efferent path leads away from it. C) They are slowed down by the hormones involved. D) Their function is to protect the body from harm caused by homeostatic imbalances or external events.
David woke up late for work and did not have time to eat breakfast. He ate dinner at 6 pm the previous night and has not eaten since. Which statement is true about David's blood glucose levels?
A. David's blood glucose levels are within normal limits. B. David's blood glucose levels are high. C. David's blood glucose levels are low. D. None of these answers are correct
The alternate forms of any one gene are called
A) homologous. B) homozygous. C) heterozygous. D) autosomes. E) alleles.
Both the vagina and the urethra open into a space called the
A. urogenital sinus. B. pudendal cleft. C. vestibule. D. prepuce. E. mons pubis.