Regulation of B.P.

Regulation of Blood Pressure Which of the following plays the most important role in the short-term regulation of blood pressure?

Renin-angiotensin system

Baroreceptor reflex

Aldosterone secretion

Atrial natriuretic peptide

The normal resting pulse rate in a healthy adult is:

40–60 beats/min

60-100 beats/min

100–120 beats/min

120-140 beats/min

The P wave in an ECG represents:

Ventricular depolarization

Ventricular repolarization

Atrial depolarization

Atrial repolarization

Which hormone causes vasoconstriction and increases blood pressure?

Epinephrine

Aldosterone

Vasopressin (ADH)

Both a & c

The QRS complex duration normally is:

< 0.12 seconds

< 0.20 seconds

> 0.30 seconds

1 second

Regulation of B.P.

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