Cardiovascular System

Question 1

Cardiovascular System Components

Answer 1

Heart
Blood Vessels
Blood

Question 2

Plasma

Answer 2

Liquid that carry’s blood cells

Red - Haemoglobin
White - Antibodies
Platelets - Clotting

Question 3

How is blood oxygenated

Answer 3

1) Blood passes through the capillaries to the alveoli in the lungs

2) 02 diffuses via alveolar membranes into blood plasma

Question 4

Haemoglobin

Answer 4

Oxygen carrying protein in red blood cell

Made in bone marrow

Question 5

De/Oxygenated Haemoglobin

Answer 5

Red saturated
Purple = Deoxygenated

Question 6

Anaemia

Answer 6

Low red blood cell count
Reduce Haemoglobin

• loss of blood/iron/pregnancy
• tired/pale/no energy/shortness of breath/heart

Question 7

Blood Donation

Answer 7

24 h before flying (Fainting)

Question 8

Cardiac Output Formula

Answer 8

Heart Rate x Stroke Volume

Question 9

Stroke Volume

Answer 9

Amount of blood pumped by one contraction

Question 10

AVG stroke volume

Answer 10

70ml/beat

Question 11

How do we measure blood pressure

Answer 11

Mmhg

Question 12

Average blood pressure

Answer 12

120/80

Question 13

What is peripheral resistance

Answer 13

A contributing factor to blood pressure

• size of blood vessel walls
• Blood viscosity
• Total vessel length

Question 14

What impacts pulse?

Answer 14

Physical exercise
Emotional arousal
Age
Body temp
Pain
Digestion

Question 15

Describe the pulmonary system

Answer 15

Delivers deoxygenated blood from right side of heart via pulmonary artery to lung and returned to heart via pulmonary veins with oxygen

Question 16

Cardiac Output

Answer 16

Volume of blood pumped by heart per min

Question 17

Anaemia

Answer 17

Low red blood cell count

• Tired
• Pale
• No energy
• shortness of breath
• palpitations

Question 18

Carbon Monoxide

Answer 18

X 200 binding
Causes hypoxia

Causes
- cigs
- incomplete combustion