L14

Question 1

Body wall is formed by __ and supported by __

Answer 1

Muscles
Bones

Question 2

Bones of the thorax include

Answer 2

12 ribs
sternum
12 thoracic vertebra
intravertebral discs

Question 3

Bones of the abdominal wall include

Answer 3

5 lumber vertebra upper part of the ileum of the hip bone

Question 4

Bones of the pelvic wall include

Answer 4

Hip bone
sacrum
coccyx

Question 5

The spaces between the adjacent ribs are called ___
And they are filled by three muscles what are they

Answer 5

Intercostal spaces
External intercostal muscle
internal intercostal muscle
innermost intercostal muscle

Question 6

Prevent retraction of the intercostal spaces during inspiration and bulging during expiration. 

Answer 6

Intercoastal muscles

Question 7

Help in deep respiration

Answer 7

Intercostal muscles

Question 8

Quadratus lumborum
Psoas major and minor
Illiacus
Illopsas
Are related to which body wall

Answer 8

Abdominal

Question 9

Internal innermost and external muscles are related to which body wall

Answer 9

Thoracic

Question 10

Transversus abdominis internal oblique external oblique rectus abdominous are related to which body wall

Answer 10

Abdominal

Question 11

Muscles of the lateral pelvic wall include

Answer 11

Obturator internus muscle
Pisiformis muscle

Question 12

Pelvic floor aka__ include which muscles

Answer 12

Pelvic diaphragm
Lavator ani
Coccygeus muscle

Question 13

The origin of the muscle refers to its ___ while its insertion __

Answer 13

Proximal attachment
Distal attachment

Question 14

When the muscle contracts it moves towards the point of (origin / insertion )

Answer 14

Origin

Question 15

T/F knowing the insertion giver an idea about the action of the muscle

Answer 15

T

Question 16

Help in turning a force into a large movement in the body

Answer 16

Lever system

Question 17

In the lever system the bone acts as a__ while the joint acts as a__ and the effort __

Answer 17

Lever
Fulcrum
Muscle

Question 18

When a muscle contracts it shortens by % its original length specifically the length of that __

Answer 18

30
Fleshy part

Question 19

True or false the skeleton muscles are limited in their ability to lengthen

Answer 19

True

Question 20

Muscle cannot elongate beyond__P of its resting length with its bony attachment. And if it did what would happen

Answer 20

1/3rd
Muscle pull —> damage

Question 21

sudden, hard, uncontrolled contraction that is usually quite painful

Answer 21

Cramp

Question 22

Explain Rigor mortis

Answer 22

When a person dies
Circulation , nutrients to the muscles , oxygen❌❌❌
Calcium accumulates inside the sacroplasm —? Locking of the muscle in contracted position

Question 23

Increase in the size of the muscle due to excessive muscular activity

Answer 23

Muscle hypertrophy

Question 24

Increase in the number of muscle fibers

Answer 24

Muscular hyperplasia

Question 25

Explain muscular atrophy

Answer 25

When a muscle is not being stimulated by a motor neuron on a regular basis it loses muscle tone in mass and becomes flaccid and it begin to become smaller and weaker which reduces the size of the muscle

Question 26

Loss of power to contract

Answer 26

Paralysis

Question 27

A process in which excess amount of connective tissue develops making muscles less flexible

Answer 27

Fibrosis