Locomotion and Movement Test

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Locomotion and Movement Test - 44

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Question 1
1 / -0

The only movable bone in the skull is?

A
Mandible

B
Maxilla

C
Ethmoid

D
Sphenoid

Solution

A.Mandible or jaw bone-is the only movable bone of the skull, forming the temporomandibular joint with the temporal bone.
So correct answer is option A.Mandible
Question 2
1 / -0

Contractile proteins include:

A
Troponin

B
Tropomyosin

C
Actin and myosin

D
All the three

Solution

The main components of protein in muscle is actin and myosine that form thin and thick fibers respectively.

The troponin and tropmyosine come under the category of regulatory proteins that regulate the process of muscle contraction.

for example troponin binds with tropomysosine to inhibit actin and myosine interaction during relaxation stage.

Hence the correct answer is (C).
Question 3
1 / -0

Muscles which are found between ribs and breast are called -

A
Pectoralis major

B
Dartos muscles

C
Pelvic muscle

D
Mammary muscle

Solution

The breasts lie over the pectoralis major muscle and the uppermost portion of the rectus abdominis muscle between the second and sixth ribs.
So, the correct option is A.
Question 4
1 / -0

Find out the correct sequence of muscle structures/components present one within the other

A
Muscle fibre $$\longrightarrow $$ Myofilament $$\longrightarrow $$ Muscle bundle $$\longrightarrow $$ Myofibril

B
Muscle bundle $$\longrightarrow $$ Muscle fibre$$\longrightarrow $$ Myofibril $$\longrightarrow $$ Myofilament

C
Muscle bundle $$\longrightarrow $$ Muscle fibre $$\longrightarrow $$ Myofilament $$\longrightarrow $$ Myofibril

D
Muscle fibre $$\longrightarrow $$ Muscle bundle $$\longrightarrow $$ Myofilament $$\longrightarrow $$ Myofibril
Solution
- A muscle comprises many muscle tissues bundled together as muscle bundles.
- Each Muscle bundle contains many muscle fibres.
- Muscle fibres are in turn composed of myofibrils.
- The myofibril is composed of thick and thin myofilament, constructed from proteins, principally myosin or actin.
So, the correct option is B.
Question 5
1 / -0

Myasthenia gravis is a/an

A
Autoimmune disease caused due to non-secretion of acetylcholine at neuromusclar junction.

B
Muscle related disease, caused by hormonal disorder.

C
Autoimmune disease, caused due to non-section of CSF.

D
Autommune disease, caused due to non-conduction of impulses at neural junction.

Solution

Myasthenia gravis is an autoimmune disease that destroys the skeletal muscles responsible for actions such as swallowing, breathing, etc. It is caused due to the inability of muscles to respond to the nerve impulse due to the destruction of the receptors of acetylcholine on them. The acetylcholine is secreted from the neurons at the neuromuscular junction which is not perceived by the muscles as their receptors have been destroyed by the antibodies.
Hence, the correct answer is 'Autoimmune disease, caused due to non-conduction of impulses at neural junction'
Question 6
1 / -0

A shallow depression in the scapula which receives the head of the upper arm bone is known as the?

A
Acetabulum

B
Neural arch

C
Glenoid cavity

D
Olecranon fossa

Solution

The glenoid cavity of scapula is a part of the shoulder. It is a shallow, pyriform articular surface, which is located on the lateral angle of the scapula.
So correct answer is option C.Glenoid cavity.
Question 7
1 / -0

Which of these is a part of appendicular skeleton?

A
Ribs

B
Cranium

C
Clavicle

D
Vertebrae

Solution

Appendicular skeleton is the part of the skeleton of vertebrates. It consists of bones that support the appendages. Ther are four parts of appendicular skelton:
1) Pectoral girdle - Clavicle and scapula
2) lower limb
3) upper limb
4) Pelvic girdle- hip bones
Hence , option C is correct .
Question 8
1 / -0

Acromion process is characteristically found in the ______ of mammals.

A
Pectoral girdle

B
Ribs

C
Pelvic girdle

D
None of these

Solution

A.Acromian process-is found in pectoral girdle of mammals. Pectoral girdle consists of scapula and clavicle. The scapula consists of a sharp ridge, the spine and a triangular body, The end of the spine projects as a flattened and expanded process called acromian.
B.Ribs-
a series of slender curved bones articulated in pairs to the spine (twelve pairs in humans), protecting the thoracic cavity and its organs.
C.Pelvic girdle-
in vertebrates the enclosing structure formed by the bony pelvis, providing attachment for the hindlimbs or pelvic fins.
So Correct answer is option A.Pectoral girdle.
Question 9
1 / -0

How many bones make up the human axial skeleton?

A
$$80$$

B
$$96$$

C
$$796$$

D
$$206$$
Solution
- The axial skeleton has 80 bones that form the skull, vertebral column, sternum, and ribs.
- The distribution of 80 bones is as follows- 29 bones in the head (8 cranial and 14 facial bones), 25 bones of the thorax (the sternum and 24 ribs), and 26 bones in the vertebral column (24 vertebrae, the sacrum, and the coccyx).
Thus the correct answer is option A.
Question 10
1 / -0

Syndesmosis is a _______ joint.

A
Fibrous

B
Cartilaginous

C
Synovial

D
Movable

Solution

A. Fibrous

Reason: A syndesmosis, a subcategory of fibrous joints. It is a slightly movable articulation where the contiguous bony surfaces are united by an interosseous ligament, such as the tibiofibular articulation.

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Locomotion and Movement Test - 44

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Locomotion and Movement Test - 44

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SHARING IS CARING

Question 1

Mandible

Maxilla

Ethmoid

Sphenoid

Solution

Question 2

Troponin

Tropomyosin

Actin and myosin

All the three

Solution

Question 3

Pectoralis major

Dartos muscles

Pelvic muscle

Mammary muscle

Solution

Question 4

Muscle fibre $$\longrightarrow $$ Myofilament $$\longrightarrow $$ Muscle bundle $$\longrightarrow $$ Myofibril

Muscle bundle $$\longrightarrow $$ Muscle fibre$$\longrightarrow $$ Myofibril $$\longrightarrow $$ Myofilament

Muscle bundle $$\longrightarrow $$ Muscle fibre $$\longrightarrow $$ Myofilament $$\longrightarrow $$ Myofibril

Muscle fibre $$\longrightarrow $$ Muscle bundle $$\longrightarrow $$ Myofilament $$\longrightarrow $$ Myofibril

Solution

Question 5

Autoimmune disease caused due to non-secretion of acetylcholine at neuromusclar junction.

Muscle related disease, caused by hormonal disorder.

Autoimmune disease, caused due to non-section of CSF.

Autommune disease, caused due to non-conduction of impulses at neural junction.

Solution

Question 6

Acetabulum

Neural arch

Glenoid cavity

Olecranon fossa

Solution

Question 7

Ribs

Cranium

Clavicle

Vertebrae

Solution

Question 8

Pectoral girdle

Ribs

Pelvic girdle

None of these

Solution

Question 9

$$80$$

$$96$$

$$796$$

$$206$$

Solution

Question 10

Fibrous

Cartilaginous

Synovial

Movable

Solution

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