Circulatory 1 (lec 24)

Question 1

Structure/ histological make up of different blood vessels

Question 2

Describe blood pressure

Answer 2

Pressure exerted on blood vessel walls by the blood

Question 3

Describe neural regulation of cardiovascular function

Answer 3

Medulla oblongata contains a group of nuclei called cardiovascular centre which monitors and regulates cardiovascular function

Question 4

Describe principal arteries of systemic circulation

Question 5

Primary function of cardiovascular system

Answer 5

• Transport substances to and from tissue and cells of the body
• regulate body temp
• regulate acid base balance
• defend from disease

Question 6

Blood vessels have 3 basic layers

Answer 6

Tunica externa (connective tissue)
Tunica media (smooth muscle & elastic connective tissue)
Tunica interna (epithelial tissue)

Question 7

Arteries carry blood

Answer 7

Away from heart

Question 8

Veins carry blood

Answer 8

To heart

Question 9

2 main circuits of the cardiovascular system

Answer 9

• systemic circulation
  
  • carry oxygenated blood from heart to body & return w/ deoxygenated
• pulmonary circulation
  
  • carry deoxygenated blood from heart to lungs & return w/ oxygenated

Question 10

Largest artery in body

Answer 10

Aorta

4 sections:

• ascending aorta (heart)
• arch of aorta (head, upper limbs, neck)
• thoracic aorta (thoracic cavity)
• abdominal cavity (abdomen, pelvic, lower limbs)

Question 11

Branches of the ascending aorta

Answer 11

• right and left coronary arteries

Question 12

What is A

Answer 12

Left common carotid artery

Question 13

What is B

Answer 13

Left subclavian artery

Question 14

What is C

Answer 14

Right common carotid artery

Question 15

What is D

Answer 15

Right subclavian artery

Question 16

What is E

Answer 16

Brachiocephalic trunk

Question 17

What is A

Answer 17

External carotid artery

Question 18

What is A

Answer 18

Brachial artery

Question 19

What is B

Answer 19

Axillary artery

Question 20

What is C

Answer 20

Radial artery

Question 21

What is D

Answer 21

Ulnar artery

Question 22

Bronchial arteries bring oxygenated blood to the ______

Answer 22

Lung tissue

Question 23

Bronchial veins bring ________ blood from lung tissue

Answer 23

Deoxygenated

Question 24

What is A

Answer 24

Inferior mesenteric artery

Question 25

What is B

Answer 25

Celiac trunk

Question 26

What is C

Answer 26

Superior mesenteric artery

Question 27

What are the unpaired visceral arteries of the abdominal aorta

Answer 27

- celiac trunk (supply blood to stomach, liver, pancreas, spleen, sm intestine) - superior mesenteric a. (Supply blood to sm & lg intestine) - inferior mesenteric a. (Supply blood to lg. intestine)

Question 28

What are the 3 paired visceral arteries of the abdominal aorta

Answer 28

- suprarenal a. (Supply blood: adrenal glands) - renal a. (Supply: kidneys) - gonadal a. (Supply: gonads)

Question 29

What is D

Answer 29

Renal artery

Question 30

What is A

Answer 30

Common iliac a.

Question 31

What is B

Answer 31

Internal iliac a.

Question 32

What is C

Answer 32

External iliac a.

Question 33

What is D

Answer 33

Femoral artery

Question 34

What is E

Answer 34

Popliteal artery

Question 35

What is F

Answer 35

Posterior tibial artery

Question 36

What is G

Answer 36

Anterior tibial artery