Matthew Coulson
Quiz por , criado more than 1 year ago

Physiology 5 – Motor units, muscle spindles, Golgi tendon organs and joint receptors given on 5/9/2018

115
1
0
Matthew Coulson
Criado por Matthew Coulson aproximadamente 6 anos atrás
Fechar

Physiology V: Motor Units, Muscle Spindles, Golgi Tendon Organs and Joint Receptors

Questão 1 de 15

1

When do motor neurons switch from being upper motor neurons to lower motor neurons?

Selecione uma das seguintes:

  • As they pass the C1 vertebrae

  • At the Dorsal Horn of the spinal cord

  • At the Ventral Horn of the spinal cord

Explicação

Questão 2 de 15

1

Which type of motor neurons innervate the bulk of fibres within a muscle responsible for contractile force?

Selecione uma das seguintes:

  • Alpha Motor Neurons

  • Delta Motor Neurons

  • Gamma Motor Neurons

Explicação

Questão 3 de 15

1

Which type of motor neuron innervates a sensory organ within the muscle responsible for reacting to muscle stretch?

Selecione uma das seguintes:

  • Alpha Motor Neuron

  • Delta Motor Neuron

  • Gamma Motor Neuron

Explicação

Questão 4 de 15

1

Preencha o espaço em branco para completar o texto.

The sensory organ within a muscle that detects changes to muscle length and responds to stretch is called the muscle

Explicação

Questão 5 de 15

1

Muscles that work together to perform a function are called ...
E.g. Biceps brachii and brachialis working together to perform flexion of the forearm

Selecione uma das seguintes:

  • Synergistic Muscles

  • Synchronous Muscles

  • Synovial Muscles

Explicação

Questão 6 de 15

1

Preencha o espaço em branco para completar o texto.

An α-motor neuron and all of the skeletal muscle fibres that it innervates are collectively known as a

Explicação

Questão 7 de 15

1

Preencha o espaço em branco para completar o texto.

The collection of α-motor neurons that innervate a muscle is called a motor neuron

Explicação

Questão 8 de 15

1

Preencha o espaço em branco para completar o texto.

A single action potential in an α-motor neuron causes a muscle fibre to ''

Explicação

Questão 9 de 15

1

Preencha o espaço em branco para completar o texto.

Sustained contraction of a muscle due to action potentials being fired at a very high rate is known as

Explicação

Questão 10 de 15

1

Match the skeletal muscle fibre type to its description:
: ATP derived from oxidative phosphorylation. Slow contraction and relaxation. Fatigue Resistant.
: ATP derived from oxidative phosphorylation. Fast contraction and relaxation. Fatigue Resistant.
: ATP derived from glycolysis. Rapid contraction but not fatigue resistant.

Arraste e solte para completar o texto.

    Type I Skeletal Muscle Fibre
    Type IIa Skeletal Muscle Fibre
    Type IIb Skeletal Muscle Fibre

Explicação

Questão 11 de 15

1

Of the different types of skeletal muscle fibres, which is pale/white in colour

Selecione uma das seguintes:

  • Type I

  • Type IIa

  • Type IIb

Explicação

Questão 12 de 15

1

Preencha o espaço em branco para completar o texto.

When a skeletal muscle is pulled, the muscle spindles inside that muscle react causing the muscle to resist stretch by pulling back. This is called the reflex.

Explicação

Questão 13 de 15

1

Selecione das listas do Menu para completar o texto.

( Intrafusal, Extrafusal, Parafusal ) skeletal muscle fibres are found in the muscle spindle and are innervated by ( gamma, alpha, delta ) motor neurons

Explicação

Questão 14 de 15

1

Preencha o espaço em branco para completar o texto.

At the junction of muscle and tendon, in series with extrafusal fibres, lie small 'organs' which monitor changes in muscle tension. These small 'organs' are called Organs

Explicação

Questão 15 de 15

1

What is the function of Golgi Tendon Organs?

Selecione uma das seguintes:

  • To assist and amplify the myotatic reflex

  • To bring about muscle relaxation in response to extreme muscle tension

  • To send 'help' signals to synergistic muscles in times of extreme muscle tension

Explicação

Anterior
Próximo