Quiz 1

Question 1

What is the function of cardiac muscle?

Answer 1

Contraction of the heart (heartbeat)

Question 2

What are some physical characteristics of cardiac muscle?

Answer 2

branched and unorganized, multinucleate, intercalated discs

Question 3

Which division of the nervous system controls cardiac muscle?

Answer 3

involuntary

Question 4

What are the proteins that make the striations in cardiac muscle?

Answer 4

Actin and myosin

Question 5

What makes up tunica intima?

Answer 5

simple squamous epithelium

Question 6

What makes up tunica media?

Answer 6

smooth muscle

Question 7

What makes up tunica externa?

Answer 7

Connective tissue

Question 8

Blood flows away from the heart

Answer 8

artery

Question 9

Blood flows to the heart

Answer 9

vein

Question 10

What makes up the endocardium?

Answer 10

Simple squamous epithelium

Question 11

What makes up the myocardium?

Answer 11

cardiac muscle

Question 12

What makes up the epicardium?

Answer 12

Areolar and adipose connective tissue

Question 13

What are the layers of the heart wall from inside to outside

Answer 13

Endocardium, myocardium, epicardium

Question 14

What is the difference between arteries and veins?

Answer 14

Veins have valves, veins are wider and have a thin tunica media