Quiz 2

Question 1

Pericarditis is an inflammatory condition of the pericardium and often leads to excess fluid in the space between the heart and pericardium which is termed pericardial effusion
(T/F)

Answer 1

True

Question 2

The chordae tendinae attach to the semilunar valves on one end, and the papillary muscles on the other to prevent the valves from closing during ventricular contraction
(T/F)

Answer 2

False

Question 3

The name of the extension off of the atrium that can fills with blood is the:

• Aorta
• Papillary muscle
• Auricle

Answer 3

Auricle

Question 4

The order of blood flow is:

Right atrium……………….body

Answer 4

Right atrium, tricuspid valve, Right ventricle, pulmonary semilunar valve, pulmonary artery, lungs, pulmonary vein, Left atrium, mitral valve, Left ventricle, aortic semilunar valve, aorta, body

Question 5

The tissue layers from the most internal to external of the heart are:

• endocardium, myocardium, epicardium, pericardial space with fluid, and the pericardium
• endocardium, epicardium, myocardium, pericardial space with fluid, and the pericardium

Answer 5

endocardium, myocardium, epicardium, pericardial space with fluid, and the pericardium

Question 6

The valve located between the right atria and ventricle is called the:

• tricuspid valve
• mitral valve
• semilunar valve

Answer 6

Tricuspid valve

Question 7

When oxygen concentrations drop in tissues, autoregulation results in dilation of the arterial blood supply to that tissue to allow more oxygen to be supplied.
(T/F)

Answer 7

True

Question 8

The lymphatic system is an important adjunct to the circulatory system and allows for movement of proteins and fluid from the tissues interstitium back into the blood. Also, this system is an important part of the immune system.
(T/F)

Answer 8

True

Question 9

The spleen can store erythrocytes in the venous sinuses and contraction of the smooth muscle within the spleen can result in an increased packed cell volume.
(T/F)

Answer 9

True

Question 10

The spleen is the largest lymphoid organ in the body and is the only organ specialized in filtering lymph.
(T/F)

Answer 10

False

Question 11

The depolarization/contraction of the apex of the ventricles results in the measurement of the ____ wave which should be in the _____ direction when using Lead II.

• R, positive
• Q, negative
• U, positive

Answer 11

R, positive

Question 12

The depolarization/contraction of the atria result in the measurement of the ___ wave which should be in the ___ direction when using Lead II.

• QRS, negative
• QRS, positive
• P, positive
• p, negative

Answer 12

P, positive

Question 13

The T-wave represents the repolarization of the ventricles and should follow closely behind the QRS complex when using Lead II.
(T/F)

Answer 13

True

Question 14

The “Lub” of the heart sounds corresponds to the:

• closing of the semilunar valves
• filling of the ventricles with blood
• closing of the AV valves

Answer 14

closing of the AV valves

Question 15

The pathway of the impulse through the ventricles is from the septum, to the apex, then finally back up the walls of the ventricle towards the base of the heart
(T/F)

Answer 15

True

Question 16

The SA node requires regular, rhythmic stimulation by the Purkinje fibers to initiate the heartbeat.
(T/F)

Answer 16

False

Question 17

Which specialized heart fibers are known as the “pacemaker” of the heartbeat?

• AV node
• SA node
• bundle branches

Answer 17

SA node

Question 18

The function of the aortic semilunar valves are to prevent the flow of blood from the aorta back into the left ventricle after ventricular contraction
(T/F)

Answer 18

True

Question 19

The vessel that delivers blood from the head back to the heart is called the:

• Aorta
• Pulmonary vein
• Cranial vena cava
• Caudal vena cava

Answer 19

Cranial vena cava

Question 20

The splenic white pulp contains lymphatic tissue.

T/F

Answer 20

True