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Anatomy & Physiology > Muscle > Flashcards

Muscle Flashcards

0
Q

What in skeletal muscle innervated by

A

Somatic nervous system

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1
Q

What type of muscle is voluntary

A

Skeletal

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2
Q

Which types of muscle are innervated by the autonomic NS

A

Smooth

Cardia

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3
Q

What type of muscle is striated, multi-nucleate and non branched

A

Skeletal

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4
Q

What type of muscle is non-striated, single nucleus and tapered

A

Smooth

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5
Q

What type of muscle is striated, single nucleus and branched

A

Cardiac

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6
Q

What type of muscle as the biceps

A

Flexor

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7
Q

What types of muscles are the triceps

A

Extensors

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8
Q

Synergistic muscles

A

Act together

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9
Q

Antagonist muscles

A

Work in opposite directions

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10
Q

What is the prime mover muscle

A

The major muscle

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11
Q

Muscles with stabilising actions are

A

Fixators

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12
Q

Name two examples of fixator muscles

A

At hand and wrist

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13
Q

Muscle fibre is made of many

A

Myofibrils

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14
Q

Muscles are collections of

A

Muscle fibres

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15
Q 
Striated muscle is found in the:
Cardiac sphincter 
Diaphragm 
Walls of bronchioles  
Blood vessels
A

Diaphragm

16
Q

Clinical testing of reflex arcs can:
Involve voluntary movements
Only be carried out if the patient is conscious
Help identify the site or level if lesion
Test the integrity of an autonomic nerve

A

Help identify the site or level of lesion

17
Q 
Which of the following is not involved in the contraction cycle of muscle:
Myosin
Actin
Calmodulin
Troponin
A

Calmodulin

18
Q 
Skeletal muscle:
Contracts spontaneously in the absence of innervation
Is under voluntary control
Contains pacemaker cells
Is caused to relax by hormones
A

Is under voluntary control

19
Q

Red muscle is … muscle

A

Endurance

20
Q

Pale muscle is … muscle, it requires more force

A

Active

21
Q

A single muscle cell = a

A

Muscle fibre

22
Q

Name three types of muscle fibre

A

Type I

Type IIA

Type IIB

23
Q

Type I muscle is slowly contracting, low force and high endurance who would use it

A

Marathon runner

24
Q

Type IIB muscle fibre is fast contracting, high force and low endurance who would use it

A

Sprinter

25
Q

1 motor muscle cell supplies X muscle fibres

A

100’s

26
Q

Myosin and actin are involved in

A

Sliding filament theory

27
Q

Sliding filament mechanism … ATP

A

Uses

28
Q

What happens during an isometric muscle contraction

A

Muscle remains the same length

29
Q

What happens during an isotonic muscle contraction

A

Muscle length shortens

30
Q

What breaks down ACh to end the muscle contraction

A

AChE esterase

31
Q

Skeletal muscles contract when stimulated by…

A

Motor nerves

32
Q

Myasthenia gravies is a failure of

A

Neuro-muscular transmission

Anatomy & Physiology (16 decks)

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