A&P - Chapter 30 (Part 2)

Question 1

What is the average range for blood pressure?

Answer 1

120/80

Question 2

What is the formula for blood pressure?

Answer 2

Systole/dystole

Question 3

What are 6 factors that can fluctuate blood pressure?

Answer 3

1. Stress, emotions
2. Fitness level
3. Age, gender, race, weight
4. Hormones
5. Diseases
6. Tobacco, alcohol, caffeine and other drugs

Question 4

Hypertension

Answer 4

Higher than normal blood pressure

Question 5

What can hypertension cause?

Answer 5

Rupture of the blood vessels

Question 6

What symptoms occur during hypertension?

Answer 6

No symptoms

- silent killer

Question 7

Hypotension

Answer 7

Lower than normal blood pressure

Question 8

What happens if blood pressure is too low?

Answer 8

Blood may stop flowing

Question 9

What is blood pressure measured with?

Answer 9

A sphygmomanometer

Question 10

Central venous pressure

Answer 10

The venous blood pressure within the right atrium

- close to zero

Question 11

What does the central venous pressure influence?

Answer 11

The pressure that exists in the large peripheral veins

Question 12

What are the mechanisms that help to keep venous blood move through the circulatory system to the right atrium? (5)

Answer 12

1. Continued beating of the heart
2. Adequate blood pressure in the arteries to push blood to and through the veins
3. Semilunar valves in veins that ensure blood flow in one direction
   - towards the heart
4. Contraction of skeletal muscles
5. Changing pressures in the chest cavity during breathing also produces a kind of pumping action in the veins in the thorax

Question 13

Pulse

Answer 13

Alternate expansion and recoiling of an arterial vessel wall

Question 14

What are the 9 major pulse points?

Answer 14

1. Carotid artery
2. Radial artery
3. Femoral artery
4. Dorsalis pedis
5. Superficial temporal artery
6. Facial artery
7. Axillary artery
8. Brachial artery
9. Popliteal