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Med Surg Quiz 4 Practice Questions and Answers Latest Updated Rated A+
Which type of bone cell is responsible for resorbing (breaking down) bone tissue?
a. Osteocytes
b. Osteoblasts
c. Osteoclasts
d. Chondrocytes
? Correct answer: c. Osteoclasts
9 Rationale: Osteoclasts break down bone tissue during remodeling. Osteoblasts build bone, osteocytes
�.
maintain bone, and chondrocytes produce cartilage.
_ hich connective tissue structure connects muscle to bone?
W
a. Ligaments
b. Cartilage
c. Tendons
d. Fascia
? Correct answer: c. Tendons
�9.Rationale: Tendons connect muscle to bone, ligaments connect bone to bone, cartilage cushions joints, and
fascia encloses muscles.
The meniscus of the knee is an example of which type of connective tissue?
a. Ligament
b. Cartilage
c. Bursa
d. Fascia
? Correct answer: b. Cartilage
9 Rationale: The meniscus is a specialized fibrocartilage that cushions and stabilizes the knee joint
�.
H ovement occurs when skeletal muscles contract and pull on:
M
a. Ligaments
b. Tendons
c. Joints
d. Fascia
? Correct answer: b. Tendons
9� Rationale: Tendons attach muscle to bone; contraction pulls tendons, moving bones at joints.
.
_ hich best describes the relationship between agonist and antagonist muscles?
W
a. Both contract simultaneously to strengthen movement
b. One contracts while the other relaxes to allow smooth motion
, c. They stabilize joints but do not cause movement
d. They connect bones together across joints
? Correct answer: b. One contracts while the other relaxes to allow smooth motion
9Rationale: Agonist muscles perform movement, while antagonists relax to allow full range of motion.
�.
Which bone protects the spinal cord?
a. Sternum
b. Skull
c. Vertebrae
d. Pelvis
? Correct answer: c. Vertebrae
.� Rationale: The vertebral column encloses and protects the spinal cord.
9
� he ribs protect which vital organs?
T
a. Kidneys and pancreas
b. Heart and lungs
c. Brain and spinal cord
d. Liver and intestines
? Correct answer: b. Heart and lungs
9 Rationale: The rib cage protects the thoracic cavity, especially the heart and lungs.
�.
Cartilage and bursae contribute to musculoskeletal protection by:
a. Increasing bone density
b. Reducing friction and absorbing shock
c. Promoting calcium storage
d. Connecting bone to bone
? Correct answer: b. Reducing friction and absorbing shock
9Rationale: Cartilage cushions bones and absorbs shock; bursae reduce friction between structures during
�.
movement.
_ hich of the following is a modifiable risk factor for osteoporosis?
W
a. Age
b. Gender
c. Smoking
d. Family history
Med Surg Quiz 4 Practice Questions and Answers Latest Updated Rated A+
Which type of bone cell is responsible for resorbing (breaking down) bone tissue?
a. Osteocytes
b. Osteoblasts
c. Osteoclasts
d. Chondrocytes
? Correct answer: c. Osteoclasts
9 Rationale: Osteoclasts break down bone tissue during remodeling. Osteoblasts build bone, osteocytes
�.
maintain bone, and chondrocytes produce cartilage.
_ hich connective tissue structure connects muscle to bone?
W
a. Ligaments
b. Cartilage
c. Tendons
d. Fascia
? Correct answer: c. Tendons
�9.Rationale: Tendons connect muscle to bone, ligaments connect bone to bone, cartilage cushions joints, and
fascia encloses muscles.
The meniscus of the knee is an example of which type of connective tissue?
a. Ligament
b. Cartilage
c. Bursa
d. Fascia
? Correct answer: b. Cartilage
9 Rationale: The meniscus is a specialized fibrocartilage that cushions and stabilizes the knee joint
�.
H ovement occurs when skeletal muscles contract and pull on:
M
a. Ligaments
b. Tendons
c. Joints
d. Fascia
? Correct answer: b. Tendons
9� Rationale: Tendons attach muscle to bone; contraction pulls tendons, moving bones at joints.
.
_ hich best describes the relationship between agonist and antagonist muscles?
W
a. Both contract simultaneously to strengthen movement
b. One contracts while the other relaxes to allow smooth motion
, c. They stabilize joints but do not cause movement
d. They connect bones together across joints
? Correct answer: b. One contracts while the other relaxes to allow smooth motion
9Rationale: Agonist muscles perform movement, while antagonists relax to allow full range of motion.
�.
Which bone protects the spinal cord?
a. Sternum
b. Skull
c. Vertebrae
d. Pelvis
? Correct answer: c. Vertebrae
.� Rationale: The vertebral column encloses and protects the spinal cord.
9
� he ribs protect which vital organs?
T
a. Kidneys and pancreas
b. Heart and lungs
c. Brain and spinal cord
d. Liver and intestines
? Correct answer: b. Heart and lungs
9 Rationale: The rib cage protects the thoracic cavity, especially the heart and lungs.
�.
Cartilage and bursae contribute to musculoskeletal protection by:
a. Increasing bone density
b. Reducing friction and absorbing shock
c. Promoting calcium storage
d. Connecting bone to bone
? Correct answer: b. Reducing friction and absorbing shock
9Rationale: Cartilage cushions bones and absorbs shock; bursae reduce friction between structures during
�.
movement.
_ hich of the following is a modifiable risk factor for osteoporosis?
W
a. Age
b. Gender
c. Smoking
d. Family history
