Chief cells secrete
A) pepsinogen.
B) gastrin.
C) mucus.
D) hydrochloric acid.
E) intrinsic factor.
A
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Which is not correct regarding bile?
A. Bile is produced by Kupffer cells. B. Bile canaliculi transport bile to the periphery of each lobule. C. Bile and blood flow in opposite directions within each hepatic lobule. D. Bile is stored and concentrated in the gallbladder. E. All of the choices are correct.
The hip socket is more technically referred to as which of the following?
A. The glenoid cavity B. The acetabulum C. The obturator foramen D. The foramen magnum E. The olecranon fossa
Which of the following occurs during repolarization?
A) Voltage-gated potassium channels open, potassium flows into the cell and some voltage-gated sodium channels inactivate. B) Voltage-gated potassium channels open. C) Potassium flows into the cell. D) Some voltage-gated sodium channels inactivate. E) Voltage-gated potassium channels open and potassium flows into the cell.
A class-2 MHC molecule is used to present a foreign antigen to ________.
A. cytotoxic T cells B. regulatory T cells C. B lymphocyte D. helper T cells