HESI RN
Pharmacology HESI
1. A healthcare professional is planning to administer amlodipine (Norvasc) to a client. The healthcare professional plans to check which of the following before giving the medication?
- A. Respiratory rate
- B. Blood pressure and heart rate
- C. Heart rate and respiratory rate
- D. Level of consciousness and blood pressure
Correct answer: B
Rationale: Before administering amlodipine, it is important to check the client's blood pressure and heart rate. Amlodipine is known to lower blood pressure and heart rate as part of its mechanism of action. Monitoring these vital signs helps ensure the safety of the client and allows for appropriate assessment of the medication's effects post-administration.
2. A client who has been taking isoniazid (INH) for tuberculosis asks the nurse about the medication. Which statement by the client indicates the need for further teaching?
- A. I should limit my alcohol intake.
- B. I should notify my doctor if I notice a yellowish skin color.
- C. I should take the medication with an empty stomach.
- D. I should notify my doctor if I experience numbness and tingling in my extremities.
Correct answer: C
Rationale: Isoniazid (INH) is best absorbed when taken on an empty stomach. However, if gastrointestinal upset occurs, it can be taken with food. Limiting alcohol intake, monitoring for jaundice, and notifying the doctor of peripheral neuropathy symptoms are all appropriate actions while taking INH.
3. A client is prescribed calcium gluconate after thyroidectomy. The medication is most likely prescribed to:
- A. Treat thyroid storm.
- B. Prevent cardiac irritability.
- C. Treat hypocalcemic tetany.
- D. Stimulate the release of parathyroid hormone.
Correct answer: C
Rationale: After a thyroidectomy, the parathyroid glands can be inadvertently removed or damaged, leading to a decrease in calcium levels and potentially causing hypocalcemic tetany. Calcium gluconate is given to supplement calcium levels and prevent or treat hypocalcemia-related symptoms, such as muscle spasms and tetany.
4. Oral iron supplements are prescribed for a 6-year-old child with iron deficiency anemia. The nurse instructs the mother to administer the iron with which of the following food items?
- A. Milk
- B. Water
- C. Apple juice
- D. Orange juice
Correct answer: D
Rationale: Iron absorption is enhanced by the presence of vitamin C. Orange juice is a good source of vitamin C, which can improve the absorption of iron when taken together. Therefore, administering iron supplements with orange juice is the best choice to optimize iron absorption for the child.
5. A client who is receiving digoxin (Lanoxin) daily has a serum potassium level of 3.0 mEq/L and is complaining of anorexia. A healthcare provider prescribes a digoxin level to rule out digoxin toxicity. A nurse checks the results, knowing that which of the following is the therapeutic serum level (range) for digoxin?
- A. 3 to 5 ng/mL
- B. 0.5 to 2 ng/mL
- C. 1.2 to 2.8 ng/mL
- D. 3.5 to 5.5 ng/mL
Correct answer: B
Rationale: The therapeutic serum level for digoxin ranges from 0.5 to 2 ng/mL. This range is considered optimal for therapeutic effects while minimizing the risk of toxicity. Levels above 2 ng/mL may lead to digoxin toxicity, which can manifest as anorexia among other symptoms. Therefore, the nurse should be vigilant in monitoring the digoxin levels to ensure the client's safety and therapeutic effectiveness of the medication.
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