CHAP 7:Respiratory System Flashcards
Organs
Nasal cavity–Pharynx–Larynx–Trachea–Bronchial tubes–Lungs
Functions
Inhale fresh air into lungs
Exchange oxygen for carbon dioxide
Exhale stale air
vital signs
Respiratory rate, heart rate, temperature, and blood pressure
asthma
difficulty breathing caused by bronchospasms, dyspnea, coughing, and wheezing
apnea
not breathing while asleep
bronchospasm
involuntary contraction of smooth muscle in bronchial walls
left lung
2 lobes
crackles
abnormal crackling sound during inspiration; indicates fluid or mucus in airway; also called rales
resp rates by age
newborn: 30-60
1 year old: 18-30
16: 16-20
adult: 12-20
bradypnea
breathing too slowly; low respiratory rate
clubbing
abnormal widening and thickening of fingers due to chronic oxygen deficiency
pneumothorax
collection of air in pleural cavity; may result in collapsed lung
right lung
3 lobes