CVS - Blood Pressure

Question 1

Blood pressure refers to

Answer 1

arterial blood pressure within systemic arteries

Question 2

Factors that affect BP

Answer 2

Cardiac Output

Total Peripheral Resistance (TPR)

Question 3

Total Peripheral Resistance (TPR) affected by

Answer 3

Blood vessel length
Blood viscosity
Blood vessel radius

Question 4

Most resistance within CVS is due to

Answer 4

the arterioles

Question 5

The diameter of arterioles can influence

Answer 5

TPR

Blood flow to capillaries

Question 6

Hormones that cause vasoconstriction in arterioles

Answer 6

Plasma adrenaline
Angiotensin II
ADH

Question 7

BP is monitored by

Answer 7

Baroreceptors

Question 8

Baroreceptors are located within arteries in

Answer 8

Aortic Arch

Carotid Sinus

Question 9

Baroreceptors are

Answer 9

stretch receptors

Question 10

If BP falls what sequence of events increased BP?

Answer 10

Vasoconstriction
Increased HR
Increased SV
Decrease urine output

Question 11

Tachycardia is when

Answer 11

HR speeds up

Question 12

What causes circulatory shock

Answer 12

Loss of Blood
Loss of Fluid - Burns
Heart Failure
Widespread vasodilation

Question 13

Widespread vasodilation - causes

Answer 13

Septic shock
Anaphylaxis
Neurogenic injury - spinal cord