Hypertension

Question 1

Blood pressure is the product of what two things?

Answer 1

1. Cardiac Output

2. Total peripheral resistance

Question 2

The risk of vascular complication increases progressively and _________ with higher BP values.

Answer 2

Linearly - cutoff points are arbitrary

Question 3

What is the definition of hypertension?

Answer 3

> 140/90 consistantly

Question 4

What four main things contribute to systemic arterial bp?

Answer 4

1. Central/Autonomic Nervous System
2. Renin-Angiotensin, Aldosterone
3. Vascular endothelium/locally released regulators
4. Kidneys

Question 5

What are the major target organs for destructive complications of chronic HTN?

Answer 5

1. Heart
2. Cerebrovascular system
3. Aorta
4. Peripheral vascular system
5. Kidney
6. Retina

Question 6

An increase in BP is sensed by the baroreceptors which ________ impulse transmission to the ________________ to inhibit sympathetic output and stimulate parasympathetic effects.

Answer 6

Increase

Medulla - tractus solitaries

Question 7

How do beta blockers reduce BP?

Answer 7

1. Dec CO: dec HR and contractility

2. Decrease renin secretion