Muscular System Topic 11

Question 1

In skeletal muscle, what does fascile refer to?

Answer 1

group of fibres

Question 2

What is a group fascicles called?

Answer 2

Whole Muscle

Question 3

What are the 2 types of connective tissue in skeletal muscle?

Answer 3

• Fascia

- Tendons and aponeuroses

Question 4

What are the 3 types of Fascia?

Answer 4

• Epimysium
• Perimysium
• Endomysium

Question 5

What does the epimysium surround?

Answer 5

Entire muscle

Question 6

What does the perimysium surround?

Answer 6

surrounds fascicles

Question 7

What does the endomysium surround?

Answer 7

Surrounds each muscle fibre

Question 8

Tendons and aponeurses are said to be extensions of which fascia

Answer 8

all

Question 9

Tendons can be described as?

Answer 9

rope like

Question 10

aponeurosis can be described as?

Answer 10

sheet like

Question 11

What are the 5 parts that muscle fibers are composed of?

Answer 11

• Sarcolemma
• Sacroplasm
• Myofibrils
• T Tubules
• Sacroplasmic Reticulum

Question 12

What is the cytoplasm in muscle fibers called?

Answer 12

Sarcolemma

Question 13

What are myofibrils composed of?

Answer 13

Sarcomeres

Question 14

What 2 types of myfilaments compose the myfibers

Answer 14

• Actin

- Tropomyosin+tropnin

Question 15

What are thick filaments composed of?

Answer 15

Myosin

Question 16

What connects the myosin?

Answer 16

titin (protein)

Question 17

What are the dark and light colored bands of myofilaments?

Answer 17

• A Band
• H zone
• I Band
• Z discs
• M line

Question 18

Are A bands dark or light?

Answer 18

Dark

Question 19

The Hzone is in the center of which band?

Answer 19

A band

Question 20

What type of filaments are I bands made of?

Answer 20

Thin filaments only (light)

Question 21

What describes T Tubules?

Answer 21

Continuations