Acetylcholine is released from a neuron
A. by conduction through a gap junction from nerve to muscle.
B. by a primary active transport pump.
C. by rapid diffusion when a voltage-gated ion channel opens for it.
D. through exocytosis when a vesicle fuses with the membrane.
Answer: D
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Which of the following muscles of mastication would be responsible for mandibular elevation?
A. Temporalis B. Lateral pterygoid C. Stylohyoid D. Zygomaticus major E. Zygomaticus minor
Which of these is NOT a common behavioral change due to pain?
A. Being grumpy B. Swearing C. Loss of appetite D. Increased social interaction
Erythroblastosis fetalis can develop between an Rh ____ mother and Rh ____ fetus
a. negative; negative b. neutral; negative c. negative; positive d. positive; negative e. positive; positive
Microtubules
A. are the smallest components of the cytoskeleton. B. provide structure and support to the cytoplasm. C. are a component of mitochondria. D. are solid, supporting rods of protein. E. contain the protein myosin.