Skeletal System: Structure, Function, and Movement

Question 1

Which bone classification is characterized by its long, cylindrical shape?

Accepted Answer

Long bone

Answer

Short bone

Answer

Flat bone

Answer

Irregular bone

Question 2

Which type of joint allows for the most extensive range of motion?

Accepted Answer

Ball-and-socket joint

Answer

Hinge joint

Answer

Pivot joint

Answer

Saddle joint

Question 3

Which hormone is responsible for increasing bone resorption?

Accepted Answer

Parathyroid hormone

Answer

Calcitonin

Answer

Estrogen

Answer

Growth hormone

Question 4

Which organic component forms the primary framework of bone matrix?

Accepted Answer

Collagen

Answer

Hydroxyapatite

Answer

Proteoglycans

Answer

Glycosaminoglycans

Question 5

Which type of bone remodeling involves the breakdown of old bone tissue?

Accepted Answer

Resorption

Answer

Modeling

Answer

Remodeling

Answer

Formation

Question 6

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

Accepted Answer

Producing red blood cells

Answer

Providing support and protection for internal organs

Answer

Facilitating movement in conjunction with muscles

Answer

Storing minerals such as calcium and phosphorus

Question 7

Which type of joint allows for the widest range of motion, enabling movements in multiple planes?

Accepted Answer

Ball-and-socket joint

Answer

Hinge joint

Answer

Pivot joint

Answer

Saddle joint

Question 8

What is the term for the ongoing process of bone growth, repair, and remodeling throughout life?

Accepted Answer

Remodeling

Answer

Ossification

Answer

Osteoporosis

Answer

Calcification

Question 9

What is the name of the joint that connects the skull to the neck, allowing for nodding and head rotation?

Accepted Answer

Occipital-atlantal joint

Answer

Atlanto-axial joint

Answer

Glenohumeral joint

Answer

Humeroulnar joint

Question 10

What is the role of the epiphyseal plate, located at the ends of long bones during growth, responsible for?

Accepted Answer

Producing new bone cells and contributing to bone elongation

Answer

Providing a smooth articular surface for joint movement

Answer

Storing minerals and regulating bone density

Answer

Protecting the delicate bone marrow within the shaft

Question 11

Which type of fracture occurs when a bone bends and breaks on one side, often seen in children due to their pliable bones?

Accepted Answer

Greenstick fracture

Answer

Compound fracture

Answer

Comminuted fracture

Answer

Spiral fracture

Question 12

What is the name of the degenerative joint disease characterized by the breakdown of cartilage, leading to pain, stiffness, and inflammation?

Accepted Answer

Osteoarthritis

Answer

Rheumatoid arthritis

Answer

Gout

Answer

Osteoporosis

Question 13

Which type of joint movement involves a bone spinning around its own axis?

Accepted Answer

Rotation

Answer

Flexion

Answer

Extension

Answer

Abduction

Question 14

Which nutrient is essential for bone mineralization and maintaining bone density?

Accepted Answer

Calcium

Answer

Sodium

Answer

Potassium

Question 15

Which hormone is responsible for controlling bone metabolism and regulating calcium levels in the body?

Accepted Answer

Parathyroid hormone

Answer

Estrogen

Answer

Insulin

Question 16

Which of the following is a type of cartilage found in the skeletal system?

Accepted Answer

Fibrocartilage

Answer

Compact bone

Answer

Cancellous bone

Answer

Fibrous bone

Question 17

Which joint type allows for the most movement in multiple directions?

Accepted Answer

Ball-and-socket joint

Answer

Hinge joint

Answer

Pivot joint

Answer

Condyloid joint

Question 18

Which of the following hormones plays a key role in calcium metabolism and bone homeostasis?

Accepted Answer

Parathyroid hormone

Answer

Thyroid hormone

Answer

Estrogen

Answer

Insulin

Question 19

What is the function of the interosseous membrane in the forearm?

Accepted Answer

Connecting the radius and ulna bones together

Answer

Providing a passageway for blood vessels and nerves

Answer

Storing fat

Answer

Articulating with other bones to form a joint

Question 20

Which type of synovial joint is characterized by a saddle-shaped surface, allowing for both flexion and abduction?

Accepted Answer

Saddle joint

Answer

Hinge joint

Answer

Pivot joint

Answer

Ball-and-socket joint

Question 21

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

Accepted Answer

Ossification

Answer

Calcification

Answer

Cartilage formation

Answer

Osteogenesis

Question 22

What are the two main types of cartilage found in the human body?

Accepted Answer

Hyaline and fibrocartilage

Answer

Elastic and articular cartilage

Answer

Cancellous and compact cartilage

Answer

Synovial and articular cartilage

Question 23

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

Accepted Answer

Producing red blood cells

Answer

Providing support and structure

Answer

Protecting vital organs

Answer

Facilitating movement

Question 24

Which type of synovial joint allows for a wide range of movement, including rotation?

Accepted Answer

Ball-and-socket joint

Answer

Hinge joint

Answer

Pivot joint

Answer

Saddle joint

Question 25

What type of connective tissue connects bones to each other at joints, providing stability and flexibility?

Accepted Answer

Ligament

Answer

Tendon

Answer

Cartilage

Answer

Fascia

Question 26

What is the process through which new bone tissue is formed, contributing to bone growth and repair?

Accepted Answer

Osteogenesis

Answer

Osteoclasis

Answer

Osteolysis

Answer

Ossification

Question 27

Which hormone plays a crucial role in regulating calcium metabolism, maintaining blood calcium levels and bone health?

Accepted Answer

Parathyroid hormone

Answer

Thyroid hormone

Answer

Insulin

Answer

Estrogen

Question 28

What condition is characterized by decreased bone mass and density, making bones weak and susceptible to fractures?

Accepted Answer

Osteoporosis

Answer

Osteomalacia

Answer

Osteosclerosis

Answer

Osteomyelitis

Question 29

Which type of muscle attachment represents the movable end of the muscle and connects it to bone?

Accepted Answer

Insertion

Answer

Origin

Answer

Ventricle

Answer

Fascicle

Question 30

Which bone is known for its long, cylindrical shape and is the longest bone in the human body?

Accepted Answer

Femur

Answer

Tibia

Answer

Humerus

Answer

Ulna

Question 31

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

Accepted Answer

Producing blood cells

Answer

Providing structural support

Answer

Facilitating movement

Answer

Storing minerals and nutrients

Question 32

Which type of joint allows for the greatest range of motion, such as rotation and twisting?

Accepted Answer

Ball-and-socket joint

Answer

Hinge joint

Answer

Pivot joint

Answer

Saddle joint

Question 33

In the human body, which of the following bones is the longest?

Accepted Answer

Femur (thigh bone)

Answer

Tibia (shin bone)

Answer

Humerus (upper arm bone)

Answer

Fibula (lower leg bone)

Question 34

Which ligament is responsible for stabilizing the knee joint and preventing excessive forward movement of the tibia?

Accepted Answer

Anterior cruciate ligament (ACL)

Answer

Medial collateral ligament (MCL)

Answer

Lateral collateral ligament (LCL)

Answer

Posterior cruciate ligament (PCL)

Question 35

What process involves the breakdown and rebuilding of bone tissue to maintain bone health?

Accepted Answer

Remodelling

Answer

Ossification

Answer

Resorption

Answer

Mineralization

Question 36

Which hormone plays a crucial role in regulating calcium levels in the bloodstream?

Accepted Answer

Parathyroid hormone (PTH)

Answer

Insulin

Answer

Glucagon

Answer

Calcitonin

Question 37

What type of joint movement occurs when two bones move towards each other, decreasing the angle between them?

Accepted Answer

Flexion

Answer

Extension

Answer

Abduction

Answer

Adduction

Question 38

Which muscle group is primarily responsible for extending the knee joint and straightening the leg?

Accepted Answer

Quadriceps

Answer

Hamstrings

Answer

Calves

Answer

Biceps femoris

Question 39

What is the name of the thin membrane that lines the inner surface of bones and covers the bone marrow?

Accepted Answer

Endosteum

Answer

Periosteum

Answer

Cancellous bone

Answer

Compact bone

Question 40

Which of the following is a type of synovial joint that allows for a wide range of movement in multiple planes?

Accepted Answer

Ball and socket

Answer

Sesamoid

Answer

Cartilaginous

Answer

Fibrous

Question 41

Identify the primary function of the skeletal system:

Accepted Answer

Provides support and protection for the body and its organs

Answer

Regulates body temperature

Answer

Produces hormones

Question 42

Which of the following is a dense connective tissue that covers and cushions the ends of bones at movable joints?

Accepted Answer

Articular cartilage

Answer

Tendon

Answer

Ligament

Answer

Fascia

Question 43

What is the term for the ongoing process of bone breakdown and rebuilding to maintain bone health?

Accepted Answer

Bone remodeling

Answer

Ossification

Answer

Calcification

Answer

Osteoporosis

Question 44

Which hormone is responsible for increasing calcium levels in the blood, promoting bone formation?

Accepted Answer

Parathyroid hormone

Answer

Growth hormone

Answer

Calcitonin

Question 45

What condition weakens bones, making them prone to fractures and deformity?

Accepted Answer

Osteoporosis

Answer

Arthritis

Answer

Scoliosis

Answer

Rickets

Question 46

Which of the following is NOT a function of ligaments?

Accepted Answer

Attaching bones to muscles

Answer

Limiting joint movement

Answer

Transmitting forces between bones

Answer

Stabilizing joints

Question 47

Identify the bone that forms the lower jaw:

Accepted Answer

Mandible

Answer

Scapula

Answer

Clavicle

Answer

Maxilla

Question 48

Which biomechanical principle describes the use of bones as levers to amplify force and facilitate movement?

Accepted Answer

Leverage

Answer

Osmosis

Answer

Diffusion

Answer

Active transport

Question 49

Identify the type of bone cell responsible for breaking down bone tissue:

Accepted Answer

Osteoclast

Answer

Osteocyte

Answer

Chondroblast

Answer

Osteoblast