Oxegyn Therapy

Question 1

What is the atomic number of Oxygen?

Answer 1

8

Question 2

What molecule is formed when two oxygen atoms bond covalently?

Answer 2

O2

Question 3

What percentage of the air we breathe is Oxygen?

Answer 3

21%

Question 4

At room temperature, what is the state and appearance of Oxygen?

Answer 4

Colourless and odourless gas

Question 5

What is the primary fuel source for the body?

Answer 5

Glucose

Question 6

What process requires oxygen to produce energy in the form of ATP?

Answer 6

Aerobic respiration

Question 7

How many ATP molecules does the electron transport chain produce during aerobic respiration?

Answer 7

32

Question 8

Does anaerobic respiration require oxygen?

Answer 8

No

Question 9

How many ATP molecules are produced in the Krebs cycle during anaerobic respiration?

Answer 9

2

Question 10

What molecules in red blood cells bind to Oxygen?

Answer 10

Haemoglobin

Question 11

How much oxygen dissolves in 100ml of blood?

Answer 11

0.3ml

Question 12

How much oxygen can be carried in the haemoglobin of 100ml of blood?

Answer 12

20.1ml

Question 13

What does a pulse oximeter measure?

Answer 13

Percentage of haemoglobin with oxygen attached

Question 14

A normal SpO2 level is ____ or more for most people.

Answer 14

94%

Question 15

True or False: Pulse oximetry is always reliable.

Answer 15

False

Question 16

What can reduce the accuracy of SpO2 readings?

Answer 16

Poor perfusion, dark nail polish, carbon monoxide binding

Question 17

What is cyanosis?

Answer 17

Blueness of the skin due to oxygen deficiency

Question 18

When should oxygen usually be administered?

Answer 18

SpO2 less than 92%, airway obstruction, specific indications

Question 19

What is hypercarbia?

Answer 19

High carbon dioxide level

Question 20

Name a patient group at risk of hypercarbia when given high flow oxygen.

Answer 20

Patients with COPD, morbid obesity, or on home oxygen

Question 21

What should oxygen administration be titrated to maintain?

Answer 21

SpO2 between 88-92%

Question 22

How does oxygen administration in confined spaces affect safety?

Answer 22

Increases fire risk

Question 23

What is Bleomycin?

Answer 23

A chemotherapy drug causing sensitivity to high oxygen concentrations

Question 24

What color is the bag used to store oxygen?

Answer 24

Green

Question 25

What does the gauge on an oxygen cylinder show?

Answer 25

Amount of remaining oxygen

Question 26

What flow rate does a nasal prong deliver?

Answer 26

1-4 litres per minute

Question 27

What is another name for a simple mask?

Answer 27

Hudson mask or Acute mask

Question 28

What is the flow rate for a nebulizer mask?

Answer 28

8 litres per minute

Question 29

What is the flow rate for a reservoir mask?

Answer 29

10 litres per minute

Question 30

What is the flow rate for a bag valve mask?

Answer 30

10 litres per minute

Question 31

Fill in the blank: A nebulizer mask is used to deliver ______ to the lungs.

Answer 31

medications

Question 32

What is the risk of storing an oxygen cylinder upright?

Answer 32

It can be knocked over and cause rapid gas escape

Question 33

What happens if a cylinder with a regulator is damaged?

Answer 33

It may take off like a missile

Question 34

What is the goal of oxygen delivery?

Answer 34

Achieve SpO2 of 92-96% with simplest device and lowest flow rate