The Skeletal System: Structure, Function, and Clinical Relevance

Question 1

What is the inorganic component that gives bone its hardness?

Accepted Answer

Hydroxyapatite

Answer

Collagen

Answer

Elastin

Answer

Osteocytes

Question 2

What is the process by which new bone tissue is formed?

Accepted Answer

Osteogenesis

Answer

Chondrogenesis

Answer

Myogenesis

Answer

Tendonogenesis

Question 3

Which hormone is essential for bone growth and development?

Accepted Answer

Growth hormone

Answer

Parathyroid hormone

Answer

Calcitonin

Answer

Thyroid hormone

Question 4

What type of connective tissue covers the ends of bones at joints?

Accepted Answer

Cartilage

Answer

Tendon

Answer

Ligament

Answer

Fascia

Question 5

Which type of muscle contraction occurs when the muscle shortens and generates movement?

Accepted Answer

Concentric contraction

Answer

Eccentric contraction

Answer

Isometric contraction

Answer

Isokinetic contraction

Question 6

What is the primary function of the axial skeleton?

Accepted Answer

Supports and protects the head, chest, and abdomen

Answer

Provides a framework for movement

Answer

Stores minerals

Answer

Produces blood cells

Question 7

Which of the following is NOT a bone of the upper limb?

Accepted Answer

Femur

Answer

Clavicle

Answer

Humerus

Answer

Radius

Question 8

What is the condition characterized by weak and porous bones?

Accepted Answer

Osteoporosis

Answer

Osteomyelitis

Answer

Osteomalacia

Answer

Paget's disease

Question 9

Which type of joint allows for the greatest range of motion, such as in the shoulder?

Accepted Answer

Ball-and-socket joint

Answer

Hinge joint

Answer

Condyloid joint

Answer

Pivot joint

Question 10

Which mineral is essential for maintaining bone strength?

Accepted Answer

Calcium

Answer

Phosphorus

Answer

Potassium

Answer

Magnesium

Question 11

Which bone in the human body is the longest?

Accepted Answer

Femur (thigh bone)

Answer

Clavicle (collarbone)

Answer

Tibia (shin bone)

Answer

Humerus (upper arm bone)

Question 12

Which vitamin is crucial for calcium absorption and bone mineralization?

Accepted Answer

Vitamin D

Answer

Vitamin A

Answer

Vitamin C

Answer

Vitamin B12

Question 13

Which hormone is responsible for regulating calcium and phosphate levels in the body?

Accepted Answer

Parathyroid hormone

Answer

Calcitonin

Answer

Insulin

Answer

Estrogen

Question 14

Which of the following is NOT a primary function of the skeletal system?

Accepted Answer

Production of blood cells

Answer

Movement

Answer

Support

Answer

Protection

Question 15

Which of the following best describes the primary function of skeletal muscle in human movement?

Accepted Answer

Generating force for movement

Answer

Providing structural support to the body

Answer

Protecting internal organs

Answer

Storing minerals and lipids

Question 16

Which condition is characterized by the breakdown of cartilage in joints, leading to pain, stiffness, and difficulty moving the joint?

Accepted Answer

Osteoarthritis

Answer

Osteoporosis

Answer

Rheumatoid arthritis

Question 17

Which of the following is NOT a primary function of the skeletal system?

Accepted Answer

Respiration

Answer

Support

Answer

Movement

Answer

Protection

Question 18

Which muscle group is responsible for flexing the knee joint?

Accepted Answer

Hamstrings

Answer

Biceps femoris

Answer

Quadriceps

Answer

Calves

Question 19

What is the type of connective tissue that connects bones to each other?

Accepted Answer

Ligament

Answer

Tendon

Answer

Cartilage

Answer

Periosteum

Question 20

Which cell type in bone is responsible for breaking down bone tissue?

Accepted Answer

Osteoclast

Answer

Osteoblast

Answer

Osteocyte

Answer

Chondrocyte

Question 21

What is the primary function of the epiphyseal plate?

Accepted Answer

To enable bone growth in length

Answer

To strengthen the bone

Answer

To connect bones to each other

Answer

To produce new bone cells

Question 22

What is the term for a condition characterized by joint inflammation?

Accepted Answer

Arthritis

Answer

Osteoporosis

Answer

Paget's disease

Answer

Rickets

Question 23

Which surgical procedure is used to replace a damaged joint?

Accepted Answer

Arthroplasty

Answer

Osteotomy

Answer

Fusion

Answer

Laminectomy

Question 24

What is the main function of the spinal cord in relation to the skeletal system?

Accepted Answer

Transmits nerve impulses

Answer

Provides structural support

Answer

Facilitates movement

Answer

Produces synovial fluid

Question 25

Which of the following is NOT a primary function of the skeletal system?

Accepted Answer

Storing and releasing hormones

Answer

Providing support for the body

Answer

Facilitating movement

Answer

Protecting internal organs

Question 26

Identify the type of bone characterized by its broad, flattened shape.

Accepted Answer

Flat bone

Answer

Long bone

Answer

Short bone

Answer

Irregular bone

Question 27

Which type of joint offers the most extensive range of motion?

Accepted Answer

Ball-and-socket joint

Answer

Hinge joint

Answer

Pivot joint

Answer

Saddle joint

Question 28

What is the primary responsibility of ligaments in the skeletal system?

Accepted Answer

Joining bones together

Answer

Attaching muscles to bones

Answer

Generating movement

Answer

Storing calcium

Question 29

Which of the following muscle types is NOT a part of the skeletal system?

Accepted Answer

Involuntary muscle

Answer

Skeletal muscle

Answer

Smooth muscle

Answer

Cardiac muscle

Question 30

What is the process by which old bone tissue is broken down and released into the bloodstream?

Accepted Answer

Resorption

Answer

Ossification

Answer

Osteogenesis

Answer

Osteolysis

Question 31

Identify the hormone that regulates blood calcium levels and promotes bone formation.

Accepted Answer

Parathyroid hormone

Answer

Calcitonin

Answer

Estrogen

Answer

Thyroid hormone

Question 32

What is the protective layer that covers the outermost bone surface called?

Accepted Answer

Periosteum

Answer

Endosteum

Answer

Synovium

Answer

Cartilage

Question 33

Which type of fracture involves complete breakage of the bone into multiple fragments?

Accepted Answer

Comminuted fracture

Answer

Closed fracture

Answer

Open fracture

Answer

Greenstick fracture

Question 34

Identify the condition characterized by weakened and brittle bones due to reduced density.

Accepted Answer

Osteoporosis

Answer

Osteoarthritis

Answer

Paget's disease

Answer

Rickets