Support and Movement MCQs with Answers
Which of the following best describes the primary need for support in living organisms?
To enhance sensory perception.
To resist gravity and external forces.
To facilitate reproduction.
To regulate internal temperature.
What was a significant evolutionary development that increased the need for greater support in living organisms?
The transition from unicellular to multicellular forms.
The increase in size of organisms.
The development of photosynthesis.
The shift from asexual to sexual reproduction.
What is the scientific study of bones and cartilage called?
Myology
Histology
Osteology
Neurology
An individual bone is composed of a variety of tissues. Which of the following is NOT typically found in an individual bone?
Bone tissue
Cartilage
Muscle tissue
Nerve tissue
In a long bone, the broad terminal parts are called the:
Diaphysis
Periosteum
Epiphysis
Endosteum
Which part of a long bone is also known as the shaft and contains a central cavity filled with yellow bone marrow?
Epiphysis
Diaphysis
Periosteum
Spongy bone
The outer connective tissue layer around a bone is known as the:
Endosteum
Periosteum
Compact bone
Spongy bone
Which of the following bone structures primarily contains red bone marrow in its spaces?
Compact bone
Periosteum
Spongy bone
Yellow bone marrow
What is the primary function of osteoblasts?
To destroy bone tissue.
To maintain healthy bone tissue.
To synthesize and secrete unmineralized ground substance.
To regulate calcium release to blood.
What do osteoblasts become once they are surrounded by the bone matrix?
Osteoclasts
Chondrocytes
Osteocytes
Fibroblasts
What is a key function of osteocytes in healthy bone tissue?
Breaking down bone for calcium release.
Synthesizing new bone matrix.
Secreting enzymes and influencing bone mineral content.
Forming cartilage.
Which type of bone cell is responsible for bone resorption?
Osteoblasts
Osteocytes
Osteoclasts
Chondrocytes
The work of osteoclasts is important for which of the following processes?
Cartilage formation.
Muscle contraction.
Bone growth and repair.
Nerve tissue development.
How does cartilage compare to bone in terms of strength?
Cartilage is stronger than bone.
Cartilage is as strong as bone.
Cartilage is not as strong as bone.
Strength comparison varies greatly by type.
The flexibility of cartilage is primarily due to its matrix being:
Densely packed with minerals.
Composed of dead cells.
Containing collagenous and elastic fibers.
Highly vascularized.
What is the dense layer of collagen fibers covering the cartilage matrix called?
Periosteum
Endosteum
Perichondrium
Lacunae
The living cells of cartilage are known as:
Osteocytes
Osteoblasts
Chondrocytes
Fibrocytes
How do chondrocytes primarily receive their nutrient supply?
Through direct blood vessels.
By diffusion.
Via nerve tissue.
Through direct contact with bone.
Why does cartilage heal very slowly?
It lacks nerve tissue.
It has a very rigid matrix.
It lacks blood vessels.
It is constantly under pressure.
Which type of cartilage is found at the ends of long bones, in the nose, larynx, and trachea?
Fibrocartilage
Elastic cartilage
Hyaline cartilage
Reticular cartilage
Where is fibrocartilage typically found in the adult human body?
Ear flaps and epiglottis.
Ends of long bones.
Disks between vertebrae.
Nose and trachea.
In comparison to cartilage, collagen fibers in bone are:
Loosely packed.
Densely packed.
Absent.
Randomly arranged.
Which of the following cell types is characteristic of cartilage but not bone?
Osteoblasts
Osteocytes
Osteoclasts
Chondrocytes
What is a key difference regarding blood vessels between bone and cartilage?
Both bone and cartilage have abundant blood vessels.
Bone has blood vessels, but cartilage does not.
Cartilage has blood vessels, but bone does not.
Neither bone nor cartilage has blood vessels.
Which substance is deposited in bone but not in cartilage?
Collagen
Water
Minerals.
Protein fibers.
What is the external covering of bone called, which differs from that of cartilage?
Perichondrium
Endosteum
Periosteum
Joint capsule
How many bones are typically found in the human skeletal system?
The human skeletal system is primarily divided into two main divisions. What are they?
Upper and Lower skeleton.
Anterior and Posterior skeleton.
Axial and Appendicular skeleton.
Cranial and Post-cranial skeleton.
Which of the following is included in the axial skeleton?
Pelvic girdle
Forelimbs
Rib cage
Hind limbs
How many bones are present in the human head?
How many cranial bones form the cranium?
Which of the following are paired cranial bones?
Frontal and Occipital
Ethmoid and Sphenoid
Parietal and Temporal
Vomer and Mandible
Which of the following is an unpaired cranial bone?
Parietal
Temporal
Frontal
Lacrimal
How many facial bones are there in the human skull?
Which of the following is a paired facial bone?
Mandible
Vomer
Maxilla
Hyoid
Which of the following is an unpaired facial bone?
Zygomatic
Nasal
Mandible
Palatine
The three pairs of middle ear ossicles are:
Femur, Tibia, Fibula
Humerus, Ulna, Radius
Malleus, Incus, Stapes
Carpals, Metacarpals, Phalanges
What is a unique characteristic of the hyoid bone?
It articulates with the sternum.
It forms part of the cranium.
It does not articulate with any other head bone.
It is a paired bone.
How many vertebrae typically make up the human vertebral column?
How many cervical vertebrae are there in the human vertebral column?
Which of the following is the first cervical vertebra?
Which characteristic is typical of thoracic vertebrae?
They are found in the neck region.
They are rib-carrying vertebrae.
They are present in the abdominal region.
They are fused to form the sacrum.
How many lumbar vertebrae are typically found in the human vertebral column?
The sacrum is formed by the fusion of how many vertebrae?
Which bones articulate with the sacrum to form the back of the pelvis?
Ischial bones
Pubic bones
Iliac bones
Femur bones
How many coccygeal vertebrae are fused in adults to form the coccyx?
How many pairs of ribs make up the rib cage?
Which ribs attach directly to the sternum?
Floating ribs
False ribs
True ribs
Both false and floating ribs
Which rib pairs are classified as false ribs?
1st-7th pairs
8th, 9th, and 10th pairs
11th and 12th pairs
All ribs that attach indirectly to the sternum
Which rib pairs are known as floating ribs?
1st-7th pairs
8th, 9th, and 10th pairs
11th and 12th pairs
Only the 12th pair
The appendicular skeleton includes skeletal parts present in:
The skull and vertebral column.
The rib cage and sternum.
Appendages (arms and legs).
The axial skeleton.
The pectoral girdle consists of a pair of clavicles and a pair of:
Humerus
Scapula
Pelvic bones
Sternum
Which of the following bones is NOT part of the upper limb (forelimb)?
The spherical head of the humerus fits into which cavity?
Acetabulum
Glenoid cavity
Pubic symphysis
Lacunae
The radius bone is located on which side of the forearm?
Inner side
Outer side
Posterior side
Superior side
How many short bones make up the carpals, forming the wrist?
Which bones make up the palm of the hand?
Carpals
Metacarpals
Phalanges
Tarsals
How many phalanges does the human thumb possess, compared to other fingers?
Three, same as other fingers.
Two, while other fingers have three.
Four, more than other fingers.
One, fewer than other fingers.
The pelvic girdle is made up of three units that form the coxa. These units are the ileum, ischium, and:
Which of the following bones is part of the hind limb?
Ulna
Radius
Patella
Clavicle
What is the definition of a joint or articulation?
A place where muscles attach to bones.
A place where two bones or bone and cartilage come together.
The rigid connection between two bones.
The fluid-filled sac in a synovial capsule.
What is the scientific study of the structure and function of joints called?
Osteology
Myology
Arthrology
Neurology
Which characteristic defines fibrous joints?
They are freely moveable.
They are united by cartilage.
Bones are connected with no joint cavity.
They contain synovial fluid.
An example of a fibrous joint is found in the:
Knee
Pubic symphysis
Skull sutures
Elbow
Which statement is true regarding cartilaginous joints?
They are freely moveable.
They are united by cartilage and lack a joint cavity.
They always have a wide gap between bones.
They are covered by a synovial membrane.
What type of movement do cartilaginous joints generally allow?
Freely moveable.
No movement.
Little movement.
Full rotation.
Which of the following is an example of a cartilaginous joint?
The shoulder joint.
The intervertebral disc.
The knee joint.
The ankle joint.
What type of movement is characteristic of synovial joints?
Immoveable
Slightly moveable
Freely moveable
Limited to one plane
What is secreted by the inner lining of the synovial membrane within a synovial joint capsule?
Collagen
Fibrous tissue
Synovial fluid
Hyaline cartilage
Which of the following is an example of a synovial joint?
Skull suture
Pubic symphysis
Hinge joint
Rib attachment to sternum
What is the medical term for joint replacement?
Osteology
Arthroscopy
Arthroplasty
Myectomy
Artificial joints are commonly composed of metal in combination with modern:
Rubber
Ceramics
Plastics
Glass
How do the skeleton and muscular systems together maintain bipedal posture?
The skeleton alone provides all necessary support.
Muscular systems work independently of the skeleton.
Muscular systems works along with the skeleton.
Bipedal posture is maintained only through passive balance.
Each intervertebral disc consists of an inner semifluid part called the nucleus pulposus and an outer ring of fibrocartilage called the:
Periosteum
Annulus fibrosus
Synovial membrane
Medullary cavity
What is the primary function of the nucleus pulposus in an intervertebral disc?
To firmly hold vertebrae together.
To provide elasticity and compressibility.
To secrete synovial fluid.
To prevent bone-to-bone contact.
The strong outer ring of fibrocartilage that holds together successive vertebrae is the:
Nucleus pulposus
Joint capsule
Annulus fibrosus
Ligament
What is spondylosis characterized by?
Inflammation of joints.
Reduced bone mass.
Immobility and fusion of a vertebral joint.
Pain in the leg due to nerve pressure.
Sciatica refers to symptoms such as pain, weakness, numbness, or tingling in the leg. What is its direct cause?
Inflammation of the knee joint.
Injury to or pressure on the sciatic nerve.
Metabolic disorder affecting joints.
Degeneration of articular cartilage.
Which of the following is a common cause of sciatica?
Gouty arthritis
Osteoporosis
Slipped disc
Rheumatoid arthritis
What are typical symptoms of arthritis?
Increased bone density.
Pain after walking.
Improved joint flexibility.
Numbness in limbs.
Which type of arthritis is a progressive disease where articular cartilages gradually soften and disintegrate?
Rheumatoid arthritis
Gouty arthritis
Osteoarthritis
Septic arthritis
Osteoarthritis commonly affects which joints?
Skull sutures and fibrous joints.
Knee, hip, and intervertebral joints.
Elbow and shoulder joints only.
Joints of the fingers and toes only.
What is the underlying cause of rheumatoid arthritis?
Nutritional deficiency.
Excessive uric acid deposition.
An autoimmune disorder.
Physical trauma to the joint.
Gouty arthritis results from a metabolic disorder leading to the deposition of which crystals in the joints?
Calcium phosphate crystals.
Sodium urate crystals.
Oxalate crystals.
Collagen crystals.
Which joint is most commonly affected by gouty arthritis?
Knee joint
Hip joint
Big toe joint
Elbow joint
Osteoporosis is characterized by:
Increased bone mass and decreased fracture risk.
Reduced bone mass and an increased risk of fracture.
Inflammation of joints.
Softening of articular cartilages.
Why is adequate calcium intake in teenage years and twenties a preventive action against osteoporosis?
It prevents joint inflammation.
It promotes cartilage regeneration.
It increases peak bone mass.
It directly reduces osteoclast activity.
What is the medical term for a broken bone?
Sprain
Dislocation
Fracture
Contusion
Bone fractures occur when the physical force exerted on the bone is:
Less than the bone's strength.
Equal to the bone's strength.
Stronger than the bone itself.
Applied slowly over time.
In which type of fracture does the skin remain intact, without any penetration by the bone ends?
Compound fracture
Complicated fracture
Closed fracture
Stress fracture
What characterizes a compound fracture?
The skin is intact over the fracture site.
The bone ends penetrate the skin and form a wound.
It damages adjacent internal organs.
It is a minor crack in the bone.
When a fracture damages adjacent internal organs, it is classified as a:
Simple fracture
Compound fracture
Complicated fracture
Hairline fracture
What is the very first step in the repair process of a simple bone fracture?
Bony callus formation.
Bone remodeling.
Haematoma.
Fibrocartilaginous callus formation.
During haematoma formation at a fracture site, what happens to the blood vessels in the bone and surrounding tissues?
They constrict to limit blood flow.
They are torn, leading to haemorrhage.
They become stronger and reinforce the bone.
They form new connections immediately.
Following the formation of a haematoma at a fracture site, what happens to the bone cells deprived of nutrition?
They rapidly multiply.
They become active in repair immediately.
They die.
They convert into blood cells.
After a fracture and haematoma formation, the tissue at the fracture site typically becomes:
Stronger and rigid.
Swollen and inflamed.
Numb and discolored.
Warm and dry.
A mass of clotted blood that forms at a fracture site is specifically called a:
Callus
Plaque
Haematoma
Cyst
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