Circulatory System

Question 1

Erythrocytes are

Answer 1

Red blood cells

Question 2

Leukocytes are

Answer 2

White blood cells

Question 3

What are the three formed elements and where are they produced?

Answer 3

Erythrocytes, Leukocytes and platelets. They are produced from stem cells and red bone marrow.

Question 4

Erythrocytes are modified for

Answer 4

Transport of oxygen

Question 5

The transport of this oxygen from erythrocytes are bound to

Answer 5

Pigmented protein hemoglobin

Question 6

Whole blood consists of

Answer 6

55% plasma and 45% formed elements

Question 7

The five types of Leukocytes can be extinguished on the basis

Answer 7

Size appearance of the nucleus staining properties and presence or absence of visible cytoplasmic granules

Question 8

White blood cells are active in

Answer 8

Phagocytosis (neutrophils and monocytes) and antibody formation (lymphocytes)

Question 9

Platelets are

Answer 9

Active in the process of blood clotting

Question 10

Blood serves to

Answer 10

Transport oxygen for nutrients too body cells and to carry away carbon dioxide and metabolic waste

Question 11

Plasma contains approximately

Answer 11

10% proteins, ions, nutrients, waste products and hormones which are dissolved or suspended in water

Question 12

The heart is

Answer 12

A double pump that sends blood to the lungs for Oxygenation through the pulmonary circuit into the remainder of the body through the systematic circuit

Question 13

Blood is received by the

Answer 13

Atria it is pumped into circulation by the Venturicles

Question 14

Valves between the atria and ventricles include the

Answer 14

Tricuspid on the right side of the heart in the bicuspid on the left

Question 15

Semi lunar valves are found at the

Answer 15

Entrances of the pulmonary trunk and the aorta

Question 16

Blood is supplied to the heart muscle or the myocardium by the

Answer 16

Coronary arteries

Question 17

Blood drains from the

Answer 17

Myocardium directly into the right atrium through the coronary sinus

Question 18

The heart has what kind of beat

Answer 18

Intrinsic

Question 19

The heart has an intrinsic beat initiated by the

Answer 19

Sinoatrial node and transmitted along a conduction system through the myocardium

Question 20

The cardiac cycle is

Answer 20

Period from the end of one ventricle contraction to the end of the next ventricle contraction

Question 21

The contraction phase of the cycle is called

Answer 21

Systole

Question 22

The relaxation of the cycle is called

Answer 22

Diastole

Question 23

Vascular system includes

Answer 23

Arteries that carry blood away from the heart, Veins that carry blood towards the heart, and the capillaries

Question 24

What are the smallest vessels

Answer 24

Capillaries

Question 25

The Capillaries are where the

Answer 25

Exchanges take place between the blood and surrounding tissues, exchanging water, nutrients, waste products

Question 26

The systemic arteries begin with

Answer 26

The aorta which sends branches to all parts of the body

Question 27

As the arteries get further away from the body, they become

Answer 27

Thinner and thinner.

Question 28

The smallest arteries are called

Answer 28

Arteriolar

Question 29

The superior and inferior venae cavae are the

Answer 29

Large veins that empty into the right atrium of the heart