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Where are the vocal folds located?"

A.

Pharynx

B.

Epiglottis

C.

Trachea

D.

Larynx

Answer and Explanation

The Correct Answer is D

A. Pharynx: The pharynx is a part of the throat, but the vocal folds are not located here.

B. Epiglottis: The epiglottis is a flap of tissue that prevents food from entering the trachea, but it is not where the vocal folds are located.

C. Trachea: The trachea is the windpipe, but the vocal folds are not present here.

D. Larynx: The vocal folds (or vocal cords) are located in the larynx (voice box), which is responsible for sound production.


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Related Questions

Correct Answer is C

Explanation

A. Endocardium: The endocardium is the innermost layer of the heart wall, lining the chambers and valves, and is not in contact with pericardial fluid.

B. Fibrous pericardium: This is the outermost layer of the pericardium but is not part of the heart wall. It provides protection and support but does not come into direct contact with pericardial fluid.

C. Epicardium: The epicardium is the outer layer of the heart wall and is in direct contact with pericardial fluid, which is found between the epicardium and the pericardium.

D. Myocardium: The myocardium is the middle muscular layer responsible for heart contractions and is not in contact with pericardial fluid.

Correct Answer is C

Explanation

A. Calcium: Calcium reabsorption primarily occurs in the distal convoluted tubule, not the loop of Henle.

B. Drugs: Drug secretion mainly happens in the proximal convoluted tubule.

C. Urea: Urea is secreted by the loop of Henle, especially in the thin descending limb, as part of the concentration of urine.

D. Bicarbonate ions: Bicarbonate is reabsorbed mainly in the proximal convoluted tubule, not secreted by the loop of Henle.

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