Locomotion and Movement Test

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Locomotion and Movement Test - 46

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Weekly Quiz Competition

Question 1
1 / -0

The joint between skull and atlas which allows nodding movement is called _______.

A
Atlanto-occipital joint

B
Atlanto-axial joint

C
Occipital condyle

D
None of the above
Question 2
1 / -0

The immediate regeneration of ATP used up during muscle
contraction is facilitated by

A
Glucose

B
Glycogen

C
Lactic acid

D
Creatine phosphate

Solution

The excess ATP is used to synthesize creatine Phosphate, an energy rich molecule that is found in muscle fibres.
Question 3
1 / -0

Bundles of myofibrils of a striated muscle fibre is called as

A
Purkinje column

B
Koelliker column

C
Conheim's area

D
None of the above

Solution

Koelliker's column is also known as sarcostyles (muscle fibril) are the slender threads of a muscle fibre, composed of numerous myofilaments.
Question 4
1 / -0

Skeletal muscles are striated as

A
They are made up of many fibres.

B
They are made up of very few fibrils.

C
They show a pattern of cross-banding.

D
They have many blood vessels.

Solution

Skeletal muscles are those, which attach to bones and have the main function of contracting to facilitate movement of the skeletons. They are also sometimes known as striated muscles due to their appearance. The cause of this stripy appearance are the bands of actin and myosin, which form the sarcomere, found within the myofibrils.
Question 5
1 / -0

The intervertebral discs are pads of cartilage placed between two adjacent vertebrae; the regions of the vertebrae that are in contact with these pads are

A
Centra

B
Articulating facets

C
Spinous processes

D
Transverse processes

Solution

The central portion of a vertebra is called as the centrum. Its upper and lower surfaces are flattened and rough and provide support for the attachment to the intervertebral discs. The intervertebral disc functions to separate the vertebrae from each other and protect the surface from the shock absorption.
Question 6
1 / -0

All of the following are the properties of skeletal muscles except

A
Excitability

B
Contractility

C
Rhythmicity

D
Tonicity

Solution

Rhythmicity is the spontaneous depolarization and repolarization event, that occurs in a repetitive and stable manner only within the cardiac muscle (Cardiac rhythmicity). Skeletal muscles have the properties of excitability -when stimulated by a nerve impulse, contractility - ability to contract and relax to produce a resultant action and tonicity - existence of osmotic gradient, but no rhythmicity.
So, the correct answer is 'Rhythmicity'
Question 7
1 / -0

Anisotropic band protein is

A
Actin

B
Troponin

C
Myosin

D
Both A and C

Solution

Myosin is a thick contractile protein that forms the dark bands and is anisotropic for polarised light. Actin forms the light and isotropic bands. Correct answer is C.
Question 8
1 / -0

Sutures are

A
Movable joints

B
Cracks in the skull bone

C
Immovable joints

D
Both B and C

Solution

A suture is a type of fibrous joint, which only occurs in the skull (or cranium). They are bound together by Sharpey's fibres. These joints are synarthroses. A small movement is permitted at sutures, which contributes to the compliance and elasticity of the skull.
Question 9
1 / -0

The characteristic and an example of a synovial joint in humans is

A
Fluid filled between two joints, provides cushion : Skull bones

B
Fluid filled synovial cavity between two bones : Joint between atlas and axis

C
Lymph filled between two bones, limited movement : Gliding joint between carpals

D
Fluid cartilage between two bones, limited movement : Knee joint

Solution

The atlas and the occipital bone form the atlanto-occipital joint, which allows neck flexion. The atlanto-axial joint is a compound synovial joint. A synovial joint is a freely moveable joint, differing from other types of joints due to the presence of synovial fluid, which lubricates the joint. Most of the main joints (hands, feet, and other regions in the appendicular skeleton) are synovial joints. So, the correct answer is option B.
Question 10
1 / -0

'Gastrocnemius' are muscle found in which of the following body parts?

A
Forelimbs

B
Thigh

C
Calf

D
Abdomen

Solution

The gastrocnemius muscle is a muscle located on the back of the lower leg, being one of the two major muscles, that make up the calf. The definitive shape of the calf is the result of the medial and lateral heads of the gastrocnemius, which are situated at the posterior, upper half of the lower leg. The gastrocnemius muscle crosses both the knee joint and the ankle joint, giving it a distinct function at each joint.

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Re-Attempt Weekly Quiz Competition

Locomotion and Movement Test - 46

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Locomotion and Movement Test - 46

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SHARING IS CARING

Question 1

Atlanto-occipital joint

Atlanto-axial joint

Occipital condyle

None of the above

Question 2

Glucose

Glycogen

Lactic acid

Creatine phosphate

Solution

Question 3

Purkinje column

Koelliker column

Conheim's area

None of the above

Solution

Question 4

They are made up of many fibres.

They are made up of very few fibrils.

They show a pattern of cross-banding.

They have many blood vessels.

Solution

Question 5

Centra

Articulating facets

Spinous processes

Transverse processes

Solution

Question 6

Excitability

Contractility

Rhythmicity

Tonicity

Solution

Question 7

Actin

Troponin

Myosin

Both A and C

Solution

Question 8

Movable joints

Cracks in the skull bone

Immovable joints

Both B and C

Solution

Question 9

Fluid filled between two joints, provides cushion : Skull bones

Fluid filled synovial cavity between two bones : Joint between atlas and axis

Lymph filled between two bones, limited movement : Gliding joint between carpals

Fluid cartilage between two bones, limited movement : Knee joint

Solution

Question 10

Forelimbs

Thigh

Calf

Abdomen

Solution

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