respiratory system

Question 1

opening for external air

Answer 1

nose (and mouth)

Question 2

mucus

Answer 2

covers and protects epithelial lining

Question 3

intrinsic muscles

Answer 3

In larynx
- increase TENSION on vocal folds -> alter sound pitch

Question 4

glottis & epiglottis

Answer 4

glottis = opening in LARYNX

epiglottis = cartilage FLAP (prevent food in airway)

Question 5

trachea is cartilage joined by

Answer 5

connective tissue

Question 6

bronchi’s smooth muscles allow

Answer 6

contraction of airway -> open/close tightly

Question 7

alveoli contain

Answer 7

simply squamous epithelium

Question 8

surfactant

Answer 8

fluid coating alveoli -> reduce surface tension
- made by LUNGS

Question 9

anml born prematurely would

Answer 9

lack needed surfactant lvls - cant inflate lungs properly

• use respirator until matured

Question 10

mvts of diaphrahm

Answer 10

• related = arched up into thorax
• contracted = flatten + pushes towards abdomen

Question 11

when blood = low o2

Answer 11

cyanosis - blood = bluish + dark

Question 12

T/F pneumonia = very infectious

Answer 12

TRUE

Question 13

pneumonia is caused by

Answer 13

bacteria or viral

Question 14

pyothorax

Answer 14

INFECTION in thorax
- can be more than just blood (hemothorax)

• WBCs, inflam fluid, debris
• can be 2ndary to pneumonia

Question 15

what disease causes a decrease in ability to o2 blood

Answer 15

pyothorax
- can lead to resp distress