Small finger-like projection, which produce numerous microscopic projections are supplied with a network of
- A. Blood capillaries and lacteal
- B. Blood capillaries only
- C. Lacteal only
- D. A large lymphoid vessel and valves
Correct Answer: A
Rationale: Villi contain blood capillaries and lacteals for absorbing nutrients like glucose and fats.
You may also like to solve these questions
The nurse is teaching classes on development to parents of toddlers. A parent asks when a child should be toilet trained. The nurse bases a response on knowledge that sphincter control is generally possible by age months. Provide a numeric answer.
- A. 18
- B. 24
- C. 30
- D. 36
Correct Answer: B
Rationale: Sphincter control typically develops around 24 months, enabling toilet training.
Pancreatic juice contains a protein-splitting enzyme called:
- A. trypsin
- B. zymogen
- C. pepsin
- D. amylase
Correct Answer: A
Rationale: Trypsin is a pancreatic enzyme that digests proteins.
Which of the following hormones stimulates the production of pancreatic juice and bicarbonate?
- A. Insulin and glucagon
- B. Cholecystokinin and secretin
- C. Gastrin and insulin
- D. Angiotensin and epinephrine
Correct Answer: B
Rationale: Secretin and cholecystokinin stimulate the pancreas to release pancreatic juice and bicarbonate.
The nurse is teaching classes on development to parents of toddlers. A parent asks when a child should be toilet trained. The nurse bases a response on knowledge that sphincter control is generally possible by age months. Provide a numeric answer.
- A. 18
- B. 24
- C. 30
- D. 36
Correct Answer: B
Rationale: Sphincter control typically develops around 24 months, enabling toilet training.
During the process of defecation, which of the following changes takes place?
- A. Relaxation of the internal anal sphincter
- B. Contraction of the external anal sphincter
- C. Relaxation of the rectal smooth muscle
- D. Decreased intra-abdominal pressure compared to the resting state
Correct Answer: A
Rationale: The internal anal sphincter relaxes reflexively during defecation to allow stool passage, while the external sphincter is voluntarily controlled.
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