Ch. 11 - Axial Musculature

Question 1

Fibrous sheath that surrounds an entire muscle

Answer 1

Epimysium

Question 2

The epimysium grades into

Answer 2

Fascia

Question 3

Sheath that encloses each fascicle

Answer 3

Perimysium

Question 4

Sheath that encloses each muscle fiber

Answer 4

Endomysium

Question 5

Sheet of fibrous CT that separates neighboring muscles

Answer 5

Fascia

Question 6

This fascia underlies the skin and hypodermis, separating them from nearby muscles

Answer 6

Superficial fascia

Question 7

This fascia is a dense framework attaching to tendons and ligaments

Answer 7

Deep fascia

Question 8

Nerves begin to die in how long

Answer 8

2-4 hours

Question 9

Muscle tissue dies after how long

Answer 9

6 hours

Question 10

Nerves (can/cannot) regenerate, and muscle necrosis is (reversible/irreversible)

Answer 10

Nerves can regenerate
Muscle necrosis is irreversible

Question 11

There are 2 kinds of muscle-bone attachment

Answer 11

Direct and indirect

Question 12

When a tendon is a broad sheet, it is called

Answer 12

Aponeurosis

Question 13

These kinds of muscles are entirely contained within a specific region (ex: muscles of the fingers)

Answer 13

Intrinsic muscles

Question 14

These kinds of muscles act upon a designated region but originate elsewhere (ex: forearm muscles)

Answer 14

Extrinsic muscles

Question 15

A muscle which produces main force during an action

Answer 15

Agonist

Question 16

A muscle that aids the prime mover

Answer 16

Synergist

Question 17

A muscle that opposes the prime mover

Answer 17

Antagonist

Question 18

A muscle that prevents a bone from moving during an action

Answer 18

Fixator

Question 19

Levers add (1) OR (2) to the muscles

Answer 19

Speed OR force

Question 20

In a first-class lever, what is in the middle?

Answer 20

Fulcrum

Question 21

In a second-class lever, what is in the middle?

Answer 21

Resistance

Question 22

In a third-class lever, what is in the middle?

Answer 22

Force