ATI RN
ATI Pharmacology Proctored Exam
1. A child is prescribed Amoxicillin 20 mg/kg/day PO to be administered every 12 hr. The child weighs 44 lb. The available medication is amoxicillin suspension 250 mg/5 mL. How many mL should be given per dose?
- A. 4 mL
- B. 5 mL
- C. 6 mL
- D. 3 mL
Correct answer: A
Rationale: To calculate the dosage per administration: Convert the weight to kg (44 lb / 2.2 lb/kg = 20 kg). Then, (20 mg/kg/day x 20 kg) / 2 (for every 12 hr dosing) = 200 mg per dose. (200 mg / 250 mg) x 5 mL = 4 mL per dose. Therefore, the nurse should administer 4 mL of amoxicillin suspension per dose. Choice B, 5 mL, is incorrect because the calculation shows that 4 mL is the correct dose. Choices C and D are also incorrect as they are not in line with the calculated dosage based on the weight of the child and the concentration of the medication.
2. A healthcare provider is providing instructions to the parent of an adolescent client who has a new prescription for Albuterol, PO. Which of the following instructions should the healthcare provider include?
- A. You should not use this medication for an acute asthma attack.'
- B. Tremors may be an adverse effect of this medication.'
- C. Long-term use of this medication can lead to hyperglycemia.'
- D. This medication can inhibit skeletal growth.'
Correct answer: B
Rationale: Tremors may occur as a result of excessive stimulation of beta2 receptors in skeletal muscles when using Albuterol. It is important to educate the parent about potential adverse effects to ensure proper monitoring and management of the adolescent client's medication regimen.
3. The nurse is caring for a client who has chronic angina. Treatment for the condition has been unsuccessful. Which medication does the nurse anticipate will be prescribed?
- A. Atenolol (Tenormin)
- B. Nitroglycerin (Nitrostat)
- C. Sildenafil (Viagra)
- D. Ranolazine (Ranexa)
Correct answer: D
Rationale: In cases of chronic angina where initial treatment has not been successful, Ranolazine (Ranexa) is often prescribed. This medication helps by reducing the frequency of angina episodes. Atenolol, Nitroglycerin, and Sildenafil are also used in angina management but Ranolazine is more specifically indicated in cases of refractory angina where other treatments have failed.
4. A client's serum Calcium is 8.8 mg/dL. Which of the following medications should the nurse anticipate administering to this client?
- A. Calcitonin-salmon
- B. Calcium carbonate
- C. Zoledronic acid
- D. Ibandronate
Correct answer: B
Rationale: The client's serum calcium level is below the expected reference range. In this case, the appropriate medication to anticipate administering is Calcium carbonate, an oral form of calcium used to increase serum calcium levels to the expected reference range.
5. A healthcare professional is reviewing laboratory findings and notes that a client's plasma Lithium level is 2.1 mEq/L. Which of the following is an appropriate action by the healthcare professional?
- A. Perform immediate gastric lavage.
- B. Prepare the client for hemodialysis.
- C. Administer an additional oral dose of lithium.
- D. Request a stat repeat of the laboratory test.
Correct answer: A
Rationale: Performing immediate gastric lavage is the appropriate action for a client with severe lithium toxicity, indicated by a plasma lithium level of 2.1 mEq/L. Gastric lavage can help reduce the client's lithium level by removing the unabsorbed drug from the stomach.
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