Reflex Arc

Which is NOT an example of a monosynaptic reflex?

• Patellar Reflex

• Babinski Reflex

• Biceps reflex

• Triceps reflex

Which statement is TRUE about the muscle spindle?

• The dynamic nuclear bag detects sustained stretch.

• Type Ia innervates nuclear chain and static bag fibers.

• Type II afferents are also known as Flower spray endings

• Alpha motor neurons innervate muscle spindle fibers

Which structure protects the muscle from excessive heavy loads by causing muscle to relax?

• Muscle Spindle

• Nuclear chain bag

• Neuromuscular junction

• Golgi tendon organ

What is the efferent neural supply to the muscle spindle?

• Gamma motor neurom

• Type IIb neuron

• Alpha motor neuron

• Type Ia neuron

True or False: The neurotransmitter in the NMJ is acetylcholine.

• True

• False

True or False: In the Bell Magendie Law efferent fibers leave the spinal cord via the dorsal root.

• True

• False

Which reflex is contralateral?

• Crossed extensor reflex

• Flexor reflex

• Inverse stretch reflex

• Stretch reflex

Which is NOT a component of a reflex arc?

• Sense organ

• Motor cortex

• Afferent neuron

• Synapse

Function of muscle Spindle

• 
  For stretch reflex

• 
  Monitors length of muscle

• Regulates muscle tone

• All of the above

One muscle Spindle has how many nuclear bag fibers

• 1

• 10

• 3-4

• 8