The function of the hepatic portal circulation is to ________.
A) carry toxins to the venous system for disposal through the urinary tract
B) collect absorbed nutrients for metabolic processing or storage
C) distribute hormones
D) return glucose to the general circulation when blood sugar is low
B) collect absorbed nutrients for metabolic processing or storage
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The ________ passes through the ________
A) vagus nerve; foramen magnum B) optic nerve; foramen ovale C) vestibulocochlear nerve; external acoustic meatus D) internal jugular vein; jugular foramen E) internal carotid artery; jugular foramen
Choose the statement that correctly describes the structure or function of dendrites.
A. Are thin extensions of the axon B. Transmit graded electrochemical impulses toward the cell body C. Release neurotransmitters to initiate graded potentials in adjacent cells D. Transmit action potentials away from the cell body
What is not true of epithelial cells?
A) They regenerate readily. B) They are bound together to form sheets. C) They are richly vascularized. D) They have a free surface.
Which of the following would NOT cause hypoglycemia in the patient with type 1 diabetes?
A) Insulin underdose B) Too much insulin C) Too little food D) Strenuous exertion