BIO 168 EXAM 4 comprehensive
Questions and Answers with Verified
Solutions
Question 1:
List the functions of the Nervous System
Answer:
Receptors detect changes in the internal or external environment.
Information is sent to the CNS by the sensory division of the PNS.
Information processing Motor commands are carried by the motor division
of the PNS. Effectors respond to those commands and change their
activities.
Question 2:
What makes up the Central Nervous System?
Answer:
Brain & Spinal cord
Question 3:
What makes up the Peripheral Nervous System?
Answer:
All neural tissue outside the CNS
Question 4:
What does the somatic nervous system control?
Answer:
Skeletal Muscles
, Question 5:
What does the Automatic nervous system control?
Answer:
Smooth muscle cardiac muscle glands adipose tissue
Question 6:
Define neuron?
Answer:
Basic functional unit of nervous system. Nerve cells specialized for
intercellular communication.
Question 7:
Define Synapse?
Answer:
Specialized site of communication between neuron & another cell.
Question 8:
What are neurons unable to do due to their lack of centrioles?
Answer:
They Cannot Divide So, if lost to injury or disease, seldom replaced.
Questions and Answers with Verified
Solutions
Question 1:
List the functions of the Nervous System
Answer:
Receptors detect changes in the internal or external environment.
Information is sent to the CNS by the sensory division of the PNS.
Information processing Motor commands are carried by the motor division
of the PNS. Effectors respond to those commands and change their
activities.
Question 2:
What makes up the Central Nervous System?
Answer:
Brain & Spinal cord
Question 3:
What makes up the Peripheral Nervous System?
Answer:
All neural tissue outside the CNS
Question 4:
What does the somatic nervous system control?
Answer:
Skeletal Muscles
, Question 5:
What does the Automatic nervous system control?
Answer:
Smooth muscle cardiac muscle glands adipose tissue
Question 6:
Define neuron?
Answer:
Basic functional unit of nervous system. Nerve cells specialized for
intercellular communication.
Question 7:
Define Synapse?
Answer:
Specialized site of communication between neuron & another cell.
Question 8:
What are neurons unable to do due to their lack of centrioles?
Answer:
They Cannot Divide So, if lost to injury or disease, seldom replaced.