Cardiovascular Revison

Question 1

Describe these blood pressure measurements.
1. 120
2. 80

Answer 1

1. Systolic pressure when ventricles contract.
   2.Diastole pressure when chambers are relaxed and filling with blood.

Question 2

Explain the electrical stimulation.

Answer 2

Impulse starts in SAN, travels to AVN causing atrial systole, passes from AVN through bundle of his and Purkinje fibres in the ventricle wall causing ventricular systole.

Question 3

ECG stands for?

Answer 3

Electrocardiogram

Question 4

Hormone that increases heart rate?

Answer 4

Adrenaline

Question 5

Receptors that detect pressure?

Answer 5

baro - receptors

Question 6

Receptors that detect CO2

Answer 6

Chemo-Receptors

Question 7

What is the blood flow through the heart?

Answer 7

Right Atrium - Right Ventricle - Pulmonary Artery -Lungs- Left Atrium - Left Ventricle - Aorta - Body - continues round.

Question 8

Define
1. Systole
2. Diastole

Answer 8

1. Contraction
2. Relaxation

Question 9

Description of Stroke?

Answer 9

Blockage to the carotid artery, preventing oxygenated blood from reaching the brain.

Question 10

Predisposing factors of a Stroke?

Answer 10

-Family History
-Chemical Damage due to smoking
-Pre-existing condition like hypertension

Question 11

Category of Stroke?

Answer 11

Cardiovascular Disease

Question 12

Description of Myocardial Infarction

Answer 12

Blockage if carotid artery, preventing blood reaching heart tissue.

Question 13

Predisposing factors of Myocardial Infarction?

Answer 13

-Chemical damage due to smoking
-Pre-existing condition like Hypertension.

Question 14

Description of Hypertention

Answer 14

Prolonged, elevated high blood pressure.

Question 15

Predisposing factors of Hypertension

Answer 15

-Age
A pre-existing condition such as -diabetes.
-lifestyle such as high fat/sugar diet
-lack of exercise.