Muscles and bones Flashcards

1
Q

Axial Skeleton is formed of

A

Skull, Vertebral column, ribs, sternum

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2
Q

Total Bones in axial skeleton

A

80 bones

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3
Q

Hypocalcemia leads to

A

Tetany

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4
Q

The pivot joint between the atlas and the axis is a type of

A

Synovial joint
C1 atlas
c2 axis

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5
Q

This ion is responsible for unmasking active sites for myosin or cross-bridge activity during muscle contraction

A

calcium

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6
Q

In sustained muscle contractions, there is a lack of relaxation between successive stimuli known as

A

Tetanus

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7
Q

A motor neuron stimulates a muscle fiber at

A

Neuromuscular junction

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8
Q

Humans have the most prominent sesamoid bone

A

Patella

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9
Q

Skeletal muscle bundles are held together by a standard connective tissue layer called

A

Fascia

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10
Q

moveable part of skulll

A

Mandible

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11
Q

Bundle of muscle

A

fasicle

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12
Q

What is the incorrect set of antagonistic muscles?

Flexor – Relaxor
Abductor – Adductor
Pronator – Supinator
Levator – Depressor

A

Flexor- Extensor

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13
Q

select the correct statement regarding the specific muscular or skeletal disorder

Gout — inflammation of joints caused by calcium deposition
Muscular dystrophy — age-related shortening of muscles
Osteoporosis — decreased bone mass and a higher risk of fractures with aging
Myasthenia gravis — an autoimmune disorder that affects myosin filament sliding

A

Myasthenia gravis — an autoimmune disorder that affects myosin filament sliding

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14
Q

This is the correct description of a certain part of a normal human skeleton

Glenoid activity is a depression to which the thigh bone articulates
the first vertebra is the axis which articulates with the occipital condyles
the 9th and 10th pairs of ribs are called the floating ribs
The parietal bone and the temporal bone of the skull are joined by a fibrous joint

A

he first vertebra is the axis which articulates with the occipital condyles

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15
Q
A
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