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A. The patient's blood pressure must remain elevated during several separate assessments in order to make a diagnosis of hypertension. Hypertension is diagnosed based on persistently elevated blood pressure readings across multiple visits, rather than a single elevated measurement.
B. The patient appeared extremely stressed and the health care provider decided not to inform the patient of the diagnosis at that appointment. While stress can temporarily elevate blood pressure, a diagnosis should be based on multiple readings rather than withholding information from the patient.
C. The patient's primary health care provider must consult with a cardiologist in order to make a diagnosis of hypertension. A cardiology consult is not required to diagnose hypertension; primary care providers can diagnose and manage hypertension independently.
D. The patient's blood pressure must be at least 180/100 during a single assessment in order for a diagnosis of hypertension to be made. A reading of 180/100 mmHg indicates hypertensive crisis, but hypertension is diagnosed when blood pressure is consistently ≥140/90 mmHg on multiple occasions.

A. Body temperature follows a circadian rhythm, typically being lowest in the early morning (around 4–6 AM) and peaking in the late afternoon or evening.
B. Stress activates the sympathetic nervous system, which increases metabolic activity and raises body temperature rather than lowering it.
C. Physical activity generates heat, leading to an increase in body temperature, not a decrease.
D. While some surgical preparations involve cooling the patient, body temperature is not naturally lower before surgery. Instead, preoperative anxiety may even cause a slight increase in temperature.