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The sigmoid is part of the:

Colon

Esophagus

Small intestine

Stomach

Answer and Explanation

The Correct Answer is A

A. Colon: The sigmoid colon is the S-shaped terminal portion of the large intestine, connecting to the rectum.

B. Esophagus: The esophagus is part of the upper digestive tract, not the colon.

C. Small intestine: The sigmoid colon is not a part of the small intestine.

D. Stomach: The stomach is part of the upper GI tract and does not include the sigmoid colon.

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Correct Answer is A

Explanation

A. Epiglottis: The epiglottis is a flap of cartilage that covers the laryngeal opening during swallowing to prevent food or liquid from entering the airway.

B. Tonsils: Tonsils are lymphatic tissues in the pharynx that help trap pathogens, not prevent aspiration.

C. Uvula: The uvula helps close off the nasopharynx, not the trachea, during swallowing.

D. Appendix: The appendix is a blind-ended tube attached to the cecum; it plays no role in swallowing or airway protection.

A. Storage B. Filtration C. Reabsorption D. Buffering of H+

Correct Answer is A

Explanation

A. Storage: The urinary bladder’s primary function is to store urine until it is excreted during urination.

B. Filtration: Filtration occurs in the glomeruli of the kidneys, not in the bladder.

C. Reabsorption: Reabsorption happens in the renal tubules after filtration in the kidneys.

D. Buffering of H+: Buffering of hydrogen ions occurs in the kidneys and blood, not in the bladder.

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The sigmoid is part of the:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which flap made of cartilage prevents food and water from entering the respiratory passages?

Correct Answer is A

Explanation

Which of the following word best describes the function of the urinary bladder?

Correct Answer is A

Explanation

Food moves through the esophagus to the:

Aldosterone:

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The villi are associated with and function in:

Which of the following is not a "plumbing" structure of the urinary system?

Glucose is not normally excreted in the urine because:

Which of the following are functions of the liver? (Select all that apply.)

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