CBET - Certified Biomedical Equipment Technician Anatomy and Physiology Basics Questions and Answers

Question 1

A patient is connected to an ECG monitor. The waveform displayed represents the electrical activity of which organ system?

Accepted Answer

Cardiovascular system

Answer

Nervous system

Answer

Respiratory system

Answer

Muscular system

Question 2

When troubleshooting a pulse oximeter that is giving an erratic SpO2 reading, the CBET should understand that the device's measurement principle is based on the absorption of light by what substance in the blood?

Accepted Answer

Hemoglobin

Answer

Plasma

Answer

White blood cells

Answer

Platelets

Question 3

Which of the following correctly traces the primary path of electrical conduction in the heart, which is fundamental to understanding ECG arrhythmias?

Accepted Answer

SA Node -> AV Node -> Bundle of His -> Purkinje Fibers

Answer

AV Node -> SA Node -> Bundle of His -> Purkinje Fibers

Answer

Bundle of His -> Purkinje Fibers -> SA Node -> AV Node

Answer

Purkinje Fibers -> Bundle of His -> AV Node -> SA Node

Question 4

A ventilator is a life-support device that assists with the primary physiological function of which organ system?

Accepted Answer

Respiratory system

Answer

Digestive system

Answer

Urinary system

Answer

Endocrine system

Question 5

A biomedical technician is servicing a capnography monitor. This device measures the concentration of carbon dioxide (CO2) in a patient's exhaled breath, which provides critical information about:

Accepted Answer

Ventilation and metabolic status

Answer

Kidney function and filtration

Answer

Neural activity and brain function

Answer

Blood glucose levels

Question 6

The functional unit of the kidney responsible for filtering waste products from the blood and producing urine is the:

Accepted Answer

Nephron

Answer

Alveolus

Answer

Neuron

Answer

Villus