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Human Anatomy, 6/e
Kent Van De Graaff, Weber State University

Circulatory System

Multiple Choice Quiz

Please answer all questions



1

The __________________ is/are the components of the circulatory system that transport oxygen as well as carbon dioxide within the body.
A)leukocytes
B)erythrocytes
C)plasma
D)platelets
2

Which of these cell types is not a polymorphonuclear leukocyte?
A)lymphocytes
B)eosinophils
C)neutrophils
D)basophils
3

All blood cells, including platelets, are derived from one type of stem cell called a _________________.
A)proerythroblast
B)myeloblast
C)megakaryoblast
D)hemocytoblast
4

The plasma protein known as _____________ is responsible for maintaining the osmotic pressure of the blood.
A)gamma globulin
B)alpha globulin
C)albumin
D)fibrinogen
5

The layer of the heart wall that corresponds to the visceral pericardium is the ________________.
A)endocardium
B)epicardium
C)myocardium
D)serous pericardium
6

Deoxygenated blood carried in the vena cava empties into the _______________ of the heart.
A)right atrium
B)right ventricle
C)left atrium
D)left ventricle
7

What is the role of the papillary muscles on the heart's interior?
A)The papillary muscles act as a portion of the skeleton of the heart, strengthening heart walls.
B)The papillary muscles keep the semilunar valves of the aorta and pulmonary trunk in position.
C)The papillary muscles keep the atrioventricular valves from bulging in the wrong direction.
D)The papillary muscles perform all of these functions.
8

The left coronary artery gives rise to the _________________ artery and the anterior interventricular artery.
A)posterior interventricular
B)right marginal
C)circumflex
D)coronary sinus
9

Which of these is not a component of the cardiac conduction system?
A)atrioventricular node
B)sinoatrial node
C)conduction myofibers
D)aortic semilunar valve
10

In an electrocardiogram, the _____________ is produced by ventricular repolarization.
A)P wave
B)QRS complex
C)S-T segment
D)T wave
11

In what layer of a medium-sized vein do the valves lie?
A)tunica externa
B)tunica interna
C)tunica media
D)adventitia
12

The difference between the systolic pressure and the diastolic pressure is _______________.
A)about 40 mm Hg
B)the pulse pressure
C)the same as the difference between ventricular systole and ventricular diastole
D)All of these are true.
13

Choose the blood vessel that does not arise from the aortic arch.
A)brachiocephalic trunk
B)superior mesenteric artery
C)common carotid artery
D)left subclavian artery
14

In fetal circulation, the _______________ acts as a shunt to bypass the pulmonary circulation.
A)ductus venosus
B)umbilical vein
C)ductus arteriosus
D)umbilical artery
15

The ______________ serve(s) both as a blood reservoir and house(s) lymphocytes that are important for immunity.
A)spleen
B)thymus
C)lymph nodes
D)tonsils