Anatomy and Physiology Basics Flashcards
7 cards from real CNA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Anatomy and Physiology Basics flashcards as text
Which layer of skin contains sweat glands, hair follicles, and blood vessels?
Answer: Dermis
The dermis is the middle layer of skin and contains sweat glands, hair follicles, sebaceous glands, and blood vessels.
The primary function of the lymphatic system is to:
Answer: Return excess interstitial fluid to the bloodstream
The lymphatic system collects excess interstitial fluid and returns it to the circulatory system, also playing a key role in immunity.
Which type of joint allows the greatest range of motion?
Answer: Ball-and-socket joint
Ball-and-socket joints, such as the hip and shoulder, allow movement in all planes and directions, providing the greatest range of motion.
The organ responsible for filtering blood and producing urine is the:
Answer: Kidney
The kidneys filter blood to remove waste products and excess water, producing urine as a byproduct.
Which chamber of the heart pumps oxygenated blood to the entire body?
Answer: Left ventricle
The left ventricle has the thickest walls and pumps oxygenated blood through the aorta to the systemic circulation.
The process by which cells use oxygen to produce energy is called:
Answer: Cellular respiration
Cellular respiration is the metabolic process in which cells break down glucose using oxygen to produce ATP (energy).
Which bone protects the brain from injury?
Answer: Cranium
The cranium, made up of several fused bones, forms the protective bony case surrounding and protecting the brain.