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HESI Pharmacology Practice Exam Questions and Answers (2022/2023) (Verified Answers by Expert)
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HESI Pharmacology Practice Exam Questions and Answers (2022/2023) (Verified Answers by Expert)
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HESI Pharmacology Exam Practice Questions andAnswers (Verified Answers)
1. 1) A nurse is caring for a client with hyperparathyroidism and notes
that the client's serum calcium level is 13 mg/dL. Which medication
should the nurse prepare to administer as prescribed to the client?
1.Calcium chloride
2.Calcium gluconate
3.Calcitonin (Miacalcin)
4.Large doses of vitamin D: 3. Calcitonin (Miacalcin) Rationale:
The normal serum calcium level is 8.6 to 10.0 mg/dL. This client is experiencing hypercalcemia. Calcium gluconate and calcium chloride are medications used for the treatment of tetany, which occurs as a result of acute hypocalcemia. In hypercalcemia, large doses of vitamin
D need to be avoided. Calcitonin, a thyroid hormone, decreases the plasma calcium level by inhibiting bone resorption and lowering the serum calcium concentration.
2. 2.) 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 best food item?
1.Milk
2.Water
3.Apple juice
4.Orange juice: 4. Orange juice Rationale:
Vitamin C increases the absorption of iron by the body. The mother should be instructed to administer the medication with a citrus fruit or a juice that is high in vitamin C. Milk may affect absorption of the iron. Water will not assist in absorption. Orange juice contains a greater amount of vitamin C than apple juice.
3. 3.) Salicylic acid is prescribed for a client with a diagnosis of psoriasis.
The nurse monitors the client, knowing that which of the following would
indicate the presence of systemic toxicity from this medication?
1.Tinnitus
2.Diarrhea
3.Constipation
4.Decreased respirations: 1. Tinnitus Rationale:
Salicylic acid is absorbed readily through the skin, and systemic toxicity (salicylism) can result. Symptoms include tinnitus, dizziness, hyperpnea, and psychological disturbances. Constipation and diarrhea are not associated with salicylism. . 4.) The camp nurse asks the children preparing to swim in the lake if they have applied sunscreen. The nurse reminds the children that chemical sunscreens are most effective when applied:
1.Immediately before swimming
2.15 minutes before exposure to the sun
3.Immediately before exposure to the sun
4.At least 30 minutes before exposure to the sun: 4. At least 30 minutes before exposure to the sun
Rationale:
Sunscreens are most effective when applied at least 30 minutes
before exposure to the sun so that they can penetrate the skin. All
sunscreens should be reapplied after swimming or sweating.
5.) Mafenide acetate (Sulfamylon) is prescribed for the client
with a burn in- jury. When applying the medication, the client
complains of local discomfort and burning. Which of the
following is the most appropriate nursing action?
1.Notifying the registered nurse
2.Discontinuing the medication
3.Informing the client that this is normal
4.Applying a thinner film than prescribed to the burn site: 3. Informing the client that this is normal
Rationale:
Mafenide acetate is bacteriostatic for gram-negative and gram-
positive organisms and is used to treat burns to reduce bacteria present in avascular tissues. The client should be informed that the
medication will cause local discomfort and burning and that this is a
normal reaction; therefore options 1, 2, and 4 are incorrect
6. 6.) The burn client is receiving treatments of topical mafenide acetate (Sulfamylon) to the site of injury. The nurse monitors the client, knowing that which of the following indicates that a systemic effect has occurred? 1.Hyperventilation
2.Elevated blood pressure 3.Local pain at the burn site
4.Local rash at the burn site: 1.Hyperventilation Rationale:
Mafenide acetate is a carbonic anhydrase inhibitor and can suppress renal excre- tion of acid, thereby causing acidosis. Clients receiving this treatment should be monitored for signs of an acid-base imbalance (hyperventilation). If this occurs, the medication should be discontinued for 1 to 2 days. Options 3 and 4 describe local rather than systemic effects. An elevated blood pressure may be expected from the pain that occurs with a burn injury.
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