Pulse Oximetry Quiz

What does a pulse oximeter measure?

• a) Blood pressure

• b) Blood glucose levels

• c) Oxygen saturation level and pulse.

• d) Body temperature

Which of the following is the normal range for oxygen saturation (SpO2) in a healthy individual?

• • a) 70-80%

• b) 80-90%

• c) 95-100%

• d)0-10%

Where is a pulse oximeter typically placed on the body?

• • a) Wrist

• b) Finger

• c) Chest

• d) Ankle

Which two wavelengths of light are used in pulse oximetry?

• • a) Red and blue

• b) Red and infrared

• c) Green and ultraviolet

• d) Yellow and infrared

What can interfere with the accuracy of a pulse oximeter reading?4

• a) Nail polish

• b) Visible dirt on finger

• • c) Poor circulation

• d) All of the above

What is the primary function of haemoglobin in the blood?

• a) Transporting nutrients

• b) Carrying oxygen

• c) Fighting infections

• d) Clotting blood

Which of the following conditions can cause a false low reading on a pulse oximeter?

• a) Hyperthermia

• b) Hypothermia

• c) Hypertension

• d) Hyperglycemia

What is the term for low oxygen levels in the blood?

• a) Hyperoxia

• b) Hypoxia

• c) Hypertension

• d) Hyperglycemia

Which of the following is NOT a common site for pulse oximeter placement?

• • a) Earlobe

• b) Toe

• c) Nose

• d) Thumb

What does SpO2 stand for?

• a) Specific Oxygen Saturation

• b) Saturation of Peripheral Oxygen

• c) Saturation of Pulmonary Oxygen

• d) Specific Pulmonary Oxygen