Reflex Arc and Reflexes

Question 1

stretch reflex receptors

initiates an impulse over a reflex arc

Answer 1

muscle spindles

Question 2

the impulse over a motor neuron will lead to

Answer 2

an effector

Question 3

simplest type of nerve pathway found in the nervous system

Answer 3

reflex arc

Question 4

automatic, subconscious response

Answer 4

reflex

Question 5

• single synapse between a sensory and a motor neuron within the gray matter of the spinal cord
• Ex. biceps, triceps, calcaneal

Answer 5

stretch reflex

Question 6

• interneurons in combination with sensory and motor neurons
• Ex. responses to touching hot objects or stepping on sharp objects

Answer 6

withdrawal reflex

Question 7

interneurons in a withdrawal reflex are located in the

Answer 7

gray matter/spinal cord

Question 8

a reflex arc begins with the stimulation of a ___

Answer 8

sensory receptor

Question 9

effects of a reflex are glands and __

Answer 9

muscles

Question 10

a patellar reflex employs only what kind of neurons?

Answer 10

sensory and motor

Question 11

the effector muscle of the patellar reflex is the

Answer 11

quadriceps femoris

Question 12

the sensory stretch receptors(muscle spindles) of the patellar reflex are located in the

Answer 12

quadriceps femoris

Question 13

the dorsal root of a spinal nerve contain

Answer 13

sensory neurons

Question 14

the normal plantar reflex results in what action of the toes?

Answer 14

flexion/curling

Question 15

stroking the sole of the foot in infants in dorsiflexion and toes that spread apart is called what reflex

Answer 15

babinski reflex