Muscular System

Question 1

Function of the Muscular System

Answer 1

1. Movement
2. Posture
3. Heat production

Question 2

Type of muscle which is attached to skeleton; spindle-shaped

Answer 2

Striated Voluntary or Skeletal Muscle

Question 3

Controlled by voluntary nervous system via ________ _______ _________ in spinal and in some cranial nerves

Answer 3

Somatic Motor Nerves

Question 4

Composed of muscle fibers bound together by a ________

Answer 4

Fascia

Question 5

Each muscle contains several muscle bundle or _________

Answer 5

Fasciculi

Question 6

Located in muscle layer of visceral organs

Answer 6

Smooth Involuntary or Visceral Muscle

Question 7

Controlled by autonomic nervous sytem via ________ ___________ ____________ in autonomic, spinal, and some cranial nerves

Answer 7

autonomic motor neuron

Question 8

Found in the heart

Answer 8

Striated Involuntary or Cardiac Muscle

Question 9

Steps in Muscle Fiber Contraction

Answer 9

Electrical Energy transmitted (EET) , Calcium ion released (CIRZ) , ATP released causes contraction (ARCC).

Question 10

Types of muscles as to action: bends

Answer 10

Flexor

Question 11

Types of muscles as to action: straightens

Answer 11

Extensor

Question 12

Types of muscles as to action: draws toward median

Answer 12

Adductor

Question 13

Types of muscles as to action: away from median

Answer 13

Abductor

Question 14

Types of muscles as to action: raises

Answer 14

Levator

Question 15

Types of muscles as to action: lowers

Answer 15

Depressor

Question 16

Types of muscles as to action: closes an opening

Answer 16

Constrictor

Question 17

Types of muscles as to action: opens widely

Answer 17

Dilator

Question 18

Types of muscles as to action: hand forward

Answer 18

Pronator

Question 19

Types of muscles as to action: palm forward

Answer 19

Supinator

Question 20

Types of muscles as to action: turns

Answer 20

Rotator

Question 21

enlargement of a muscle

Answer 21

Hypertrophy

Question 22

reduction in the size

Answer 22

Atrophy

Question 23

subsequent contractions (Staircase Phenomenon)

Answer 23

Treppe

Question 24

rapid, repetitive, involuntary skeletal muscle contractions

Answer 24

Shivering

Question 25

sustained muscle contraction

Answer 25

Cramps

Question 26

State of the body after death

Answer 26

Rigor Mortis

Question 27

body enters rigor state about __ hours after
death and comes out of rigor about __ hours later

Answer 27

24

Question 28

Sinusoid membrane and contains synovial fluid. Acts as cushion.

Answer 28

Bursae