PCT Anatomy and Physiology 2

Question 1

Which organ is responsible for filtering blood and producing urine?

Accepted Answer

Kidney

Answer

The kidneys filter approximately 180 liters of blood daily, removing waste products and excess fluid to produce urine.

Question 2

The main function of red blood cells (erythrocytes) is to:

Accepted Answer

Transport oxygen to body tissues

Answer

Red blood cells contain hemoglobin, which binds oxygen in the lungs and delivers it to cells throughout the body.

Question 3

The largest organ of the body that serves as a barrier against infection is the:

Accepted Answer

Skin (integumentary system)

Answer

The skin is the largest organ and the body's first line of defense, forming a physical and chemical barrier against pathogens.

Question 4

Which chamber of the heart pumps oxygenated blood to the body?

Accepted Answer

Left ventricle

Answer

The left ventricle is the strongest chamber, generating enough pressure to pump oxygenated blood through the aorta to the entire systemic circulation.

Question 5

The exchange of oxygen and carbon dioxide occurs in which structures of the lungs?

Accepted Answer

Alveoli

Answer

Alveoli are tiny air sacs surrounded by capillaries where gas exchange occurs through a thin membrane by diffusion.

Patient Care Technician Test Practice Test

Patient Care Technician Test Practice Test

PCT Anatomy and Physiology 2