Which of the following is not a distinguishing cha

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Which of the following is not a distinguishing characteristic of a parasympathetic neuron cell body in a ganglion of Meissner's or Auerbach's plexus?

A. relatively large diameter B. round, large, euchromatic nucleus C. prominent, single nucleolus D. cytoplasmic acidophilia

Correct Answer: D

Rationale: Neurons are basophilic, not acidophilic, due to ribosomes.

What fluid flows within hepatic sinusoids?

A. bile B. lymph C. venous blood from intestine and spleen D. mixed arterial and venous blood

Correct Answer: D

Rationale: Sinusoids carry mixed portal and arterial blood.

The shape of hepatocytes is best described as:

A. cuboidal B. columnar C. squamous D. fusiform

Correct Answer: A

Rationale: Hepatocytes are roughly cuboidal in shape.

Which of the following is not a specific element of duodenal ulcers?

A. Primarily affects males B. Occasional malignancy C. Can lead to weight gain D. Affects people over 65

Correct Answer: C

Rationale: Duodenal ulcers typically cause weight loss due to pain, not gain.

What type of cell releases glucagon?

A. b cells B. a cells C. plasma cells D. D cells

Correct Answer: B

Rationale: Alpha cells in the pancreas release glucagon.

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