The primary function of which organ is to deliver chyme (food bolus) to the duodenum at the proper rate?

Stomach

Liver

Colon

Esophagus

Answer and Explanation

The Correct Answer is A

A. Stomach: The stomach regulates the release of chyme into the duodenum via the pyloric sphincter, controlling the rate of gastric emptying.

B. Liver: The liver produces bile, but does not handle chyme or food bolus movement.

C. Colon: The colon processes waste after absorption and doesn’t interact with chyme from the stomach.

D. Esophagus: The esophagus moves food from the mouth to the stomach but does not regulate chyme delivery to the small intestine.

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Correct Answer is ["A","C","E","F"]

Explanation

A. Regulate blood volume: Kidneys regulate fluid balance by adjusting urine output, influencing blood volume.

B. Excrete solid waste: Kidneys excrete liquid waste (urea, creatinine), not solid waste; the GI tract handles solids.

C. Role in regulation of blood pressure: Via the renin-angiotensin-aldosterone system (RAAS), kidneys influence vascular resistance and fluid volume.

D. Regulate body temperature: Thermoregulation is managed by the hypothalamus and skin, not the kidneys.

E. Regulate electrolyte content of blood: Kidneys regulate levels of sodium, potassium, calcium, and phosphate in the blood.

F. Role in RBC production: By releasing erythropoietin, kidneys stimulate RBC production in the bone marrow.

A. “You don't need a colonoscopy unless you have bleeding when you move your bowels.” B. “You don't need a colonoscopy unless you have a family history of colon cancer.” C. “You need to get a colonoscopy when you are 60 years old.” D. “You need to get a colonoscopy when you are 45 years old.”

Correct Answer is D

Explanation

A. “You don't need a colonoscopy unless you have bleeding when you move your bowels.”: This delays screening and ignores current guidelines.

B. “You don't need a colonoscopy unless you have a family history of colon cancer.”: Screening is recommended for average-risk individuals regardless of family history.

C. “You need to get a colonoscopy when you are 60 years old.”: This is later than current guidelines recommend.

D. “You need to get a colonoscopy when you are 45 years old.”: As per current USPSTF and American Cancer Society guidelines, colon cancer screening starts at age 45 for average-risk adults.

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The primary function of which organ is to deliver chyme (food bolus) to the duodenum at the proper rate?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

What is the function(s) of the kidney? (Select all that apply.)

Correct Answer is ["A","C","E","F"]

Explanation

A 44-year-old male client presents to the physician's office for a routine physical. When the patient is talking to the nurse, he asks when he needs to get a colonoscopy. The correct response would be:

Correct Answer is D

Explanation

Tracing the passage of food through the digestive system, which of the following is correct?

Pancreatic lipase:

A nurse is emptying a client's urinal when she notices the urine is dark amber, cloudy, and has an unpleasant odor. The nurse should identify that these findings are likely to be the result of which of the following?

A nurse is assessing an older adult client who has a urinary tract infection (UTI). Which of the following findings should the nurse identify as unique for this age group?

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

The esophagus is a muscular tube that:

Which of the following is FALSE concerning normal urine?

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