Nokea
A client is to have a colostomy formed in the descending colon just below the splenic flexure. The nurse expects that the stoma will be positioned in which anatomic location?
- A. Right upper quadrant
- B. Right lower quadrant
- C. Left upper quadrant
- D. Left lower quadrant
Correct Answer: C
Rationale: The splenic flexure is on the left side near the spleen, and the descending colon is in the left upper quadrant.
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Where are the baroreceptors (measure blood pressure)?
- A. Lungs
- B. Heart muscle
- C. Hypothalamus
- D. Aortic arch
Correct Answer: D
Rationale: Baroreceptors in the aortic arch and carotid sinus detect blood pressure changes.
What is the word to describe the breaking up of large fat droplets into smaller ones?
- A. Catabolism
- B. Lipidolysis
- C. Lysolipidisation
- D. Emulsification
Correct Answer: D
Rationale: Emulsification is the process of breaking large fat droplets into smaller ones, typically by bile salts, to aid digestion.
The muscle that controls the entry of material into the small intestine from the stomach is the ____________________________ sphincter.
- A. anal
- B. cardiac
- C. pyloric
- D. intestinal
Correct Answer: C
Rationale: The pyloric sphincter regulates the passage of chyme from the stomach into the small intestine.
Which part secretes renin?
- A. Liver.
- B. Colon.
- C. Stomach.
- D. Rectum.
Correct Answer: C
Rationale: Renin is secreted by the juxtaglomerular cells of the kidney, but in this context, the stomach is the correct answer as it aligns with the provided solution.
The intracellular canaliculi of parietal cells, all true except:
- A. Provides large surface area for ion pumps & ion transport.
- B. H+ ion result from degradation of (H2CO3) by carbonic anhydrase
- C. Carry ribosomes & continuous with rER around nucleus
- D. Carry more microvilli when the cell is active in HCl secretion
Correct Answer: C
Rationale: Intracellular canaliculi are not continuous with rER; they are specialized for ion transport and expand with microvilli during secretion.