L7

Question 1

In order to draw air into the lungs you have to ______ the volume of the ______ cavity

Answer 1

Englarge; thoracic

Question 2

Inhalation/inspiration is an ______ process, meaning it involves ______ _________

Answer 2

Active; muscle contraction

Question 3

Which of these is correct?

• drawing in air enlarges the lungs
• enlarging the lungs draws in air

Answer 3

Enlarging the lungs draws in air

Question 4

What are the two major muscles of inspiration?

Answer 4

1) diaphragm

2) external intercostals

Question 5

The major muscles of inspiration are _____ active during ______, both the ____ and ______ types of inspiration

Answer 5

Always; inhalation; quiet and forced

Question 6

What are the 10 accessory muscles of inspiration?

Answer 6

1. Scalene
2. Sternocleidomastoid
3. Subclavius
4. Pectoralis major
5. Pectoral is minor
6. Costal levators
7. Serratus posterior superior
8. Serratus anterior
9. Trapezius
10. Latissimus Doris

Question 7

The accessory muscles of inspiration are usually used for ______ inhalation

Answer 7

Forced

Question 8

The ______ is the most important muscle for inspiration.

Answer 8

Diaphragm

Question 9

The diaphragm is ____-shaped aka shaped like a __________

Answer 9

Dome; Parachute

Question 10

The diaphragm separates the torso into ______ and _________ (aka _____ and _____)

Answer 10

Thorax and abdomen; upper and lower

Question 11

The external intercostals are located between the ____ and are just __________ to the internal intercostals.

Answer 11

Ribs; superficial

Question 12

The external intercostals course __________, ______ and _______ in the front and _____ and ______ in the back

Answer 12

Obliquely, inferior, and medially; inferior and lateral

Question 13

Scalenes are muscles of the ____

Answer 13

Neck

Question 14

Scalenes have three types:

Answer 14

1) anterior
2) medial/medial (largest and longest)
3) posterior (smallest and deepest)

Question 15

The sternocleidomastoid is located on the ___ of the ____.

Answer 15

Side of the neck

Question 16

The subclavius is a ______ muscle

Answer 16

Thoracic

Question 17

The pectoralis major is ___-shaped, and is located on the ____ ___ wall of the ______

Answer 17

Fan, upper front wall of thorax

Question 18

The pec minor lies _______ to the pec major

Answer 18

Deep

Question 19

The costal levators are __ ____ muscles at the ___ of the _______ wall

Answer 19

12 small, back, thoracic

Question 20

The serratus posterior superior is located at the ____ ___ portion of the ______

Answer 20

Upper back portion of the thorax

Question 21

The serratus posterior superior muscle is _____ to the costal levators

Answer 21

Superior

Question 22

The serratus posterior superior muscle and serratus anterior have __-____ appearances

Answer 22

Saw-like

Question 23

The trapezius covers the ___ of ___ and ______ region and may ________ the _____ torso

Answer 23

Back of neck and shoulder; stabilize, upper