Motor function

What makes up the central nervous system (CNS)

• Brain

• Spinal Cord

• Nerves

• Brain and Spinal Cord

Which type(s) of muscle tissue are involuntarily controlled?

• Skeletal, Cardiac

• Cardiac only

• Smooth, Skeletal

• Cardiac, Smooth

motor unit consist of

• Motor neuron

• ­nerve fibers that innervate skeletal muscle fibers

• ­Muscle fibers it innervates

• receptor field

Name this receptor

• muscle spindle

• golgi tendon organ

• free nerve ending

• pacinian corpuscles

In which order is a signal sent from stimulus to response?

• Sensory Organ, Sensory Neuron, Interneuron, Motor Neuron, Effector

• Sensory Neuron, Sensory Organ, Interneuron, Motor Neuron, Effector

• Interneuron, Sensory Neuron, Sensory Organ, Motor Neuron, Effector

• Motor Neuron, Effector, Interneuron, Sensory Neuron, Sensory Organ

• Effector, Motor Neuron, Interneuron, Sensory Neuron, Sensory Organ

Name an effector in this diagram.

• A

• B

• E

• F

Which of these is NOT an example of reflex?

• Secretion of Sweat

• Salivation on seeing food

• Sneezing

• Withdrawal of hand on touching a hot plate

Reflex Action is controlled by...

• Autonomic nervous system

• Central nervous system

• Peripheral nervous system

• None of these

In a reflex arc, the sensory neuron leads to the ___________ and the motor neuron leads to the __________

• Spinal cord, CNS

• CNS, muscle

• Spinal cord, muscle

• Muscle, CNS

Which of the following statements is incorrect?

• In a stretch reflex, the sensory receptors are muscle spindles.

• The tendon reflex guards against damage to tendons by excessive stretching.

• The crossed extensor would help you to maintain your balance after a flexor reflex.

• The flexor (withdrawal) reflex occurs in response to a pleasant stimulus.