BIOS 150 Week 5 Quiz Exam 1 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the primary function of the skeletal system?
A. Digest food
B. Support and protect the body
C. Pump blood
D. Produce hormones
Correct Answer: B. Support and protect the body
Rationale: Bones provide structure, protect organs, and assist in
movement.
2. What is the smallest unit of bone?
A. Osteon
B. Cartilage
C. Ligament
D. Tendon
,Correct Answer: A. Osteon
Rationale: Osteons are the basic structural unit of compact bone.
3. What type of joint allows movement in all directions?
A. Hinge
B. Ball-and-socket
C. Pivot
D. Fixed
Correct Answer: B. Ball-and-socket
Rationale: Found in shoulder and hip, allowing rotational
movement.
4. What type of joint is found in the elbow?
A. Hinge
B. Ball-and-socket
C. Pivot
D. Gliding
Correct Answer: A. Hinge
Rationale: Allows bending and straightening in one plane.
5. What is cartilage?
A. Bone marrow
B. Flexible connective tissue
C. Ligament
D. Muscle
,Correct Answer: B. Flexible connective tissue
Rationale: Reduces friction and cushions joints.
6. What is the function of ligaments?
A. Connect muscles to bones
B. Connect bones to bones
C. Protect organs
D. Store fat
Correct Answer: B. Connect bones to bones
Rationale: Ligaments stabilize joints.
7. What is the function of tendons?
A. Connect muscles to bones
B. Connect bones to bones
C. Produce red blood cells
D. Cushion joints
Correct Answer: A. Connect muscles to bones
Rationale: Tendons transmit force from muscle to bone.
8. What is the axial skeleton?
A. Limbs only
B. Skull, vertebral column, rib cage
C. Hands and feet
D. Pelvis only
, Correct Answer: B. Skull, vertebral column, rib cage
Rationale: Supports the central axis of the body.
9. What is the appendicular skeleton?
A. Skull and spine
B. Limbs and girdles
C. Rib cage only
D. Vertebrae only
Correct Answer: B. Limbs and girdles
Rationale: Allows movement and interaction with environment.
10. What is marrow?
A. Bone surface
B. Soft tissue inside bones
C. Ligament
D. Tendon
Correct Answer: B. Soft tissue inside bones
Rationale: Produces blood cells (red marrow) or stores fat (yellow
marrow).
11. What is red marrow responsible for?
A. Fat storage
B. Blood cell production
C. Hormone secretion
D. Bone growth
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the primary function of the skeletal system?
A. Digest food
B. Support and protect the body
C. Pump blood
D. Produce hormones
Correct Answer: B. Support and protect the body
Rationale: Bones provide structure, protect organs, and assist in
movement.
2. What is the smallest unit of bone?
A. Osteon
B. Cartilage
C. Ligament
D. Tendon
,Correct Answer: A. Osteon
Rationale: Osteons are the basic structural unit of compact bone.
3. What type of joint allows movement in all directions?
A. Hinge
B. Ball-and-socket
C. Pivot
D. Fixed
Correct Answer: B. Ball-and-socket
Rationale: Found in shoulder and hip, allowing rotational
movement.
4. What type of joint is found in the elbow?
A. Hinge
B. Ball-and-socket
C. Pivot
D. Gliding
Correct Answer: A. Hinge
Rationale: Allows bending and straightening in one plane.
5. What is cartilage?
A. Bone marrow
B. Flexible connective tissue
C. Ligament
D. Muscle
,Correct Answer: B. Flexible connective tissue
Rationale: Reduces friction and cushions joints.
6. What is the function of ligaments?
A. Connect muscles to bones
B. Connect bones to bones
C. Protect organs
D. Store fat
Correct Answer: B. Connect bones to bones
Rationale: Ligaments stabilize joints.
7. What is the function of tendons?
A. Connect muscles to bones
B. Connect bones to bones
C. Produce red blood cells
D. Cushion joints
Correct Answer: A. Connect muscles to bones
Rationale: Tendons transmit force from muscle to bone.
8. What is the axial skeleton?
A. Limbs only
B. Skull, vertebral column, rib cage
C. Hands and feet
D. Pelvis only
, Correct Answer: B. Skull, vertebral column, rib cage
Rationale: Supports the central axis of the body.
9. What is the appendicular skeleton?
A. Skull and spine
B. Limbs and girdles
C. Rib cage only
D. Vertebrae only
Correct Answer: B. Limbs and girdles
Rationale: Allows movement and interaction with environment.
10. What is marrow?
A. Bone surface
B. Soft tissue inside bones
C. Ligament
D. Tendon
Correct Answer: B. Soft tissue inside bones
Rationale: Produces blood cells (red marrow) or stores fat (yellow
marrow).
11. What is red marrow responsible for?
A. Fat storage
B. Blood cell production
C. Hormone secretion
D. Bone growth
