Nokea
Taste buds are found in the following areas EXCEPT:
- A. Oral mucosa & soft palate
- B. Esophagus
- C. Laryngeal surface of Epiglottis
- D. Tongue papilla
Correct Answer: C
Rationale: Taste buds are absent in the esophagus; they are present on the tongue, soft palate, and epiglottis for taste perception.
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The intestine has a large surface area. Why?
- A. To make the passage of nutrients through the intestine faster
- B. To make the passage of nutrients through the intestine slower
- C. To make absorption of nutrients more efficient
- D. To make the absorption of nutrients slower
Correct Answer: C
Rationale: A large surface area, due to villi and microvilli, enhances nutrient absorption efficiency.
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.
Carbohydrates are comprised of carbon, , and oxygen.
- A. iron
- B. hydrogen
- C. nitrogen
- D. sulfur
Correct Answer: B
Rationale: Carbohydrates consist of carbon, hydrogen, and oxygen in a specific ratio.
How many nephrons are found in each kidney?
- A. approximately one hundred
- B. approximately one thousand
- C. approximately one million
- D. approximately ten million
Correct Answer: C
Rationale: Each kidney contains about one million nephrons, the functional units for filtration.
In the buccal cavity of human being, digestion of which one of the following get started?
- A. Protein
- B. Fat
- C. Carbohydrates
- D. Nucleic acids
Correct Answer: C
Rationale: The digestion of carbohydrates begins in the buccal cavity due to the action of salivary amylase, which breaks down starches into simpler sugars.