Circulatory System

Question 1

What is the circulatory system composed of?

Answer 1

Cardiovascular system

Lymphatic system

Question 2

What is the cardiovascular system composed of?

Answer 2

Pulmonary and systemic circulation

Question 3

What are the Great Vessels?

Answer 3

Vessels directly connected to the heart chambers

Question 4

What is contained in a NVB?

Answer 4

Artery
Vein
Nerve

Question 5

What is an anastomosis?

Answer 5

Connection between arteries without a capillary network in between?

Question 6

Example of an anastomosis?

Answer 6

Circle of Willis

Limb joints

Question 7

What is an end artery?

Answer 7

Only arterial blood supply to a particular area

Question 8

Example of an end artery?

Answer 8

Central artery if retina
Digital
Coronary

Question 9

What is sympathetic tone (tonus)?

Answer 9

Constant low level contraction of smooth muscle

Question 10

What are the 4 parts of the Aorta?

Answer 10

Ascending
Arch
Thoracic
Abdominal

Question 11

What are the 3 branches of the arch of the aorta?

Answer 11

Brachiocephalic trunk (right common carotid and right subclavian)
Left common carotid
Left subclavian

Question 12

What does the common carotid bifurcate into?

Answer 12

External carotid

Internal carotid

Question 13

What does the carotid sinus do?

Answer 13

Detects changes in arterial BP

Question 14

What does the carotid body do?

Answer 14

Detects blood gas levels and pH

Question 15

What Cranial Nerve inervates the carotid sinus and carotid body?

Answer 15

Glossopharyngeal Nerve

CNIX

Question 16

What arteries supply the brain?

Answer 16

Internal carotid

Vertebral artery

Question 17

Through what route does the carotid artery reach the brain?

Answer 17

Via the Carotid canal

Question 18

How does the vertebral artery reach the brain?

Answer 18

Through the foramen magnum

Question 19

What forms the Basilar artery?

Answer 19

The left and right vertebral artery

Question 20

What aspect of the brain is the circle of Willis

Answer 20

Inferior aspect

Question 21

What does the Abdominal Aorta bifurcate into?

Answer 21

The common iliac arteries

Question 22

What do the common iliac arteries supply?

Answer 22

The pelvis
Perineum
Lower limbs

Question 23

What do the common iliacs bifurcate into?

Answer 23

Internal iliac artery

External iliac artery

Question 24

What does the internal iliac artery supply?

Answer 24

Pelvis

Perineum

Question 25

What does the external iliac artery supply?

Answer 25

Lower limb

Question 26

What pulses is in the neck?

Answer 26

Carotid pulse

Question 27

What are the pulses in the upper limb?

Answer 27

Brachial pulse | Radial pulse

Question 28

What are the pulses of the lower limb?

Answer 28

Femoral Popliteal Posterior tibial Dorsalis Pedis

Question 29

What pumps the venous blood back towards the heart?

Answer 29

Skeletal muscle pump Venous valves Pressure changes in the chest cavity due to breathing

Question 30

What are the 2 sets of veins?

Answer 30

Superficial | Deep

Question 31

Where do the superficial veins run?

Answer 31

Superficial fascia

Question 32

Where do the deep veins run?

Answer 32

Deep fascia

Question 33

What are the 2 main venous systems?

Answer 33

Hepatic portal venous system | Systemic venous system

Question 34

What does the hepatic portal venous system do?

Answer 34

Drains venous blood from the absorptive parts of the GI tract and associated organs to the liver for cleaning.

Question 35

What does the systemic venous system do?

Answer 35

Drains venous blood from all other organs and tissues to the SVC of IVC.

Question 36

What do lymph nodes contain?

Answer 36

WBCs to filter fluid and fight infection

Question 37

Where is lymph drained into?

Answer 37

The central veins at the root of the neck at the venous angles.

Question 38

Where does the upper right quadrant lymph drain into?

Answer 38

The right venous angle via the right lymphatic duct

Question 39

Where does the rest of the body’s lymph drain into?

Answer 39

The left venous angle via the thoracic duct