A 10-year old Golden Retriever presents with a history of unsteady gait. The owner reports she is walking like she is drunk and she has vomited a few times. You are taking a history in the room and notice her tilting her head to the left. Upon closer look at her face you see that her eyes are moving side to side rapidly. The veterinarian asks you to perform a blood pressure. The blood pressure is 200/120 mmHg. Answer the quiz questions, then scroll to the bottom for the answer explanations.
1) What medication may help to treat hypertension (high blood pressure) in this dog?