Nokea
A nurse is caring for a client who has ulcerative colitis and is teaching the client about the common link with Crohn's disease. Which of the following information should the nurse include?
- A. Both are inflammatory
- B. Both begin in the rectum
- C. Both manifest fistula formation
- D. Both require frequent surgery
Correct Answer: A
Rationale: The correct answer is A: Both are inflammatory. Ulcerative colitis and Crohn's disease are both inflammatory bowel diseases. Ulcerative colitis primarily affects the colon and rectum, while Crohn's disease can affect any part of the digestive tract. This common inflammatory nature is the link between the two conditions. Choices B and C are incorrect because Crohn's disease can start in any part of the digestive tract, not specifically in the rectum, and fistula formation is more common in Crohn's disease than in ulcerative colitis. Choice D is incorrect as not all cases of ulcerative colitis and Crohn's disease require frequent surgery; surgery is usually considered for complications or severe cases.
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Calcium is actively absorbed by the small intestine and this is accelerated by
- A. sodium.
- B. the intrinsic factor.
- C. Vitamin D.
- D. Vitamin K.
Correct Answer: C
Rationale: The correct answer is C: Vitamin D. Vitamin D plays a crucial role in enhancing the absorption of calcium in the small intestine by promoting the synthesis of calcium-binding proteins. This process ensures adequate levels of calcium are absorbed efficiently. In contrast, choice A (sodium) does not directly impact calcium absorption, choice B (intrinsic factor) is involved in the absorption of vitamin B12, not calcium, and choice D (Vitamin K) is essential for blood clotting but not directly related to calcium absorption. Therefore, Vitamin D is the correct choice as it directly influences the active absorption of calcium in the small intestine.
Which of the following is FALSE about the enteric nervous system?
- A. It works through local control.
- B. It consists of enteric sensory and motor neurons.
- C. Enteric interneurons connect sensory and motor neurons together.
- D. The enteric neurons are incapable of controlling digestive tract functions without the central nervous system (CNS).
Correct Answer: D
Rationale: Correct Answer: D
Rationale:
1. The enteric nervous system can autonomously regulate digestive functions locally without input from the central nervous system.
2. Enteric sensory and motor neurons are key components of the enteric nervous system, responsible for detecting stimuli and coordinating gut movements.
3. Enteric interneurons play a crucial role in connecting sensory and motor neurons within the enteric nervous system.
4. Choice D is false because the enteric neurons are capable of controlling digestive tract functions independently from the central nervous system.
In the colon, the teniae coli are bands of ______, which contract to form ______.
- A. fat; epiploic appendages
- B. longitudinal smooth muscle; haustra
- C. skeletal muscle; haustra
- D. smooth muscle; the internal anal sphincter
Correct Answer: B
Rationale: The correct answer is B because the teniae coli are bands of longitudinal smooth muscle in the colon. These bands contract to form haustra, which are the pouches that give the colon its segmented appearance. Choice A is incorrect because fat and epiploic appendages are not involved in the contraction of the colon. Choice C is incorrect because the teniae coli are smooth muscle, not skeletal muscle. Choice D is incorrect because the internal anal sphincter is not formed by the contraction of the teniae coli.
What is the best advice for a patient with an ostomy regarding skin care?
- A. Avoid using skin barrier products, as they can cause irritation.
- B. Use a mild soap and water to clean the skin around the stoma.
- C. Only clean the stoma with alcohol wipes.
- D. Change the ostomy appliance every 24 hours.
Correct Answer: B
Rationale: The correct answer is B: Use a mild soap and water to clean the skin around the stoma. This is because gentle cleansing helps prevent skin irritation and infection. Cleaning with harsh products can damage the skin. Choice A is incorrect because skin barrier products are essential for protecting the skin. Choice C is incorrect as alcohol wipes can be too harsh and drying for the skin. Choice D is incorrect because ostomy appliances typically do not need to be changed daily unless there are specific issues.
The submucosa of the GIT
- A. Is important for protection
- B. Helps with absorption and secretion
- C. Contains an outer and inner layer
- D. Is between the serosa and muscularis externa
Correct Answer: B
Rationale: The submucosa of the GIT is rich in blood vessels, nerves, and lymphatic vessels, aiding in absorption and secretion of nutrients and fluids. The submucosa is not primarily responsible for protection (choice A). It does not contain distinct outer and inner layers (choice C). The submucosa is located between the mucosa and muscularis externa, not the serosa (choice D). Therefore, the correct answer is B as it aligns with the known functions and characteristics of the submucosa.