Control of Arterial Blood Pressure

Question 1

What is blood pressure

Answer 1

the outwards pressure applied by blood to the blood vessels

Question 2

What is systolic Arterial blood pressure

Answer 2

• The pressure exerted by blood on the walls of the aorta and the systemic arteries when the heart contracts
• Should not reach or exceed above 140 mm Hg under resting conditions

Question 3

What is Diastolic Arterial blood pressure

Answer 3

• The pressure exerted by the blood on the walls of the Aorta and systemic arteries when the heart relaxes
• Should not reach or exceed above 90 mm Hg under resting conditions

Question 4

What is the definition of hypertention

Answer 4

• Clinical blood pressure of 140/90 mm Hg or higher
• Day time average of 135/85 MM Hg or higher

Question 5

what are the values for

1. low blood pressure
2. ideal blood pressure
3. pre-high blood pressure
4. high blood pressure

Answer 5

Question 6

What is pulse pressure and what it the normal value

Answer 6

• Difference between systolic and diastolic blood pressues
• normally 30-50 mm Hg

Question 7

What drives the systemic circulaiton

Answer 7

A pressure gradient between the aorta and the right atrium drives the blood around the systemic circulation

Question 8

What are the 2 kortokoff sounds

Answer 8

1. systolic Bp

• first sound heard

5. Diastolic Bp

• Point at which sound disappears

Question 9

What is the Baroreceptor responce to increased blood pressure

Answer 9

Question 10

what is the barorecptor responce to Decreased blood pressure

Answer 10