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Where are the tonsils located?

A.

Trachea

B.

Esophagus

C.

Pharynx

D.

Larynx

Answer and Explanation

The Correct Answer is C

A. Trachea: The trachea is the airway that leads to the lungs, but it does not contain tonsils.

B. Esophagus: The esophagus is the tube that connects the throat to the stomach, and it does not contain tonsils.

C. Pharynx: The tonsils are located in the pharynx, which is the region of the throat behind the mouth and nasal cavity. They play a role in the immune system by trapping pathogens that enter the body through the mouth and nose.

D. Larynx:  The larynx is the voice box, located below the pharynx, and does not house tonsils.


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Related Questions

Correct Answer is B

Explanation

A. Gastrin: Gastrin stimulates gastric acid secretion in the stomach, not pancreatic bicarbonate.

B. Secretin: Secretin stimulates the pancreas to secrete bicarbonate, which neutralizes stomach acid in the duodenum.

C. Somatostatin: Somatostatin inhibits many digestive processes, including the release of digestive hormones, not bicarbonate.

D. Cholecystokinin (CCK): CCK stimulates the release of digestive enzymes from the pancreas but not bicarbonate.

Correct Answer is C

Explanation

A. Blood pumped into a ventricle in one minute: This describes venous return but not cardiac output.

B. Blood pumped into the atria in one minute: Cardiac output measures blood leaving the heart, not entering the atria.

C. Blood pumped by each ventricle in one minute: Cardiac output is the amount of blood ejected by each ventricle in one minute. It is calculated by multiplying stroke volume (the amount of blood ejected per beat) by heart rate.

D. Blood pumped out of an atrium in one minute: This describes atrial function but is not related to the definition of cardiac output.

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