PORTAGE LEARNING A&P II: FINAL
EXAM QUESTIONS AND ANSWERS
100% SOLVED
, This is a collection of cell bodies found in the peripheral nervous system. -
ANSWERGanglia
This part of the autonomic system increases digestion. - ANSWERParasympathetic
The ventral root of a nerve contains what type of neurons? - ANSWERMotor (Efferent)
This part of a neuron conducts nerve impulses away from the cell body. -
ANSWERAxon
An interneuron inside the spinal cord is part of the: - ANSWERCentral nervous system
Describe the synthesis and storage of neurotransmitters. - ANSWERThe neuron cell
body manufactures neurotransmitters, which are stored in secretory vesicles at the end
of axon terminals.
An afferent neuron carries information: - ANSWERFrom the peripheral to the central
nervous system
What is the location and function of Astrocytes? - ANSWERAstrocytes form the
blood/brain barrier, are found in the brain, and are part of the CNS
A patient's left thumb was severed in a cooking accident and then reattached during
surgery. Would the patient be expected to regrow axons in their thumb? Why or why
not? - ANSWERYes; Peripheral nerves can regenerate the length of the axon through
axonal regeneration because of the growth of Schwann cells ahead of the axon.
Which of the following statements is false concerning the neuromuscular junction? -
ANSWERAch is released from the presynaptic motor neuron to cause an action
potential in the muscle fiber.
How is a message sent from one neuron to another? - ANSWERA signal travels from
the cell body through the axon and releases neurotransmitters into the synapse. These
nuerotransmitters bind with receptor that carry the message to the dendrite of the next
neuron, and the process begins again.
What neurotransmitter helps regulate emotional responses and muscle tone? -
ANSWERDopamine
Name and describe what is occurring in the neuron cell membrane in section 2 of the
diagram. Include the charge of the membrane during this phase. -
EXAM QUESTIONS AND ANSWERS
100% SOLVED
, This is a collection of cell bodies found in the peripheral nervous system. -
ANSWERGanglia
This part of the autonomic system increases digestion. - ANSWERParasympathetic
The ventral root of a nerve contains what type of neurons? - ANSWERMotor (Efferent)
This part of a neuron conducts nerve impulses away from the cell body. -
ANSWERAxon
An interneuron inside the spinal cord is part of the: - ANSWERCentral nervous system
Describe the synthesis and storage of neurotransmitters. - ANSWERThe neuron cell
body manufactures neurotransmitters, which are stored in secretory vesicles at the end
of axon terminals.
An afferent neuron carries information: - ANSWERFrom the peripheral to the central
nervous system
What is the location and function of Astrocytes? - ANSWERAstrocytes form the
blood/brain barrier, are found in the brain, and are part of the CNS
A patient's left thumb was severed in a cooking accident and then reattached during
surgery. Would the patient be expected to regrow axons in their thumb? Why or why
not? - ANSWERYes; Peripheral nerves can regenerate the length of the axon through
axonal regeneration because of the growth of Schwann cells ahead of the axon.
Which of the following statements is false concerning the neuromuscular junction? -
ANSWERAch is released from the presynaptic motor neuron to cause an action
potential in the muscle fiber.
How is a message sent from one neuron to another? - ANSWERA signal travels from
the cell body through the axon and releases neurotransmitters into the synapse. These
nuerotransmitters bind with receptor that carry the message to the dendrite of the next
neuron, and the process begins again.
What neurotransmitter helps regulate emotional responses and muscle tone? -
ANSWERDopamine
Name and describe what is occurring in the neuron cell membrane in section 2 of the
diagram. Include the charge of the membrane during this phase. -
