Fill in the blank: In a reflex, the ____________ neuron conducts nerve impulses along a
pathway towards the central nervous system.
Give this one a try later!
afferent or sensory
True or False: Reflexes occur only with conscious intervention from the brain.
, Give this one a try later!
False
Answer the following essay questions:
You touch a hot pan when cooking. List out the steps, in detail, of the nervous
pathway of the reflex that occurs. Include any sensory organs involved and the action
of the reflex.
Give this one a try later!
1. pain receptor in the skin sends a nerve impluse that moves along the
dendrite toward the cell body and CNS
2. after it reaches the cell body, the impluse moves along the axon of the
sensory nerve and synapse on the interneurons
3. Excitatory interneurons send singlas to motor neurons to the biceps
which leads to a muscle contraction and elbow flexion. This action causes
the hand to remove from the hot object.
4. inhibitory interneurons send signals that simultaneously prevent muscle
contractions of the triceps. If both the tricep and bicep are contracting at
the same time the hand will not move from the hot object.
The neuron pictured, below, is best described as:
Give this one a try later!
A) Bipolar
B) Correct! Multipolar
C) Unipolar
D) Pseudounipolar
pathway towards the central nervous system.
Give this one a try later!
afferent or sensory
True or False: Reflexes occur only with conscious intervention from the brain.
, Give this one a try later!
False
Answer the following essay questions:
You touch a hot pan when cooking. List out the steps, in detail, of the nervous
pathway of the reflex that occurs. Include any sensory organs involved and the action
of the reflex.
Give this one a try later!
1. pain receptor in the skin sends a nerve impluse that moves along the
dendrite toward the cell body and CNS
2. after it reaches the cell body, the impluse moves along the axon of the
sensory nerve and synapse on the interneurons
3. Excitatory interneurons send singlas to motor neurons to the biceps
which leads to a muscle contraction and elbow flexion. This action causes
the hand to remove from the hot object.
4. inhibitory interneurons send signals that simultaneously prevent muscle
contractions of the triceps. If both the tricep and bicep are contracting at
the same time the hand will not move from the hot object.
The neuron pictured, below, is best described as:
Give this one a try later!
A) Bipolar
B) Correct! Multipolar
C) Unipolar
D) Pseudounipolar
