Nokea
Filiform papilla of tongue:
- A. Present at sulcus terminalis.
- B. Covered by Parakeratinized epith.
- C. Carry taste buds.
- D. Has underlying Von Ebner's glands.
Correct Answer: B
Rationale: Filiform papillae are covered by parakeratinized epithelium and are numerous on the anterior tongue, but they do not carry taste buds or have Von Ebner's glands.
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Which food substance is absorbed, without digestion?
- A. Carbohydrates
- B. Proteins
- C. Vitamins
- D. Fats
Correct Answer: C
Rationale: Vitamins are absorbed without digestion, unlike macronutrients.
The glomerular capillaries are where?
- A. Collecting duct
- B. Bowman's capsule
- C. Loop of Henle
- D. Proximal convoluted tubule
Correct Answer: B
Rationale: Glomerular capillaries are in Bowman's capsule, where filtration occurs.
A client with an elevated amylase level asks the nurse about the altered value. The nurse bases a response on knowledge that amylase:
- A. Is an enzyme from the pancreas needed for carbohydrate digestion
- B. Plays no significant role in physiological processes
- C. Is an enzyme from the pancreas needed for fat digestion
- D. Is an enzyme from the pancreas that is the major component of bile
Correct Answer: A
Rationale: Amylase, produced by the pancreas, digests carbohydrates into sugars.
Match each term with the correct description: waste liquid containing water, salts, and wastes
- A. urethra
- B. urinary system
- C. bladder
- D. urine
Correct Answer: D
Rationale: Urine is the waste liquid containing water, salts, and metabolic wastes.
What are the substrate and end-products of digestion by the enzyme lipase?
- A. substrate: triglycerides, end-products: fatty acids and glycerol
- B. substrate: proteins, end-products: amino acids
- C. substrate: carbohydrates, end-products: monosaccharides
- D. substrate: nucleic acids, end-products: nucleotides
Correct Answer: A
Rationale: Lipase hydrolyzes triglycerides into their component fatty acids and glycerol.