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PMU Y2 Cardio-Vascular Quesitons

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Cardio-vascular System - Year 2/ Test 1

Cardio-vascular System - Year 2/ Test 1

Question 1 of 26

1

Fenetstrated elastic membranes are typical for the arteries of muscle type.

Select one of the following:

  • True
  • False

Explanation

Question 2 of 26

1

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

Select one of the following:

  • True
  • False

Explanation

Question 3 of 26

1

Pericytes are associated cells with the basal lamina of the endothelial cells of capillaries.

Select one of the following:

  • True
  • False

Explanation

Question 4 of 26

1

Adipose tissue is found in the epicardium.

Select one of the following:

  • True
  • False

Explanation

Question 5 of 26

1

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

Select one of the following:

  • True
  • False

Explanation

Question 6 of 26

1

The atrioventricular node is situated in its subendocardial location.

Select one of the following:

  • True
  • False

Explanation

Question 7 of 26

1

The valves of the veins are double folding of tunica intima.

Select one of the following:

  • True
  • False

Explanation

Question 8 of 26

1

The right ventricle of the heart at cross section has semi-lunar shape.

Select one of the following:

  • True
  • False

Explanation

Question 9 of 26

1

There is adipose tissue in the heart epicardium.

Select one of the following:

  • True
  • False

Explanation

Question 10 of 26

1

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

Select one of the following:

  • True
  • False

Explanation

Question 11 of 26

1

There is adipose tissue in the heart endocardium

Select one of the following:

  • True
  • False

Explanation

Question 12 of 26

1

The lining of the inner walls of the heart's chambers is termed the visceral pericardium

Select one of the following:

  • True
  • False

Explanation

Question 13 of 26

1

Subendothelium of blood vessels is:

Select one of the following:

  • Loose connective tissue without blood vessels

  • Loose connective tissue with blood vessels

  • Loose connective tissue with glands

  • Muscle tissue

Explanation

Question 14 of 26

1

Tunica media of the aorta is made of:

Select one of the following:

  • Muscle tissue

  • Elastic and muscle tissue

  • Fenestrated elastic membranes

Explanation

Question 15 of 26

1

If the heart's natural pacemaker fails to fire, then:

Select one of the following:

  • No blood would enter the atria

  • No blood would enter the ventricles

  • The node on the floor of the right atrium would act as a secondary pacemaker

  • The node on the floor of the left ventricle would act as a secondary pacemaker

  • The person would die within minutes

Explanation

Question 16 of 26

1

Which tunic of an artery contains endothelium?

Select one of the following:

  • Tunica interna/intima

  • Tunica media

  • Tunica externa

Explanation

Question 17 of 26

1

The exchange of gases and nutrients between blood and tissues is a major function of:

Select one of the following:

  • Arterioles

  • Arteries

  • Capillaries

  • Veins

Explanation

Question 18 of 26

1

Which of the following statements best describe arteries?

Select one of the following:

  • All arteries carry oxygenated blood towards the heart

  • All arteries contain valves to prevent the back-flow of blood

  • All arteries carry blood away from the heart

  • Only large arteries are lined with endothelium

Explanation

Question 19 of 26

1

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

Select one of the following:

  • Coronary circuit

  • Cerebral Circuit

  • Hepatic Portal Circuit

  • Pulmonary circuit

Explanation

Question 20 of 26

1

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

Select one of the following:

  • Blood will be rapidly diverted to the digestive organs

  • The skin will be cold and clammy

  • Capillaries of the active muscles will be engorged with blood

  • Blood flow to the kidneys quickly increases

Explanation

Question 21 of 26

1

The lining of the inner walls of the heart's chambers is termed the:

Select one of the following:

  • Visceral pericardium

  • Serous pericardium

  • Epicardium

  • Myocardium

  • Endocardium

Explanation

Question 22 of 26

1

The outermost layer of the heart's serous pericardium is termed the:

Select one of the following:

  • Visceral pericardium

  • Parietal pericardium

  • Epicardium

  • Myocardium

  • Endocardium

Explanation

Question 23 of 26

1

The heart's natural pacemaker is termed the:

Select one of the following:

  • Sinoatrial node

  • Atrioventicular node

  • Bundle of His/Atrioventicular Bundle

  • Left and Right bundle branches

  • Purkinje fibers

Explanation

Question 24 of 26

1

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

Select one of the following:

  • Skeletal muscle contraction and breathing

  • Hydrostatic blood pressure arising from ventricular contraction

  • Elastic recoil of conducting (elastic) arteries

  • Venous return of blood

Explanation

Question 25 of 26

1

Typical for myocardium is:

Select one or more of the following:

  • 3 types of muscle tissue cells; Cardiac myocytes, Purkinje cells, myocardial endocrine cells

  • Myocardium of the ventricle is organised in 2 layers

  • Myocardium of the ventricles is organised in 3 layers

Explanation

Question 26 of 26

1

The elements of the fenestrated capillaries are:

Select one or more of the following:

  • Endothelial cells

  • Basal membrane - Interrupted

  • Basal membrane - Non-interrupted

  • Pericytes

Explanation

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