Phlebotomy Essentials Questions To Chapter 6

Front 1

Which of the following is described as a anuclear, biconcave disk?

Back 1

a. Erythrocyte
b. Granulocyte
c. Leukocyte
d. Thrombocyte

Hint 1

a. Erythrocyte

Front 2

The chamber of the heart that receives blood from the systemic circulation is the:

Back 2

a. left atrium.
b. left ventricle.
c. right atrium.
d. right ventricle.

Hint 2

c. right atrium.

Front 3

The thick muscle layer of the heart is called the:

Back 3

a. endocardium.
b. epicardium.
c. myocardium.
d. pericardium.

Hint 3

c. myocardium.

Front 4

The ECG shows P waves due to:

Back 4

a. atrial contractions.
b. delayed contractions.
c. electrical charge revival.
d. ventricular contraction.

Hint 4

a. atrial contractions.

Front 5

When taking a blood pressure, the systolic pressure is the pressure reading when the:

Back 5

a. artery is compressed and blood fl ow is cut off.

b. cuff has already been completely deflated.

c. first heart sounds are heard as the cuff is deflated.

d. muffled sound is heard as the cuff is deflated.

Hint 5

c. first heart sounds are heard as the cuff is deflated.

Front 6

The purpose of the pulmonary system is to:

Back 6

a. carry blood to and from the lungs.

b. carry nutrients to the cells.

c. deliver blood to the systemic system.

d. remove impurities from the blood.

Hint 6

a. carry blood to and from the lungs.

Front 7

Which of the following blood vessels are listed in the proper order of blood fl ow?

Back 7

a. Aorta, superior vena cava, vein
b. Arteriole, venule, capillary
c. Capillary, venule, vein
d. Vein, venule, capillary

Hint 7

c. Capillary, venule, vein

Front 8

The internal space of a blood vessel is called the:

Back 8

a. atrium.
b. lumen.
c. septum.
d. valve.

Hint 8

b. lumen.

Front 9

The longest vein and the largest artery in the body in that order are:

Back 9

a. cephalic and femoral.

b. great saphenous and aorta.

c. inferior vena cava and brachial.

d. pulmonary and femoral.

Hint 9

b. great saphenous and aorta.

Front 10

The preferred vein for venipuncture in the "H"
pattern is the:

Back 10

a. accessory cephalic.
b. basilic.
c. cephalic.
d. median cubital.

Hint 10

d. median cubital.

Front 11

The major difference between plasma and serum is that plasma:

Back 11

a. contains fibrinogen, serum does not.

b. contains nutrients, serum does not.

c. looks clear, serum looks cloudy.

d. looks amber, serum looks pale yellow.

Hint 11

a. contains fibrinogen, serum does not.

Front 12

An individual's blood type (A, B, AB, or O) is determined by the presence or absence of which of the following on the red blood cells?

Back 12

a. Antigens
b. Antibodies
c. Chemicals
d. Hormones

Hint 12

a. Antigens

Front 13

Which is the correct sequence of events after blood vessel injury?

Back 13

a. Fibrinolysis, platelet adhesion, vasoconstriction

b. Platelet aggregation, vasoconstriction, fibrin clotformation

c. Vasoconstriction, platelet aggregation, fibrin clot formation

d. Vasodilation, platelet adhesion, fibrin clot formation

Hint 13

c. Vasoconstriction, platelet aggregation, fibrin clot formation

Front 14

Lymph originates from:

Back 14

a. joint fluid.
b. plasma.
c. serum.
d. tissue fluid.

Hint 14

d. tissue fluid.

Front 15

A heart disorder characterized by fluid buildup in the lungs is called:

Back 15

a. aortic stenosis.
b. bacterial endocarditis.
c. congestive heart failure.
d. myocardial infarction.

Hint 15

c. congestive heart failure.

Front 16

The thin membrane lining the heart that is continuous with the lining of the blood vessels is the:

Back 16

a. endocardium.
b. epicardium.
c. myocardium.
d. pericardium.

Hint 16

b. epicardium.

Front 17

Partitions that separate the right and left chambers of the heart are called:

Back 17

a. chordae tendineae.
b. cusps.
c. Purkinje fi bers.
d. septa.

Hint 17

d. septa.

Front 18

The bicuspid valve in the heart is also called the:

Back 18

a. aortic valve.
b. mitral valve.
c. pulmonic valve.
d. tricuspid valve.

Hint 18

b. mitral valve.

Front 19

The function of the right ventricle is to:

Back 19

a. deliver blood to the aorta.

b. deliver blood to the pulmonary artery.

c. receive blood from the pulmonary vein.

d. receive blood from the vena cava.

Hint 19

b. deliver blood to the pulmonary artery.

Front 20

A fast heart rate is called:

Back 20

a. arrhythmia.
b. bradycardia.
c. fibrillations.
d. tachycardia.

Hint 20

d. tachycardia.

Front 21

The sound of the heartbeat comes from:

Back 21

a. contracting myocardium.

b. firing of the sinoatrial node.

c. opening and closing of the valves.

d. resonating interventricular septa.

Hint 21

c. opening and closing of the valves.

Front 22

Diastolic blood pressure is the pressure in the arteries during

Back 22

a. atrial contraction.
b. atrial relaxation.
c. ventricular contraction.
d. ventricular relaxation.

Hint 22

d. ventricular relaxation.

Front 23

Which of the following arteries carries deoxygenated blood?

Back 23

a. Brachial
b. Femoral
c. Pulmonary
d. Radial

Hint 23

c. Pulmonary

Front 24

A vein is defined as a blood vessel that carries

Back 24

a. blood away from the heart.
b. blood to the heart.
c. deoxygenated blood.
d. oxygen-rich blood.

Hint 24

b. blood to the heart.

Front 25

While selecting a vein for venipuncture, you feel a distinct pulse. What you are feeling is a/an

Back 25

a. artery.
b. nerve.
c. valve.
d. vein.

Hint 25

a. artery.

Front 26

A major difference between veins and arteries is that

Back 26

a. arteries have a thicker external layer.

b. arteries have no endothelial layer.

c. veins have a thicker medial layer.

d. veins have valves.

Hint 26

a. arteries have a thicker external layer.

Front 27

The outer layer of a blood vessel is called the tunica

Back 27

a. adventitia.
b. interna.
c. intima.
d. media.

Hint 27

a. adventitia.

Front 28

Which of the following veins are most commonly used for venipuncture?

Back 28

a. Basilic and median cubital
b. Cephalic and basilic
c. Median cubital and cephalic
d. Radial and basilic

Hint 28

c. Median cubital and cephalic

Front 29

Which of the following formed elements is actually part of a bone marrow cell called a megakaryocyte?

Back 29

a. Erythrocyte
b. Granulocyte
c. Thrombocyte
d. Reticulocyte

Hint 29

c. Thrombocyte

Front 30

Whole blood consists of all of the following except

Back 30

a. cells.
b. fibrin.
c. plasma.
d. solutes.

Hint 30

b. fibrin.

Front 31

A person's blood type is determined by antigens on the surfaces of the

Back 31

a. eosinophils.
b. platelets.
c. red blood cells.
d. white blood cells.

Hint 31

c. red blood cells.

Front 32

The third response of the coagulation process is

Back 32

a. fibrinolysis.
b. platelet plug formation.
c. hemostatic plug formation.
d. vasoconstriction.

Hint 32

a. fibrinolysis.

Front 33

When platelets stick to each other during the coagulation process, it is called

Back 33

a. aggregation.
b. adhesion.
c. infarction.
d. inhibition.

Hint 33

a. aggregation.

Front 34

Which of the following is a function of the lymphatic system?

Back 34

a. Carry oxygen to the cells
b. Regulate blood pressure
c. Remove microorganisms
d. Synthesize coagulation factors

Hint 34

c. Remove microorganisms

Front 35

A blood clot circulating in the bloodstream is called a/an

Back 35

a. embolism.
b. embolus.
c. phlebitis.
d. thrombus.

Hint 35

b. embolus.