Which is a function of the placenta?
A) It stimulates fetal blood cell production.
B) It produces hormones that keeps the pregnancy viable.
C) It directs organogenesis.
D) It is first immune organ of the fetus.
Answer: B
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The temporalis muscle passes through the
A) alveolar processes of the maxillae and mandible. B) tendinous band around the optic foramen. C) epicranial aponeurosis. D) zygomatic arch. E) fascia surrounding the submandibular salivary gland.
Action potentials are primarily associated with the membranes of
A) axons only. B) dendrites only. C) cell bodies and axons. D) dendrites and axons. E) cell bodies only.
Giving birth to swine is called:
A) barrowing B) queening C) farrowing D) tupping
What is the medium found in the cochlear canal?
A. Ectolymph B. Air C. Endolymph D. Perilymph