ATI RN
Proctored Pharmacology ATI
1. What is the antidote for Heparin?
- A. Protamine sulfate
- B. Narcan
- C. Romazicon
- D. Naloxone
Correct answer: A
Rationale: The correct answer is A: Protamine sulfate. Heparin is an anticoagulant medication used to prevent blood clots. In cases of overdose or excessive bleeding due to Heparin, protamine sulfate is administered as the specific antidote. Protamine sulfate works by neutralizing Heparin's anticoagulant activity. Choices B, C, and D are incorrect. Narcan (Naloxone) is used to reverse opioid overdose, Romazicon (Flumazenil) is used to reverse benzodiazepine overdose, and Naloxone is also used to reverse opioid overdose but is not the antidote for Heparin.
2. A healthcare professional is preparing to administer heparin 15,000 units subcutaneously every 12 hours. The available heparin injection is 20,000 units/mL. How many milliliters should the healthcare professional administer per dose?
- A. 0.8 mL
- B. 0.75 mL
- C. 0.5 mL
- D. 1 mL
Correct answer: A
Rationale: To calculate the volume to administer, use the formula: Desired dose / Concentration = Volume to administer. In this case, (15,000 units / 20,000 units/mL) = 0.75 mL. Since the volume needs to be rounded up to the nearest tenth, the correct answer is 0.8 mL. Choice B (0.75 mL) is incorrect because it does not account for rounding up the volume. Choices C (0.5 mL) and D (1 mL) are incorrect as they do not reflect the precise calculation based on the given concentration and desired dose.
3. A client has a new prescription for Propranolol. Which of the following findings should be identified as a contraindication to this medication?
- A. Asthma
- B. Diabetes mellitus
- C. Hypertension
- D. Glaucoma
Correct answer: A
Rationale: Corrected Rationale: Propranolol is a non-selective beta-blocker that can cause bronchoconstriction, making it contraindicated for clients with asthma. Asthma is a contraindication due to the potential for worsening bronchoconstriction and exacerbating respiratory symptoms. Choice B, diabetes mellitus, is not a contraindication for Propranolol. Choice C, hypertension, is actually an indication for Propranolol as it is commonly used to treat hypertension. Choice D, glaucoma, is not a contraindication for Propranolol use.
4. A client with HIV is beginning therapy with zidovudine. The nurse should monitor the client for which of the following adverse effects of this medication?
- A. Fatigue
- B. Blurred vision
- C. Ringing in the ears
- D. Constipation
Correct answer: A
Rationale: Fatigue is a common adverse effect of zidovudine due to its impact on bone marrow, leading to anemia. Zidovudine is known to suppress bone marrow function, resulting in decreased production of red blood cells and subsequently causing fatigue due to anemia. Monitoring for fatigue is essential to ensure early detection and management of this adverse effect.
5. When educating a client who has a new prescription for Hydrochlorothiazide, which of the following statements should the nurse include?
- A. Take this medication in the morning.
- B. You may need to increase your intake of potassium.
- C. This medication may cause drowsiness.
- D. Avoid consuming grapefruit.
Correct answer: B
Rationale: The correct statement to include when educating a client with a new prescription for Hydrochlorothiazide is that they may need to increase their intake of potassium. Hydrochlorothiazide is a thiazide diuretic that can lead to potassium loss. Monitoring potassium levels and increasing potassium intake if necessary can help prevent complications associated with hypokalemia. Option A is not directly related to the medication's specific instructions. Option C is incorrect as Hydrochlorothiazide typically does not cause drowsiness. Option D is unrelated, as there is no interaction between Hydrochlorothiazide and grapefruit.
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