ATI Pharmacology Test Bank

Correct Answer: D

Rationale: Activated partial thromboplastin time (aPTT) is the correct laboratory test to monitor while a client is receiving Heparin. This test is used to assess the therapeutic levels of heparin in the blood, ensuring that the dose is within the safe and effective range. Monitoring aPTT helps healthcare providers adjust the dosage of Heparin to prevent complications such as bleeding or clotting.

Correct Answer: C

Rationale: Phenytoin is primarily used to diminish seizure activity and is effective in terminating ventricular arrhythmias. It works by stabilizing neuronal membranes, reducing repetitive neuronal firing, and limiting the spread of seizure activity in the brain. While phenytoin does not have a direct role in preventing thrombus formation or extending existing thrombi, it is crucial in managing seizures and certain arrhythmias.

Correct Answer: C

Rationale: Red Man Syndrome is a common adverse effect of vancomycin characterized by flushing and rash. It is not related to nephrotoxicity, hepatotoxicity, or diarrhea. Monitoring for this reaction allows for prompt intervention to prevent severe complications.

Correct Answer: A

Rationale: Somatropin is known to cause hyperglycemia as a common adverse effect. Therefore, the client should be instructed to monitor for elevated blood glucose levels closely while taking this medication to ensure early detection and management of hyperglycemia.

Correct Answer: D

Rationale: When using Nitroglycerine (transdermal), it should be applied for 10-12 hours per day to ensure its effectiveness. A nitrate-free period within the day is essential to prevent the development of tolerance to the medication.