Nokea
Which tubules are the effectors for ADH?
- A. Distal and collecting
- B. Proximal and collecting
- C. Loop of Henle and Distal
- D. Loop of Henle and proximal
Correct Answer: A
Rationale: ADH acts on the distal convoluted tubule and collecting duct to increase water reabsorption.
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Which of the following is synthesized and stored in the liver cells?
- A. Galactose
- B. Lactose
- C. Glycogen
- D. Arabinose
Correct Answer: C
Rationale: Glycogen is synthesized and stored in the liver for energy reserve.
About Vermilion zone, all true except:
- A. Covered by modified skin
- B. Transitional zone between outer & inner labial surfaces.
- C. Its epithelium is thicker than skin covering outer labial surface
- D. The dermal papillae beneath the epidermis are numerous, deep and highly vascular.
Correct Answer: C
Rationale: The vermilion zone's epithelium is thinner than the outer labial skin, not thicker, allowing the underlying vascularity to show through, giving it a red appearance.
Peristalsis moves food material:
- A. in the stomach and small intestine only
- B. in the small and large intestines only
- C. in the stomach and small and large intestines only
- D. from the pharynx to the anal canal
Correct Answer: D
Rationale: Peristalsis is a wave-like muscle contraction that moves food material through the entire gastrointestinal tract.
A client is to have a colostomy formed in the descending colon just below the splenic flexure. The nurse expects that the stoma will be positioned in which anatomic location?
- A. Right upper quadrant
- B. Right lower quadrant
- C. Left upper quadrant
- D. Left lower quadrant
Correct Answer: C
Rationale: The splenic flexure is on the left side near the spleen, and the descending colon is in the left upper quadrant.
The enzyme trypsinogen is secreted from-
- A. Duodenum
- B. Pancreas
- C. Liver
- D. Stomach
Correct Answer: B
Rationale: Trypsinogen is secreted by the pancreas and activated to trypsin in the duodenum.