Ch. 2 Muscles Of Inspiration

Question 0

Rib cage movement is increased by raising of the curved ribs (side to side)

Answer 0

Transverse

Question 1

Rib cage movement is increased by the contraction of the dome shaped diaphragm

Answer 1

Vertical dimension

Question 2

Rib cage movement is increased by simultaneous forward and upward movement of the sternum

Answer 2

Anterior-posterior dimension

Question 3

Deep abdominal breathing (forced inspiration breathing for speech). Also involves accessory muscles of inspiration.

Answer 3

Diaphragmatic breathing

Question 4

Primary muscle inspiration, 2nd most important muscle, separates thorax and abdomen, striated skeletal muscle because it moves skeletal structures

Answer 4

Diaphragm

Question 5

Serves as a strong and secure floor for the heart

Answer 5

Central tendon

Question 6

Three openings in the diaphragm:

Answer 6

Aortic opening (aortic hiatus), esophageal opening (esophageal hiatus), foramen vena cava

Question 7

Permits the descending aorta to pass from the thorax into the abdomen

Answer 7

Aortic opening (aortic hiatus)

Question 8

The esophagus and several small arteries pass through it

Answer 8

Esophageal opening (esophageal hiatus)

Question 9

Several nerve bundles and lymph vessels pass through it

Answer 9

Foramen vena cava

Question 10

Tells diaphragm what to do

Answer 10

Phrenic nerve