Lesson 8

Question 1

what are the Three Types of Muscle Tissue

Answer 1

skeletal, cardiac, smooth muscle

Question 2

where is smooth muscle found?

Answer 2

Found in walls of visceral organs

Question 3

where is cardiac muscle?

Answer 3

Found in heart myocardium

Question 4

where is skeletal muscle found

Answer 4

attached to skeleton

Question 5

Properties of
Muscle Tissue

Answer 5

• Excitability
• Contractility
• Elasticity
• Extensibility

Question 6

What is the cell shape of skeletal muscle cells

Answer 6

Fiber-like (long
and cylindrical)

Question 7

What is the cell shape of cardiac muscle cells?

Answer 7

Branched and
Y-shaped

Question 8

What is the cell shape of smooth muscle cells?

Answer 8

Fusiform

Question 9

T/F Smooth and cardiac muscles are striated while skeletal muscles are not striated T/F

Answer 9

False

Question 10

Smooth muscles are striated T/F

Answer 10

False

Question 11

cardiac and skeletal muscles are Striated T/F

Answer 11

True

Question 12

How many nuclei are in cardiac muscle cells

Answer 12

1-2; Uni- or binucleated

Question 13

How many nuclei are in smooth muscle cells

Answer 13

1; Uninucleated

Question 14

How many nuclei are in skeletal muscle cells

Answer 14

2+; Multinucleated

Question 15

Which two muscle types are moved involuntarily

Answer 15

Smooth and cardiac muscle

Question 16

Special
Features of Cardiac muscle cells

Answer 16

Intercalated
discs, autorhythmic

Question 17

Special
Features of Skeletal muscle cells

Answer 17

Innervated at the
neuromuscular
junction, vascular

Question 18

Special
Features of smooth muscle cells

Answer 18

Fatigue resistant

Question 19

Functions of
Skeletal Muscle

Answer 19

• Movement
• Maintenance of posture
• Temperature regulation
• Storage and movement
  of materials
• Support abdominal
  organs
• Joint stabilization

Question 20

The ability of muscle cell membranes to change their electrical state and send an electrical wave or impulse (called an action potential) along the length of the membrane is called __________.

A.
excitability

B.
contractility

C.
elasticity

D.
extensibility

Answer 20

A