HESI RN
Nutrition HESI Practice Exam
1. A nurse is caring for four clients. The nurse should observe which of the following clients for a risk of vitamin B6 deficiency?
- A. A client who has cystic fibrosis
- B. A client who has chronic alcohol use disorder
- C. A client who takes phenytoin for a seizure disorder
- D. A client who is prescribed rifampin for tuberculosis
Correct answer: B
Rationale: Chronic alcohol use disorder can lead to vitamin B6 deficiency due to impaired absorption and increased excretion of the vitamin. While clients with cystic fibrosis may be at risk for fat-soluble vitamin deficiencies, such as vitamins A, D, E, and K, they are not specifically at high risk for vitamin B6 deficiency. Clients taking phenytoin are at risk for folate deficiency, not vitamin B6. Clients prescribed rifampin for tuberculosis are at risk for vitamin D deficiency, not vitamin B6.
2. The nurse is reviewing laboratory results on a client with acute renal failure. Which one of the following should be reported immediately?
- A. Blood urea nitrogen 50 mg/dl
- B. Hemoglobin of 10.3 g/dl
- C. Venous blood pH 7.30
- D. Serum potassium 6 mEq/L
Correct answer: D
Rationale: A serum potassium level of 6 mEq/L indicates hyperkalemia, which can be life-threatening and requires immediate intervention. Hyperkalemia can lead to dangerous cardiac arrhythmias and must be addressed promptly. The other options are not as urgent. A blood urea nitrogen level of 50 mg/dl may indicate kidney dysfunction but does not require immediate intervention. Hemoglobin of 10.3 g/dl may suggest anemia, which needs management but is not an immediate threat. A venous blood pH of 7.30 may indicate acidosis, which is concerning but not as acutely dangerous as hyperkalemia.
3. A client with a history of seizures is being monitored with an electroencephalogram (EEG). Which of these interventions should the nurse perform to prepare the client for the test?
- A. Instruct the client to avoid caffeine for 8 hours before the test
- B. Explain the procedure to the client and obtain consent
- C. Administer anticonvulsant medication as ordered
- D. Instruct the client to wash their hair the morning of the test
Correct answer: A
Rationale: Instructing the client to avoid caffeine for 8 hours before the EEG is essential. This intervention helps ensure accurate test results by preventing stimulation of the nervous system, which could interfere with the interpretation of the brain's electrical activity. Explaining the procedure and obtaining consent are important steps but do not directly impact the test results. Administering anticonvulsant medication as ordered is a medical intervention and not a preparation step for the test. Instructing the client to wash their hair the morning of the test is not necessary for EEG preparation.
4. A nurse is assisting with the development of an education program for a community group about intake of vitamins and minerals in the diet. Which of the following foods should the nurse recommend as the best source of vitamin C?
- A. ½ cup green pepper
- B. 1 medium orange
- C. ½ cup cabbage
- D. 1 medium tomato
Correct answer: B
Rationale: The correct answer is B: 1 medium orange. Oranges are well-known for being rich in vitamin C, an essential nutrient for immune function and skin health. While choices A, C, and D also contain some vitamin C, the medium orange provides a higher amount of this vitamin compared to a ½ cup of green pepper, ½ cup of cabbage, or a medium tomato.
5. A 20-year-old client has an infected leg wound from a motorcycle accident and has returned home from the hospital. The client is to keep the affected leg elevated and is on contact precautions. The client wants to know if visitors can come. The appropriate response from the home health nurse is that:
- A. Visitors must wear a mask and a gown
- B. There are no special requirements for visitors of clients on contact precautions
- C. Visitors should wash their hands before and after touching the client
- D. Visitors -
Correct answer: C
Rationale: The correct answer is C: 'Visitors should wash their hands before and after touching the client.' When a client is on contact precautions, it is essential for visitors to practice good hand hygiene to prevent the spread of infection. While wearing a mask and a gown might be necessary for healthcare providers, it is not typically required for visitors. Option B is incorrect because there are indeed special requirements for visitors on contact precautions, including practicing good hand hygiene. Option D is incomplete and does not provide any guidance on infection prevention measures.
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