Nokea
Which enzyme helps break down fats in the digestive process?
- A. lipase
- B. pepsin
- C. papain
- D. amylase
Correct Answer: A
Rationale: Lipase is the enzyme responsible for breaking down fats into fatty acids and glycerol during digestion.
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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.
Urine leaves the body through a tube called
- A. the urethra
- B. the ureter
- C. the bladder
- D. the nephron
Correct Answer: A
Rationale: The urethra is the tube through which urine exits the body.
Blood from the intestines travels to the liver via the:
- A. hepatic artery
- B. mesenteric artery
- C. hepatic vein
- D. hepatic portal vein
Correct Answer: D
Rationale: The hepatic portal vein carries nutrient-rich blood from the intestines to the liver for processing before it enters systemic circulation.
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 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.