HESI RN
Pharmacology HESI Quizlet
1. A client who is taking hydrochlorothiazide (HydroDIURIL, HCTZ) has been started on triamterene (Dyrenium) as well. The client asks the nurse why both medications are required. The nurse formulates a response, based on the understanding that:
- A. Both are weak potassium-losing diuretics.
- B. The combination of these medications prevents renal toxicity.
- C. Hydrochlorothiazide is less expensive, so using a combination of diuretics is cost-effective.
- D. Triamterene is a potassium-sparing diuretic, whereas hydrochlorothiazide is a potassium-losing diuretic.
Correct answer: D
Rationale: The combination of triamterene and hydrochlorothiazide is used because triamterene is a potassium-sparing diuretic, which helps retain potassium, while hydrochlorothiazide is a potassium-losing diuretic, which promotes potassium excretion. This combination helps balance potassium levels in the body, preventing imbalances that can occur when using potassium-losing diuretics alone.
2. A client is prescribed nitroglycerin (Nitro-Dur) transdermal patch for angina. Which instruction should the nurse include in the client's teaching plan?
- A. Apply the patch to a hairless area of skin.
- B. Leave the patch on for 24 hours.
- C. Apply the patch at the same time each day.
- D. You can keep the patch on while taking a shower.
Correct answer: C
Rationale: The correct instruction for the nurse to include in the client's teaching plan is to apply the nitroglycerin (Nitro-Dur) transdermal patch at the same time each day. This consistency helps maintain steady blood levels of the medication. While it is important to apply the patch to a hairless area of the skin for proper absorption, it does not necessarily have to be left on for 24 hours; typically, it is worn for 12-14 hours to allow for a nitrate-free period and reduce tolerance. Additionally, the patch can generally be kept on while taking a shower, as water exposure does not typically affect its efficacy.
3. A client is being taught about the use of enoxaparin (Lovenox) for the prevention of deep vein thrombosis. Which instruction should the nurse include in the teaching plan?
- A. Inject the medication subcutaneously.
- B. Avoid massaging the injection site after administration.
- C. Administer the medication at the same time each day.
- D. Do not expel the air bubble from the syringe before injection.
Correct answer: C
Rationale: Enoxaparin (Lovenox) is administered subcutaneously at the same time each day to maintain consistent blood levels. Injecting the medication into the muscle is incorrect, as it should be given subcutaneously. Massaging the injection site should be avoided to prevent bruising. The air bubble in the prefilled syringe should not be expelled, as it ensures the full dose is administered.
4. Phenazopyridine hydrochloride (Pyridium) is prescribed for a client for symptomatic relief of pain resulting from a lower urinary tract infection. The nurse reinforces to the client:
- A. To take the medication after meals
- B. To take the medication before meals
- C. To discontinue the medication if a headache occurs
- D. That a reddish-orange discoloration of the urine may occur
Correct answer: D
Rationale: The nurse should instruct the client that a reddish-orange discoloration of urine may occur. The nurse should also educate the client that this discoloration can stain fabric. It is recommended to take the medication after meals to reduce the possibility of gastrointestinal upset. While a headache is an occasional side effect of the medication, it does not warrant discontinuation of the medication.
5. 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?
- A. Tinnitus
- B. Diarrhea
- C. Constipation
- D. Decreased respirations
Correct answer: A
Rationale: The correct answer is A: Tinnitus. Salicylic acid can lead to systemic toxicity, known as salicylism, which may manifest with symptoms like tinnitus, dizziness, hyperventilation, and mental disturbances. Tinnitus is a common early sign of salicylism and should be monitored closely by the nurse to prevent further complications.
Similar Questions
Access More Features
HESI RN Basic
$69.99/ 30 days
- 5,000 Questions with answers
- All HESI courses Coverage
- 30 days access
HESI RN Premium
$149.99/ 90 days
- 5,000 Questions with answers
- All HESI courses Coverage
- 30 days access