Cardio Workbook Wet Room

Question 1

how many papillary muscles are in the right ventricle?

Answer 1

3

same as the number of cusps - tricuspid valve is in there

Question 2

tricuspid valve is between the

Answer 2

right atrium and right ventricle

Question 3

pulmonary valve is between the

Answer 3

right ventricle and the pulmonary trunk

Question 4

what pair of coronary arteries anastomose at the coronary suclus?

Answer 4

right coronary artery

circumflex

Question 5

The coronary arteries arise from ………… at the left and right side of the root of the
……..

Answer 5

aortic sinuses

ascending aorta

Question 6

Nerve innervation of the cardiac wall is supplied by the

Answer 6

cardiac plexus

Question 7

Cardiac plexus is supplied by

Answer 7

the vagus nerves (parasympathetic)

spinal cord segments T1-4 (sympathetic)

Question 8

Within the heart - motor fibres innervate and influence

Answer 8

the SA and AV nodes

Question 9

SA and AV nodes

Answer 9

generate electrical impulses

Question 10

SA and AV nodes and their branches are often called

Answer 10

purkinje fibres

Question 11

Anterior mediastinum

Answer 11

in front of the pericardium

Question 12

middle mediastinum

Answer 12

contains the pericardium and all its contents

Question 13

posterior mediastinum

Answer 13

behind the pericardium

Question 14

Superficial veins of the upper limb

Answer 14

cephalic vein

Question 15

cephalic vein drains into the

Answer 15

axillary vein below the clavicle

Question 16

Basilic vein becomes continuous with

Answer 16

brachial vein

Question 17

median cubital vein connects the

Answer 17

cephalic and basilic

across the cubital fossa

Question 18

Superficial veins of the lower limb

Answer 18

long saphenous

short saphenous

popiteal

femoral

Question 19

Subclavian artery becomes the axillary artery at the level of the

Answer 19

1st rib

Question 20

brachial divides into the radial and ulnar arteries at the

Answer 20

cubital fossa

Question 21

blood vessels

the intima is always the ……. layer

Answer 21

thinnest

Question 22

intima is composed of

Answer 22

single layer of endothelial cells

small amount of connective tissue

Question 23

intima is separated from the media by the

Answer 23

internal elastic lamina

Question 24

media is the ….. layer

Answer 24

thickest

Question 25

media is separated from the adventitia by

Answer 25

external elastic lamina

Question 26

adventitia is composed of nutrient vessels called the

Answer 26

vasa vasorum

Question 27

Vagus nerve (parasympathetic innervation) ....... heart rate

Answer 27

decreases

Question 28

Spinal cord (T1-4) (sympathetic innervation) ....... heart rate

Answer 28

increases and increased the force of contraction

Question 29

Phrenic nerve innervates the

Answer 29

fibrous pericardium (carries pain sensation)

Question 30

Vagus nerve innervates the

Answer 30

heart and visceral layer of fibrous pericardium