Diving Medicine

Question 1

Deoxygenated blood is carried to the lungs by ?

Answer 1

Pulmonary artery

Question 2

Oxygenated blood is carried from the lungs back to the heart by the?

Answer 2

pulmonary vein.

Question 3

Internal respiration is?

Answer 3

Exchange of gasses between blood and body cells

Question 4

External respiration is?

Answer 4

Exchange of gasses in the lungs

Question 5

Average lung capacity

Answer 5

Question 6

STANDARD TREATMENT TABLE UPTD?

Answer 6

Dose 625

Question 7

UPTD UPPER LIMIT

Answer 7

1425 and reduces lung capacity by 10%

Question 8

Acute o2 poisoning

Answer 8

Over 1.6ppo2
V.E.N.T.I.D
Vision, ears, nausea, twitch, irritation, dizziness.
Convulsions
EXERCISE WILL INCREASE THE RISK OF o2 POISONING!

Question 9

Chronic o2 poisoning?

Answer 9

Raised ppo2 over 0.6 for long periods
Tickling, irritation, tickly cough, burning sensation, progressing to a persistent cough, lungs only.

Question 10

Anoxia

Answer 10

Complete lack of oxygen

Question 11

Hypoxia

Answer 11

Partial lack of oxygen PPo2 less than 160mb, 0.16 atm