test 2

Question 1

Respiration capitalizes on what?

Answer 1

balance and seeking equilibrium

Question 2

Air Pressure is what?

Answer 2

Force exerted on walls of a chamber by molecules of air

Question 3

What happens to pressure if there is a decrease in area?

Answer 3

Pressure increases

Question 4

What is Boyle’s Law

Answer 4

as the volume of a container increases, the air pressure within the container decreases

Question 5

As we inhale, what happens to lung pressure

Answer 5

it decreases

Question 6

What happens when we exhale?

Answer 6

Lung pressure increases

Question 7

What do we need to breathe?

Answer 7

skeletal support and muscles

Question 8

How many Cervical vertebrae?

Answer 8

7

Question 9

How many Thoracic?

Answer 9

12

Question 10

How many Lumbar

Answer 10

5

Question 11

How many Sacral?

Answer 11

4

Question 12

What is the coccygeal

Answer 12

fused unit of 5 vertebrae

Question 13

What is the purpose of the vertebrae?

Answer 13

To protect the spinal cord

Question 14

What is the purpose of the Thoracic vertebrae?

Answer 14

Provide basis for respiratory framework

Question 15

What is the posterior point of attachment for the ribs of the thorax?

Answer 15

Superior and infeior costal facets

Question 16

What bones make up the Pelvic girdle?

Answer 16

Ilium, Sacrum, pubic bone,ishium

Question 17

What is the ilium?

Answer 17

wing-like bone that provides support for the abdominal musculature

Question 18

What makes up the Pectoral girdle?

Answer 18

Scapula and clavicle

Question 19

What is the purpose of the scapula?

Answer 19

only skeletal attachment via the clavicle which in turn has its only attachment at the sternum

Question 20

What is the purpose of the clavicle?

Answer 20

Provides anterior support for the shoulder

Question 21

How many ribs are there?

Answer 21

12 Pairs in the thorax

Question 22

What are the 4 components of the rib?

Answer 22

Head (provides articulating surface with the spinal column, neck(anterior to the head, shaf(the body)t and the angle (point at which the rib begins its curve

Question 23

What connects rib to sternum??

Answer 23

Costal cartilage

Question 24

What are the 3 parts of the sternum called?

Answer 24

Manubrium, body, and xiphoid process

Question 25

What attaches to the manubrium?

Answer 25

clavicle and 1st rib

Question 26

What attaches to the body(corpus)?

Answer 26

5 ribs via direct costal cartilage (chondra) ribs 8,9 and 10 attached via the costal cartilage l

Question 27

At what age does the xiphoid process fuse??

Answer 27

around 17

Question 28

What makes up the upper airway?

Answer 28

nasal and oral cavities as well as the pharynx

Question 29

What makes up the lower airway?

Answer 29

larynx, trachea,bronchi, lungs

Question 30

how many rings make up the trachea?

Answer 30

16 to 20 hyaline carlilage rings

Question 31

What type of tissue makes up the majority of the alveoli?

Answer 31

squamous epithelial cell (for gas exchange)

Question 32

Another name for alveoli?

Answer 32

Septal cells

Question 33

What do the septal cells secrete?

Answer 33

Surfactant

Question 34

Ribs rock in which 2 directions during inspiration

Answer 34

Up in both lateral and anterior aspects

Question 35

What is the final tube of the respiratory passageway called?

Answer 35

terminal bronchiole

Question 36

What pleura encases the lung?

Answer 36

visceral pleura

Question 37

Which direction of muscle contraction during inspiration>

Answer 37

Antero-posterior, lateral and vertical

Question 38

What are the 3 portions of the diaphragm?

Answer 38

Sternal, Costal and Vertebral

Question 39

What does movement of the diaphragm do to the dimension of the thoracic cavity?

Answer 39

It increases or decreases it (vertically)

Question 40

What is the purpose of the external intercostals

Answer 40

Elevates the ribs upward and outward, expanding the rib cage