Cardiovascular System

Question 1

Fenestrated elastic membranes are typical for the arteries of muscle type

Answer 1

No

Question 2

Continuous capillaries consist of an endothelial layer, its underlying basal lamina and associated pericytes within the basal lamina

Answer 2

Yes

Question 3

Pericytes are associated cells within the basal lamina of the endothelial cells of capillaries

Answer 3

Yes

Question 4

adipose tissue is found in the epicardium

Answer 4

Yes

Question 5

In the region of fossa ovalis in septum interartriale there is no myocardium

Answer 5

Yes

Question 6

The atrioventricular node is situated in its subendocardial location

Answer 6

Yes

Question 7

The valves of the veins are double folding of tunica intima

Answer 7

Yes

Question 8

The right ventricle of the heart at cross section has semilunar shape

Answer 8

Yes

Question 9

There is adipose tissue in the heart epicardium

Answer 9

Yes

Question 10

The left ventricle of the heart at cross section has semilunar shape

Answer 10

No

Question 11

There is adipose tissue in the heart endocardium

Answer 11

No

Question 12

The lining of the inner walls of the heart’s chamber is termed the visceral pericardium

Answer 12

No

Question 13

Subendothelium of blood vessels is:

a. loose connective tissue w/o BV
b. loose CT with blood vessels
c. loose CT with glands
d. muscle tissue

Answer 13

A

Question 14

Tunica media of the aorta is made of

a. muscle tissue
b. elastic and muscle tissue
c. fenestrated elastic membranes

Answer 14

C

Question 15

if the heart’s natural pacemaker fails to fire, then:

a. no blood would enter the aorta
b. no blood would enter the ventricles
c. the node on the floor of the right atrium would act as a secondary pacemaker
d. the node on floor of LV would act as secondary pacemaker
e. person would die within mins

Answer 15

C

Question 16

Which tunic of an artery contains endothelium

a. tunica interna/intima
b. tunica media
c. tunica externa

Answer 16

A

Question 17

exchange of gases and nutrients between blood and tissue is a major function of

a. arterioles
b. arteries
c. capillaries
d. veins

Answer 17

C

Question 18

Which of the following statements best describe arteries?

a. all arteries carry oxygen. blood towards heart
b. all arteries contain valves to prevent back-flow of blood
c. all arteries carry blood away from heart
d. only large arteries are lined with endothelium

Answer 18

C

Question 19

The circulatory pathway that carries blood from the DT towards the liver is termed the:

a. coronary circuit
b. cerebral circuit
c. hepatic portal circuit
d. pulmonary circuit

Answer 19

C

Question 20

Immediately following strenuous and vigorous exercise, which of the following is most likely to occur;

a. blood will be rapidly diverted to digestive organs
b. skin will be cold and clammy
c. capillaries of the active muscles will be engorged with blood
d. blood flow to the kidneys quickly increase

Answer 20

C

Question 21

the lining of the inner walls of the heart’s chambers is termed the:

a. visceral pericardium
b. serous pericardium
c. epicardium
d. myocardium
e. endocardium

Answer 21

E

Question 22

the outermost layer of the heart’s serous pericardium is termed the:

a. visceral pericardium
b. parietal pericardium
c. epicardium
d. myocardium
e. endocardium

Answer 22

B

Question 23

the heart’s natural pacemaker is termed the:

a. SA node
b. AV node
c. bundle of his/ AV bundle
d. L/R bundle branches
e. purkinje fibres

Answer 23

A

Question 24

What is most responsible for propelling blood in the arterial system during cardiac diastole

a. skeletal muscle contraction and breathing
b. hydrostatic bp arising from ventricular con.
c. elastic recoil of conducting (elastic) arteries
d. venous return of blood

Answer 24

C

Question 25

The basal membrane of the fenestrated capillaries

Answer 25

is continuous

Question 26

The layers of the endocardium are

Answer 26

endothelial subendothelial myoelastic subendocardial

Question 27

The capillaries are

Answer 27

continuous fenestrated discontinuous

Question 28

The valves between the A and V are

Answer 28

bicuspid/mitral | tricuspid

Question 29

The fibrous skeleton of the heart includes

Answer 29

right fibrous ring left fibrous ring right fibrous trigone left fibrous trigone

Question 30

The arteries which supply the heart wall with blood are

Answer 30

left/right coronary artery

Question 31

Typical for myocardium is a. 3 types of muscle tissue cells - cardiac myocytes, purkinje cells, myocardial endocrine cells b. myocardium of the ventricles is organised in 2 layers c. myocardium of ventricles is organised in 3 layers TF

Answer 31

TFT

Question 32

The elements of the fenestrated capillaries are a. endothelial cells b. interrupted basal membrane c. uninterrupted basal membrane d. pericytes

Answer 32

TFTT

Question 33

``` Match: a fossa ovalis b. chordae tendinae c. trabeculae carnae d. mm. papillares e. mm. pectinati ``` 1. atrium 2. ventricles

Answer 33

1 - A,E | 2 - B,C,D

Question 34

Match a. ostium of v. cava inferior b. ostium of vv. pulmonales c. conus arteriosus d. ostium aortae 1. RV 2. LV 3. RA 4. LA

Answer 34

A - 3 B - 4 C - 1 D - 2

Question 35

Match a. endothelial cells b. basal membrane - in c. basal membrane - unin d. pericytes e. fenestrae 1. fenestrated capillaries 2. continuous capillaries 3. non-continuous interrupted capillaries

Answer 35

1 - A,C,D,E 2-A,C,D 3 - A,B