HESI RN
HESI RN CAT Exit Exam
1. A 9-year-old received a short arm cast for a right radius. To relieve itching under the child's cast, which instructions should the nurse provide to the parents?
- A. Blow cool air from a hair dryer under the cast
- B. Twist the cast back and forth
- C. Shake powder into the cast
- D. Push a pencil under the cast edge
Correct answer: A
Rationale: The correct answer is A: 'Blow cool air from a hairdryer under the cast.' Blowing cool air can help relieve itching without damaging the cast or causing injury. Choice B, twisting the cast back and forth, can lead to discomfort, skin irritation, or even injury. Choice C, shaking powder into the cast, can create a mess, increase the risk of skin issues, and interfere with proper healing. Choice D, pushing a pencil under the cast edge, is dangerous as it can cause injury to the child's skin or the underlying tissues. Therefore, the safest and most effective option to relieve itching under the cast is to blow cool air from a hair dryer.
2. A client with diabetes mellitus has a blood glucose level of 350 mg/dL. Which of these actions should the nurse take first?
- A. Administer insulin as ordered
- B. Encourage the client to drink fluids
- C. Notify the healthcare provider
- D. Recheck the blood glucose level in 30 minutes
Correct answer: A
Rationale: Administering insulin as ordered is the priority action when a client with diabetes mellitus has a blood glucose level of 350 mg/dL. Insulin helps to lower the high blood glucose level and prevent complications such as diabetic ketoacidosis. Encouraging the client to drink fluids may be beneficial but does not address the immediate need to lower the blood glucose level. Notifying the healthcare provider and rechecking the blood glucose level can be important steps but should come after administering insulin to address the high glucose level promptly.
3. What is the mechanism of action of corticotropin (Acthar) when prescribed as replacement therapy for a male client who has undergone surgical removal of a pituitary tumor?
- A. It decreases cyclic adenosine monophosphate (cAMP) production and affects the metabolic rate of target organs.
- B. It interacts with plasma membrane receptors to inhibit enzymatic actions.
- C. It interacts with plasma membrane receptors to produce enzymatic actions that affect protein, fat, and carbohydrate metabolism.
- D. It regulates the threshold for water reabsorption in the kidneys.
Correct answer: C
Rationale: Corticotropin (ACTH) stimulates the adrenal cortex to secrete cortisol and other hormones, affecting protein, fat, and carbohydrate metabolism. Choice A is incorrect because corticotropin does not decrease cAMP production; instead, it stimulates enzymatic actions. Choice B is incorrect because corticotropin does not inhibit enzymatic actions but rather produces enzymatic actions. Choice D is incorrect because corticotropin's mechanism of action does not involve regulating the threshold for water reabsorption in the kidneys.
4. The nurse is preparing a teaching plan for a client diagnosed with asthma. The primary purpose of the plan is to
- A. Prevent respiratory infections
- B. Prevent airway inflammation
- C. Maintain an open airway
- D. Avoid allergens that trigger attacks
Correct answer: D
Rationale: Avoiding allergens that trigger asthma attacks is crucial in managing the condition and preventing exacerbations. While preventing respiratory infections and maintaining an open airway are important aspects of asthma management, the primary focus of the teaching plan is to help the client identify and avoid allergens that could trigger asthma attacks. This proactive approach can significantly reduce the frequency and severity of asthma symptoms.
5. While taking trimethoprim-sulfamethoxazole (TMP-SMZ), a client should be instructed to report which symptom if it develops during the course of this medication therapy?
- A. Nausea
- B. Diarrhea
- C. Headache
- D. Sore throat
Correct answer: D
Rationale: Clients prescribed trimethoprim-sulfamethoxazole (TMP-SMZ) should be educated about potential blood disorders associated with the medication. Early signs of these disorders include symptoms like sore throat, fever, and pallor. If the client experiences any of these symptoms, they should promptly notify their healthcare provider. Nausea, diarrhea, and headache are common side effects of TMP-SMZ that usually do not require immediate medical attention.