ATI Pharmacology Proctored Exam 2024

Correct Answer: A

Rationale: Ondansetron, an antiemetic, should be taken 30 minutes before chemotherapy to prevent nausea and vomiting. This timing allows the medication to be most effective in controlling chemotherapy-induced nausea and vomiting.

Correct Answer: B

Rationale: Phenytoin is primarily used as an anticonvulsant to prevent and control seizures. It works by stabilizing electrical activity in the brain, making it effective in managing conditions like epilepsy. Antidiabetic medications are used to regulate blood sugar levels, mood stabilizers help manage mood disorders, and antianxiety agents are used to reduce anxiety symptoms, none of which are the primary therapeutic action of Phenytoin.

Correct Answer: D

Rationale: The correct recommendation for taking calcium carbonate antacid is to drink a glass of water after taking the medication. This practice enhances the effectiveness of the antacid by promoting its dissolution and absorption in the stomach, providing relief from symptoms of heartburn and indigestion.

Correct Answer: A

Rationale: The correct answer is to expect to feel drowsy. Clonidine is known to cause drowsiness, especially at the beginning of treatment. It is important for clients to be cautious with activities that require alertness until they understand how the medication affects them.

Correct Answer: D

Rationale: A therapeutic response to levothyroxine is indicated by a decrease in the level of TSH. This decrease signifies that the body requires less stimulation to produce thyroid hormone, reflecting a normalization of thyroid function due to the medication's effectiveness.