Lecture 6 (Respiratory System)

Question 1

Functions of respiratory system

Answer 1

get oxygen and release CO2
smell more efficiently when you take a deeper breath
deep breath
Bear down on the abdomen (Urinary, bowels and baby delivery)
Cough and sneeze release of air
Alcohol is released by air

Question 2

Nasal Cavity

Answer 2

Lined with pseduostratifed cilitated columnar epithelium
Cools the air, moisten when dry, warm the air, trap particles
Mouth does none of these
Nerve endings help us smell

Question 3

Sinuses

Answer 3

Connect to the nasal cavity, drain into the nose

Risk of infection because the blood does not reach these areas easily

Question 4

Mouth

Answer 4

Stratified squamose eiptheal

Question 5

Larynx cancer

Answer 5

Ppl that smoke tobacco, related to hot smoke

Drinking and smoking increases this risk even more than the two seperately

Question 6

Laryngitis

Answer 6

Inflammation of larynx

Question 7

Puberty

Answer 7

Causes thyroid cartilage
Vocal chords in boys become thicker and longer
Vocal chords in girls, short

Question 8

Tracheitis and bronchitits

Answer 8

Inflammation

Question 9

Neck injury

Answer 9

Can collapse the apex of the lung

Question 10

Pleuritis

Answer 10

Inflammation of pleura

Question 11

Indentation of the left lung

Answer 11

the aorta

Question 12

indentation of the right lung

Answer 12

the esphoagus

Question 13

Pulmonary surfactant

Answer 13

Produce and secreted when 8 months/ birth
Lowers surface tension of the aveoli so they inflate
Insufficient surfactant = respiratory distress in premature children

Question 14

Hiccup

Answer 14

Irritation of nerves in the diaphram, contracting the diaphram out of sequence

Question 15

Pneumonia

Answer 15

Diff kinds
Bacterial, viral, fungal
Infections of the lung
death in elderly
Blood will back up in the lungs and infection occurs
Stroke makes you more vulnerable to pnuomia
Blood and mucus fluid in the lungs

Question 16

Tuberculosis

Answer 16

Bacterial
some a resistant to drugs
bacteria can leave lungs and circulate body, go into the bones or kidney

Question 17

Asbestosis

Answer 17

Inflammation when breathing in fibers of asbestos insulation

Question 18

Emphysema

Answer 18

Lung loses elasticity
Barrel chest, deep breath and the lung get stuck
Inflammation in bronchial and this = COPD, chronic obstructive pulmonary disease

Question 19

SIDs (Up to the first year)

Answer 19

sudden infant death syndrome
Typically die in crib
Not enough surfactant as they get older the lung fails

Question 20

Allergies and Asthma

Answer 20

Airway are too small and bronchial contact too much

Medicine allows airways to open