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Worksheets

Let’s Quiz

Total questions: 40

Worksheet time: 13mins

Name
Class
Date
1.

The correct sequence of structures in a reflex arc is _______________.

a)

Effector → Motor neuron → Interneuron → Sensory neuron → Receptor

b)

Receptor → Motor neuron → Interneuron → Sensory neuron → Effector

c)

Receptor → Sensory neuron → Interneuron → Motor neuron → Effector

d)

Sensory neuron → Receptor → Interneuron → Effector → Motor neuron

e)

Receptor → Interneuron → Sensory neuron → Motor neuron → Effector

2.

Flat bones of the skull are formed through the process of ____________________ ossification.

a)

Endochondral

b)

Appositional

c)

Epiphyseal

d)

Intramembranous

e)

Fibrocartilaginous

3.

The component of a reflex arc that detects the stimulus is known as the ____________________.

a)

Effector

b)

Motor neuron

c)

Interneuron

d)

Sensory receptor

e)

Synapse

4.

According to Wolff’s law, bone structure adapts in response to ____________________.

a)

Hormonal imbalance

b)

Nutritional intake

c)

Ageing

d)

Genetic mutation

e)

Mechanical stress

5.

In a simple reflex arc, the neuron that connects the sensory neuron to the motor neuron is the ____________________.

a)

Sensory neuron

b)

Motor neuron

c)

Afferent neuron

d)

Efferent neuron

e)

Interneuron

6.

In the stretch reflex, muscle length changes are detected by the ____________________.

a)

Muscle spindle

b)

Golgi tendon organ

c)

Pain receptor

d)

Joint receptor

e)

Pacinian corpuscle

7.

Long bones primarily develop through ____________________ ossification.

a)

Intramembranous

b)

Subperiosteal

c)

Endochondral

d)

Appositional

e)

Lamellar

8.

The correct sequence of bone remodelling events is activation, resorption, ____________________, and mineralisation.

a)

Differentiation

b)

Growth

c)

Repair

d)

Formation

e)

Elongation

9.

Extrafusal muscle fibers are innervated by ____________________ motor neurons.

a)

Alpha

b)

Gamma

c)

Sensory type Ia

d)

Sensory type Ib

e)

Sensory type II

10.

Osteocytes are mature bone cells that function primarily to ____________________ bone tissue.

a)

Resorb

b)

Maintain

c)

Form

d)

Replace

e)

Destroy

11.

The structure that carries impulses away from the central nervous system to produce a response in a reflex arc is the ____________________.

a)

Sensory neuron

b)

Interneuron

c)

Receptor

d)

Central synapse

e)

Motor neuron

12.

One of the primary functions of bone is to support soft tissues and provide attachment for ____________________.

a)

Blood vessels

b)

Peripheral nerves

c)

Skeletal muscles

d)

Parathyroid glands

e)

Small intestines

13.

In an ipsilateral reflex, the sensory input and motor output occur on the ____________________ side of the body.

a)

Opposite

b)

Contralateral

c)

Bilateral

d)

Alternating

e)

Same

14.

Increased mechanical loading on bone stimulates bone formation through the process of ____________________.

a)

Cartilage replacement

b)

Bone ageing

c)

Endochondral growth

d)

Bone resorption

e)

Bone remodelling

15.

Calcitonin reduces bone resorption by inhibiting the activity of ____________________.

a)

Osteoblasts

b)

Osteocytes

c)

Osteoclasts

d)

Chondrocytes

e)

Fibroblasts

16.

With increasing age, bone mass tends to decrease due to an imbalance favouring ____________________ over bone formation.

a)

Mineral deposition

b)

Longitudinal growth

c)

Appositional growth

d)

Bone resorption

e)

Ossification

17.

Unlike the stretch reflex, the crossed extensor reflex involves muscle activity on the ____________________ side of the body.

a)

Ipsilateral

b)

Adjacent

c)

Same

d)

Local

e)

Contralateral

18.

The role of bone in mineral homeostasis mainly involves the storage and release of ____________________.

a)

Sodium and potassium

b)

Calcium and phosphorus

c)

Iron and copper

d)

Magnesium and chloride

e)

Zinc and iodine

19.

Bones assist in body movement by acting as ____________________ for muscle contraction.

a)

Joints

b)

Anchors

c)

Levers

d)

Shock absorbers

e)

neurotransmitters

20.

Intrafusal muscle fibers play an important role in REGULATING muscle ____________________.

a)

Force generation

b)

Power output

c)

Length shortening

d)

Rapid contraction

e)

Tone and sensitivity

21.

Bone remodelling is a continuous process involving bone resorption followed by bone ____________________.

a)

Calcification

b)

Growth

c)

Repair

d)

Formation

e)

Differentiation

22.

The withdrawal reflex is initiated by a painful stimulus and is mediated through a ____________________ reflex arc.

a)

Monosynaptic

b)

Ipsilateral only

c)

Stretch-based

d)

Cortical

e)

Polysynaptic

23.

The cell responsible for bone resorption during bone remodelling is the ____________________.

a)

Osteoblast

b)

Osteocyte

c)

Osteoclast

d)

Chondrocyte

e)

Fibroblast

24.

The crossed extensor reflex is activated primarily to ____________________ during a withdrawal response.

a)

Maintain balance by extending the opposite limb

b)

Suppress spinal reflexes

c)

Enhance pain perception

d)

Relax the contralateral limb

e)

Inhibit postural muscles

25.

Osteoblasts are derived from ____________________ stem cells.

a)

Hematopoietic

b)

Mesenchymal

c)

Endothelial

d)

Osteoclast precursor

e)

Chondrogenic

26.

The Golgi tendon reflex functions mainly to ____________________ when muscle tension becomes excessive.

a)

Increase muscle contraction

b)

Enhance muscle stretch

c)

Activate extensors

d)

Maintain posture

e)

Cause muscle relaxation to prevent injury

27.

The stretch reflex is classified as a ____________________ reflex because the sensory neuron synapses directly with the motor neuron.

a)

Polysynaptic

b)

Contralateral

c)

Protective

d)

Inhibitory

e)

Monosynaptic

28.

In a reflex arc, extrafusal muscle fibers function mainly as the ____________________.

a)

Afferent pathway

b)

Effector

c)

Integrating centre

d)

Sensory receptor

e)

Efferent pathway

29.

Aging is associated with a progressive decrease in bone mass due to reduced bone ____________________.

a)

Growth

b)

Loss

c)

Resorption

d)

Formation

e)

Osteoporosis

30.

Extrafusal muscle fibers are primarily responsible for ____________________.

a)

Detecting muscle stretch

b)

Regulating muscle sensitivity

c)

Providing proprioceptive input

d)

Maintaining muscle spindle tension

e)

Producing force and movement

31.

Longitudinal growth of long bones occurs at the ____________________.

a)

Periosteum

b)

Diaphysis

c)

Articular cartilage

d)

Medullary cavity

e)

Epiphyseal plate

32.

Increase in bone diameter during growth occurs mainly through ____________________ growth.

a)

Endochondral

b)

Appositional

c)

Longitudinal

d)

Interstitial

e)

Intracellular

33.

Intrafusal muscle fibers are located ____________________.

a)

In the tendon near the muscle insertion

b)

Within the muscle spindle

c)

Outside the muscle spindle

d)

Between muscle fascicles

e)

Along the sarcolemma of extrafusal fibers

34.

With advancing age, the activity of ____________________ decreases, contributing to reduced bone formation.

a)

Osteoblasts

b)

Osteoclasts

c)

Chondrocytes

d)

Fibroblasts

e)

Osteoprogenitor cells

35.

During a withdrawal reflex, the primary muscular response is ____________________.

a)

Activation of extensors

b)

Relaxation of flexors

c)

Co-contraction of agonist and antagonist

d)

Contraction of flexor muscles

e)

Inhibition of all skeletal muscles

36.

One structural change observed in aging bone is ____________________ of cortical bone.

a)

Thickening

b)

Mineralisation

c)

Expansion

d)

Thinning

e)

Elongation

37.

In postmenopausal women, reduced ____________________ levels accelerate bone loss.

a)

Lactin

b)

Oestrogen

c)

Growth hormone

d)

Parathyroid hormone

e)

Aldosterone

38.

Age-related changes in bone tissue increase the risk of ____________________.

a)

Muscle hypertrophy

b)

Joint dislocation

c)

Bone infection

d)

Fractures

e)

Cartilage degeneration

39.

In physiology, bone growth never stops, but bone remodelling stops!

a)

Yes

b)

No

40.

Increased load leads to increased bone density.

a)

Yes

b)

No