The cytoplasm of the neuromuscular synaptic terminal contains vesicles filled with molecules of the neurotransmitter
A) epinephrine.
B) norepinephrine.
C) acetylcholine.
D) antidiuretic hormone.
E) acetylcholinesterase.
Answer: C
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Which of the following is NOT a factor that determines the rate of pulmonary and systemic gas exchange?
a) Partial pressure difference of gases b) surface are availability for gas exchange c) Diffusion distance d) Molecular weight and solubility of the gases e) All of these are factors that determine the rate of pulmonary and systemic gas exchange.
This figure shows the muscles that move the tongue. What muscle does number 2 indicate?
A. Palatoglossus B. Styloglossus C. Stylohyoid D. Hyoglossus E. Genioglossus
The pancreatic islets produce
A. glucagon. B. insulin. C. digestive enzymes. D. both insulin and glucagon.
The most common type of cartilage, named for its glassy appearance, is
A. fibrocartilage. B. hyaline cartilage. C. elastic cartilage. D. reticular cartilage. E. areolar cartilage.