Nokea
A nurse is teaching a client how to do fecal occult blood testing. Which of the following statements by the client indicates a need for further teaching?
- A. I will continue my low-dose aspirin therapy regimen.'
- B. I will refrain from eating raw fruits and vegetables.'
- C. I will avoid steak and other red meats.'
- D. I will continue taking my Coumadin as prescribed.'
Correct Answer: A
Rationale: Rationale:
A: Low-dose aspirin can cause false positive results in fecal occult blood testing due to its effect on gastrointestinal bleeding. Therefore, the client should inform the healthcare provider and consider stopping or adjusting the aspirin therapy during the testing period.
B: Refraining from raw fruits and vegetables is correct as they can interfere with the test results.
C: Avoiding red meats is correct as they can also affect the test results.
D: Continuing Coumadin as prescribed is correct as it does not interfere with fecal occult blood testing.
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Where does the chemical digestion of starch begin?
- A. mouth
- B. esophagus
- C. stomach
- D. small intestine
Correct Answer: A
Rationale: The correct answer is A: mouth. Chemical digestion of starch begins in the mouth with the enzyme amylase present in saliva. Amylase breaks down starch into maltose. This process initiates the breakdown of complex carbohydrates into simple sugars for absorption. In contrast, the esophagus is not involved in digestion, the stomach primarily performs mechanical and protein digestion, and the small intestine is where most of the digestion and absorption of nutrients occur, but not where the initial digestion of starch begins.
Which patient is most likely to be diagnosed with short bowel syndrome?
- A. History of ulcerative colitis
- B. Had extensive resection of the ileum
- C. Diagnosed with irritable bowel syndrome
- D. Had colectomy performed for cancer of the bowel
Correct Answer: B
Rationale: Short bowel syndrome occurs most commonly in patients who have had extensive resections of the ileum, as the ileum is responsible for nutrient absorption.
What is the role of the large intestine?
- A. digestion of proteins
- B. absorption of nutrients
- C. absorption of water
- D. production of bile
Correct Answer: C
Rationale: The large intestine's main role is to absorb water from the indigestible food residue, forming feces. This process helps maintain proper hydration levels in the body. It does not digest proteins (choice A) or absorb nutrients (choice B), as these processes primarily occur in the small intestine. The production of bile (choice D) is carried out by the liver and stored in the gallbladder, not by the large intestine. Thus, choice C is correct as it aligns with the primary function of the large intestine.
Vomitting is not usually caused by:
- A. Irritation if the duodenal mucosa
- B. Diseases of the inner ear
- C. Microbial toxins in the blood
- D. Severe exercise
Correct Answer: B
Rationale: The correct answer is B: Diseases of the inner ear. Vomiting is primarily controlled by the vomiting center in the brainstem, which responds to various stimuli such as irritation of the duodenal mucosa (Choice A), microbial toxins in the blood (Choice C), and severe exercise (Choice D). Diseases of the inner ear do not directly trigger the vomiting reflex, making Choice B the correct answer.
Priority Decision: Before selecting a weight reduction plan with an obese patient
- A. what is most important for the nurse to first assess?
- B. The patient's motivation to lose weight
- C. The length of time that the patient has been obese
- D. Whether financial considerations will affect the patient's choices
Correct Answer: D
Rationale: Assessing anthropometric measures helps to understand the severity of obesity and provide baseline data for weight loss goals.