Chapter 5 - General Anatomy and Physiology, Circulation

Question 1

What is internal respiration?

Answer 1

The exchange of oxygen and carbon dioxide between the capillaries.

Question 2

What is external respiration?

Answer 2

The exchange of oxygen and carbon dioxide from the air into the lungs and vice versa.

Question 3

How is blood pressure measured?

Answer 3

Systolic Pressure / Diastolic pressure

Question 4

What is a healthy, usual range blood pressure?

Answer 4

120/80

Question 5

What are the four sites of where the pulse can be taken?

Answer 5

Carotid (neck)
Brachial (Inner surface of elbow)
Radial (Wrists)
Femoral (Top of inner thighs)

Question 6

What is blood composed of?

Answer 6

Several cell types floating in Plasma

Question 7

What does plasma look like?

Answer 7

A straw coloured fluid

Question 8

What cells are in blood?

Answer 8

Erythrocytes
Leucocytes
Platelets

Question 9

What are Erythrocytes?

Answer 9

Red blood cells

Question 10

What are Leucocytes?

Answer 10

White blood cells

Question 11

What are Platelets?

Answer 11

Thrombocytes (Fragments of larger blood cells called megakaryocytes)

Question 12

What is the main function of Erythrocytes (red blood cells)?

Answer 12

To transport oxygen around the body

Question 13

What special feature allows Erythrocytes (red blood cells) to transport oxygen around the body?

Answer 13

Lack of nucleus

Question 14

What gives erythrocytes (red blood cells) their red colour?

Answer 14

Haemoglobin

Question 15

What is the main function of Leucocytes (White blood cells)?

Answer 15

Defending the body against attack by micro-organisms and disease.