The movement of semen out of the penis is known as ________.
A. erection
B. arousal
C. ejaculation
D. semen ejection
Answer: C
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Which of the following is true about gustatory receptors?
A) In order for a chemical to be sensed, it must be hydrophobic. B) The receptors generate an action potential in response to chemical stimuli. C) Complete adaptation occurs in about one to five minutes. D) All gustatory receptors have the same threshold for activation.
Which of the following facial muscles stretches from the lower portion of the mandible to the fascia of the upper chest, and pulls the angle of the mouth downward during pouting or expression of horror?
A. Orbicularis oris B. Orbicularis oculi C. Buccinator D. Platysma E. Levator anguli oris
Which is the function of an intercalated disc?
A) Contains gap junctions that allow rapid communication between cells B) Contains both desmosomes for tensile strength and gap junctions for communication C) Uses desmosomes to hold cells together D) Uses tight junctions to snap cells together for great tensile strength
Which tract is NOT part of the extrapyramidal motor tracts?
A. Rubrospinal B. Reticulospinal C. Vestibulospinal D. Corticospinal