Nokea
By which process, most of glucose and amino acids are absorbed in the small intestine?
- A. Active transport
- B. Passive transport
- C. Osmosis
- D. Selective absorption
Correct Answer: A
Rationale: Glucose and amino acids are primarily absorbed via active transport in the small intestine.
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Sieve plate is the found in the endothelium of:
- A. Hepatic sinusoids.
- B. Fenestrated capillaries of intestinal villi.
- C. Capillaries of islets of Langerhans.
- D. Lacteal lymphatic capillaries.
Correct Answer: A
Rationale: Sieve plates are clusters of fenestrae in the endothelium of hepatic sinusoids, allowing plasma exchange with the space of Disse.
When suggesting menu options to a group of senior citizens, the nurse is careful to include which of the following choices that would enhance normal physiology and prevent the problem of constipation?
- A. Whole grains
- B. Highly spiced or flavored foods
- C. Limiting fluids
- D. Salads and fresh fruits
Correct Answer: A
Rationale: Whole grains increase fiber intake, promoting bowel regularity and preventing constipation.
Match each term with the correct description: organ that holds urine until it leaves the body
- A. urethra
- B. urinary system
- C. bladder
- D. kidneys
Correct Answer: C
Rationale: The bladder stores urine until it is excreted.
Fungiform papillae are most numerous in:
- A. Pharyngeal part of the tongue [post. 1/3rd]
- B. Oral part of the tongue
- C. Edges & tip of tongue.
- D. Basolateral area of oral part of the tongue.
Correct Answer: B
Rationale: Fungiform papillae are scattered across the oral part of the tongue but are most concentrated at the edges and tip, where taste perception is heightened.
Which of the following would MOST directly affect the operations of the digestive system?
- A. osteoporosis
- B. liver damage
- C. heart attack
- D. kidney failure
Correct Answer: B
Rationale: Liver damage directly impacts digestion by reducing bile production, essential for fat breakdown.