What causes the pyloric sphincter to open?
A. The mixing of chime
B. The low pH of the stomach
C. The increase in gastrin
D. None of these are correct
Answer: B
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Ribosomes
a. are the only sites where proteins are made b. contain protein in their chemical makeup c. contain RNA in their chemical makeup d. consist of subunits that are constructed inside the nucleus e. are characterized by all of the above
Which of the following occurs during the absorptive state?
A) Fatty acids are oxidized for fuel B) Glucagon levels increase C) Gluconeogenesis is suppressed D) Blood glucose falls E) Lipolysis is occurring
Blood vessels and nerves run through the center of osteons in
A. lacunae. B. central canals. C. trabeculae.
Facial expression is regulated by the ________ nerve.
A. trigeminal B. vagus C. accessory D. abducens E. facial