CNA 1 2026 INFECTION CONTROL AND
SAFETY REVIEW QUESTIONS ANSWERS
VERIFIED GUIDE
◉ Nerve tissue.
Answer: Receives and carries impulses to brain and back to body
parts
◉ Organs.
Answer: Groups of tissue with same function
◉ Largest organ.
Answer: Skin
◉ Outer layer of skin.
Answer: Epidermis
◉ Inner layer of skin.
Answer: Dermes
◉ What is found in the inner layer.
,Answer: Blood vessels, nerves, oil glands, sweat glands, hair roots
◉ What do sweat glands help the body do?.
Answer: Regulate temperature
◉ How many bones are there in the human body?.
Answer: 206
◉ Four different types of bones.
Answer: Long bone - femur
Short bone - Phalanges
Flat bone - Sternum
Irregular bone - Vertebrae
◉ What are needed for bone formation and growth.
Answer: Calcium & Phosphorus
◉ Membrane on bones.
Answer: Periosteum
◉ Located inside the center of the bone.
Answer: Bone marrow
,◉ Formed in the bone marrow.
Answer: Red blood cells
◉ Greater and lesser trochanter bone.
Answer: Hip bone
◉ Connective tissue at the end of long bones.
Answer: Cartilage
◉ What lines the joints and secrets synovial fluid.
Answer: Synovial membrane
◉ 3 major types of joints.
Answer: Ball and socket - hip
Hinge joint - elbow
Pivot joint - neck
◉ Circulatory system is made up of what?.
Answer: Blood, heart and blood vessels
◉ What do blood vessels do when they are cold?.
, Answer: Dialate
◉ What do blood vessels do when they are hot or want to maintain
heat?.
Answer: Constrict
◉ What does the blood consist of?.
Answer: Blood cells and plasma
◉ What are red blood cells called?.
Answer: Erythrocytes
◉ What are white blood cells called?.
Answer: Leukocytes
◉ What is needed for blood clotting?.
Answer: Platelets
◉ How many chambers does the heart have?.
Answer: Four
◉ What are the 2 upper chambers called?.
SAFETY REVIEW QUESTIONS ANSWERS
VERIFIED GUIDE
◉ Nerve tissue.
Answer: Receives and carries impulses to brain and back to body
parts
◉ Organs.
Answer: Groups of tissue with same function
◉ Largest organ.
Answer: Skin
◉ Outer layer of skin.
Answer: Epidermis
◉ Inner layer of skin.
Answer: Dermes
◉ What is found in the inner layer.
,Answer: Blood vessels, nerves, oil glands, sweat glands, hair roots
◉ What do sweat glands help the body do?.
Answer: Regulate temperature
◉ How many bones are there in the human body?.
Answer: 206
◉ Four different types of bones.
Answer: Long bone - femur
Short bone - Phalanges
Flat bone - Sternum
Irregular bone - Vertebrae
◉ What are needed for bone formation and growth.
Answer: Calcium & Phosphorus
◉ Membrane on bones.
Answer: Periosteum
◉ Located inside the center of the bone.
Answer: Bone marrow
,◉ Formed in the bone marrow.
Answer: Red blood cells
◉ Greater and lesser trochanter bone.
Answer: Hip bone
◉ Connective tissue at the end of long bones.
Answer: Cartilage
◉ What lines the joints and secrets synovial fluid.
Answer: Synovial membrane
◉ 3 major types of joints.
Answer: Ball and socket - hip
Hinge joint - elbow
Pivot joint - neck
◉ Circulatory system is made up of what?.
Answer: Blood, heart and blood vessels
◉ What do blood vessels do when they are cold?.
, Answer: Dialate
◉ What do blood vessels do when they are hot or want to maintain
heat?.
Answer: Constrict
◉ What does the blood consist of?.
Answer: Blood cells and plasma
◉ What are red blood cells called?.
Answer: Erythrocytes
◉ What are white blood cells called?.
Answer: Leukocytes
◉ What is needed for blood clotting?.
Answer: Platelets
◉ How many chambers does the heart have?.
Answer: Four
◉ What are the 2 upper chambers called?.
