Nokea
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.
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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.
The enzyme trypsinogen is secreted from-
- A. Duodenum
- B. Pancreas
- C. Liver
- D. Stomach
Correct Answer: B
Rationale: Trypsinogen is secreted by the pancreas and activated to trypsin in the duodenum.
Four bags made of partially permeable membrane are placed in tubes as shown in the diagram. bag made of partially permable membrane starch solution water reducing sugar solution water starch solution and saliva water tube 1 tube 2 tube 3 tube 4 saliva water After 20 minutes at 35 oC a sample of water from each tube, outside the bag, is boiled with Benedict's solution. What are the results?
- A. tube 1: blue, tube 2: red, tube 3: blue, tube 4: red
- B. tube 1: blue, tube 2: blue, tube 3: red, tube 4: red
- C. tube 1: red, tube 2: blue, tube 3: blue, tube 4: red
- D. tube 1: red, tube 2: red, tube 3: blue, tube 4: blue
Correct Answer: A
Rationale: Only reducing sugars can pass through the membrane, turning Benedict's solution red, while starch cannot.
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.
The nurse is caring for a client who is returning from the operating room following a cholecystectomy, or removal of the gallbladder. The nurse knows that the function of the gallbladder is to:
- A. Manufacture bile
- B. Concentrate bile
- C. Remove toxins from the blood
- D. Make albumin
Correct Answer: B
Rationale: The gallbladder concentrates and stores bile produced by the liver.