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Which of the following structures contains the vocal cords?

A.

Trachea

B.

Pharynx

C.

Larynx

D.

Epiglottis

Answer and Explanation

The Correct Answer is C

a. Trachea: The trachea is the windpipe, a tube that carries air from the larynx to the bronchi in the lungs. It does not contain vocal cords.

b. Pharynx: The pharynx is a muscular passageway at the back of the throat that connects the nasal cavity, oral cavity, and larynx. It does not contain vocal cords.

c. Larynx: The larynx, also known as the voice box, is located in the throat and contains the vocal cords. These are two folds of muscle that vibrate when air passes over them, producing sound for speech.

d. Epiglottis: The epiglottis is a small flap of cartilage that covers the opening of the larynx during swallowing. It does not contain vocal cords.


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Related Questions

Correct Answer is D

Explanation

a. Decrease in sodium reabsorption: This would lead to further lowering of blood pressure, which is not a compensatory response.

b. Dilation of the afferent arteriole: This typically increases glomerular filtration rate but is not a primary response to decreased blood pressure.

c. Constriction of the efferent arteriole: This response helps to increase glomerular pressure but is secondary to other mechanisms.

d. Release of renin: Renin is released by the kidneys in response to low blood pressure, initiating the renin-angiotensin-aldosterone system (RAAS) to increase blood pressure by conserving sodium and water and constricting blood vessels.

Correct Answer is C

Explanation

a. Reabsorption: Reabsorption is the process by which the kidneys reabsorb water and other needed solutes from the filtrate back into the bloodstream.

b. Incontinence: Incontinence is the involuntary loss of urine.

c. Micturition: Micturition is the voluntary process of emptying the urinary bladder. Urine is produced by the kidneys, stored in the bladder, and released through the urethra when the bladder muscles contract and the sphincter relaxes.

d. Filtration: Filtration is the process by which the kidneys remove waste products and excess water from the blood to form urine

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