ATI RN
ATI Pharmacology Quizlet
1. A healthcare professional is preparing to administer Haloperidol 2 mg PO every 12 hr. The available dosage is haloperidol 1 mg/tablet. How many tablets should the healthcare professional administer?
- A. 1 tablet
- B. 2 tablets
- C. 3 tablets
- D. 4 tablets
Correct answer: B
Rationale: To determine the number of tablets needed, divide the desired dose by the dose per tablet. In this case, (2 mg / 1 mg/tablet) = 2 tablets required to administer the prescribed dose of Haloperidol.
2. A client receives a local anesthetic of Lidocaine during the repair of a skin laceration. For which of the following adverse reactions should the nurse monitor the client?
- A. Seizures
- B. Tachycardia
- C. Hypertension
- D. Fever
Correct answer: A
Rationale: Seizures are a potential adverse reaction to local anesthetics like Lidocaine. Lidocaine can affect the central nervous system and, in some cases, lead to seizure activity. Therefore, it is important for the nurse to monitor the client for any signs of seizures during and after the administration of Lidocaine.
3. 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.
4. A hospitalized client has an activated partial thromboplastin time (aPTT) greater than 1.5 times the expected reference range. Which of the following blood products should be prepared for transfusion?
- A. Whole blood
- B. Platelets
- C. Fresh frozen plasma
- D. Packed red blood cells
Correct answer: C
Rationale: Fresh frozen plasma is the appropriate blood product for a client with an elevated aPTT as it contains various coagulation factors that can help correct coagulopathies and prevent bleeding. Elevated aPTT indicates a deficiency in specific clotting factors, and fresh frozen plasma is rich in these factors. Whole blood, platelets, and packed red blood cells do not contain the necessary coagulation factors to correct an elevated aPTT, so they are not indicated in this situation.
5. When teaching the parents of a child who has a new prescription for Desipramine, which of the following adverse effects should the nurse instruct the parents is the priority to report to the provider?
- A. Constipation
- B. Suicidal thoughts
- C. Photophobia
- D. Dry mouth
Correct answer: B
Rationale: The priority adverse effect to report when a child is taking Desipramine is suicidal thoughts. Desipramine can lead to an increased risk of suicidal thoughts and behaviors. The nurse should emphasize to the parents the importance of monitoring the child for any signs of worsening depression or suicidal ideation. Prompt reporting of such symptoms can help prevent harm to the child. Choices A, C, and D are not the priority adverse effects associated with Desipramine. While constipation, photophobia, and dry mouth can occur as side effects of Desipramine, they are not as critical as the risk of suicidal thoughts, which requires immediate attention to ensure the safety of the child.
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