4B-Anatomy/Phys Resp

Question 1

What are the two main tasks of the respiratory system?

Answer 1

ventilation and gas exchange

Question 2

What are the muscles of INSPIRATION?

Answer 2

Diaphragm & External intercostals

Question 3

What are the muscles of EXPIRATION?

Answer 3

Internal Intercostals & Abdominal muscles

Question 4

Which muscle group does not have to work for a person to live?

Answer 4

Expiration…we naturally exhale

Question 5

What is the shape of the diaphragm when it is relaxed?

Answer 5

Dome

Question 6

What nerves keep the diaphragm alive?

Answer 6

Phrenic, C3,4,5

Question 7

Which muscles 1. elevate the ribs and 2. move the sternum anteriorly upon contraction? What are the analogies?

Answer 7

External Intercostals…1. Elevate ribs=bucket handle 2.sternum anterior=pump handleHANDS in pocket fiber orientation

Question 8

Which exhalation function does emphysema attack?

Answer 8

Elastic recoil!

Question 9

What happens to the bucket handle when the internal intercostals contract?

Answer 9

it goes down, ribs condense and push out air

Question 10

Where is the division of upper and lower respiratory structures?

Answer 10

larynx——-trach

Question 11

What is the difference between the conduction zone and the respiratory zone?

Answer 11

Condution-no gas exchange. Respiratory=gas exchange

Question 12

Where does the airway technically begin? Generation 0?

Answer 12

The trachea

Question 13

What Autonomic NS bronchoDILATES? What receptors? What NT?

Answer 13

SYMPATHETIC (breathe deeply when shit scared!). Beta2 Receptors for Epi/NorEpi

Question 14

What Autonomic NS bronchoCONTRICTS? What receptors? What NT?

Answer 14

ParaSym..Muscarinic…Ach

Question 15

What are alveoli surrounded by?

Answer 15

Pulmonary capillaries

Question 16

What type of epithelim lines the lungs?

Answer 16

pesudostratefied, columnar, cilliared epi. GOBLET CELLS=MUCUS

Question 17

What type of receptors reside in the nasal cavity?

Answer 17

Olfactory receptors

Question 18

What is inflammation of the mucosa that lines the sinuses?

Answer 18

Sinusitis

Question 19

What atet the 4 sinuses?

Answer 19

Frontal, Maxillary, Spheniodal, Ethmodal

Question 20

Is there smooth muscle in the TRAKE?

Answer 20

Yep, but it don’t do much c/o its rigidity

Question 21

What is the order? Alveolar Sacs Primary Bronchi Alveoli Secondary Bronchi Bronchioles Tertiary Bronchi Alveolar Ducts…

Answer 21

Primary Bronchi Secondary Bronchi Tertiary Bronchi Bronchioles Alveolar Ducts Alveolar Sacs Alveoli

Question 22

Which lung has 3 lobes? 2?

Answer 22

Right=3 Left=2<—HEART less ROOM!

Question 23

What is the presence of air in the intrapleural space causing collapse?

Answer 23

Pneumothorax

Question 24

What cells make surfactant?

Answer 24

Type II alveolar cells

Question 25

What is another name for alveolar macrophage?

Answer 25

Dust cell

Question 26

What makes up the wall of the alveolus?

Answer 26

Type I alveolar cell