Anatomy and Physiology Flashcards
6 cards from real PCT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Anatomy and Physiology flashcards as text
Which organ is responsible for filtering blood and producing urine?
Answer: Kidney
The kidneys filter approximately 180 liters of blood daily, removing waste products and excess fluid to produce urine.
The main function of red blood cells (erythrocytes) is to:
Answer: Transport oxygen to body tissues
Red blood cells contain hemoglobin, which binds oxygen in the lungs and delivers it to cells throughout the body.
The largest organ of the body that serves as a barrier against infection is the:
Answer: Skin (integumentary system)
The skin is the largest organ and the body's first line of defense, forming a physical and chemical barrier against pathogens.
Which chamber of the heart pumps oxygenated blood to the body?
Answer: Left ventricle
The left ventricle is the strongest chamber, generating enough pressure to pump oxygenated blood through the aorta to the entire systemic circulation.
The exchange of oxygen and carbon dioxide occurs in which structures of the lungs?
Answer: Alveoli
Alveoli are tiny air sacs surrounded by capillaries where gas exchange occurs through a thin membrane by diffusion.
The central nervous system (CNS) consists of:
Answer: The brain and spinal cord
The CNS comprises the brain and spinal cord, which together process information and coordinate all body functions.