Intrinsic factor is secreted by which cells of the gastric glands?
A) mucous cells
B) chief cells
C) peptic cells
D) parietal cells
Answer: D) parietal cells
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In IgG, the antigen binding site is formed by the
A) variable segment of the light chain. B) variable segment of the heavy chain. C) constant segment of the heavy chain. D) variable segments of both the light and heavy chains. E) ionized segment of the light chain and the isotropic segment of the heavy chain.
Which bone articulates with all three cuneiform bones?
A. Cuboid B. Calcaneus C. Navicular D. First metatarsal E. Talus
Where does the acetylcholine released for muscle contraction bind?
A) receptors in the axon terminal B) receptors in the motor end plate C) receptors in the sarcoplasmic reticulum D) receptors in troponin
Cortisone and cortisol are types of ________ produced by the middle cortical layer of the adrenal gland
A) mineralocorticoids B) glucocorticoids C) sex hormones D) catecholamines