CBET Anatomy and Physiology Basics

Question 1

Which organ is primarily responsible for filtering blood and producing urine in the human body?

Accepted Answer

Kidney

Answer

The kidneys filter blood to remove waste products and excess fluids, producing urine as a byproduct of this filtration process.

Question 2

What is the primary function of hemoglobin in red blood cells?

Accepted Answer

Transporting oxygen

Answer

Hemoglobin is the iron-containing protein in red blood cells that binds to oxygen in the lungs and transports it to tissues throughout the body.

Question 3

The sinoatrial (SA) node is located in which chamber of the heart?

Accepted Answer

Right atrium

Answer

The SA node, often called the heart's natural pacemaker, is located in the upper wall of the right atrium near the superior vena cava opening.

Question 4

Which type of muscle tissue is found exclusively in the walls of the heart?

Accepted Answer

Cardiac muscle

Answer

Cardiac muscle (myocardium) is a unique type of striated muscle found only in the heart, capable of involuntary rhythmic contractions.

Question 5

What is the normal range for adult resting respiratory rate in breaths per minute?

Accepted Answer

12-20

Answer

The normal adult resting respiratory rate is 12-20 breaths per minute, which is a vital sign commonly monitored by patient monitoring equipment.

CBET - Certified Biomedical Equipment Technician Practice Test