BIO 168 EXAM 4 EXAM WITH CORRECT
QUESTIONS AND ANSWERS 2025
List the functions of the Nervous System - CORRECT-ANSWERSReceptors 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.
What makes up the Central Nervous System? - CORRECT-ANSWERSBrain & Spinal cord
What makes up the Peripheral Nervous System? - CORRECT-ANSWERSAll neural tissue
outside the CNS
What does the somatic nervous system control? - CORRECT-ANSWERSSkeletal Muscles
,What does the Automatic nervous system control? - CORRECT-ANSWERSSmooth
muscle
cardiac muscle
glands
adipose tissue
Define neuron? - CORRECT-ANSWERSBasic functional unit of nervous system.
Nerve cells specialized for intercellular communication.
Define Synapse? - CORRECT-ANSWERSSpecialized site of communication between
neuron & another cell.
What are neurons unable to do due to their lack of centrioles? - CORRECT-
ANSWERSThey Cannot Divide
So, if lost to injury or disease, seldom replaced.
What are the functions of the following receptors?
, Interoreceptors
Special sense receptors
proprioceptors
somatic sensory receptors
exteroreceptors - CORRECT-ANSWERSSomatic sensory receptors- position, touch,
pressure pain and temperature
Special sensory receptors- smell, taste, vision, balance, hearing
Interoceptors (inside)-Monitor various body systems
Proprioceptors- Monitors body position and movement of joints and muscles
Exteroceptors (outside)- Monitors sensations from the external environment.
QUESTIONS AND ANSWERS 2025
List the functions of the Nervous System - CORRECT-ANSWERSReceptors 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.
What makes up the Central Nervous System? - CORRECT-ANSWERSBrain & Spinal cord
What makes up the Peripheral Nervous System? - CORRECT-ANSWERSAll neural tissue
outside the CNS
What does the somatic nervous system control? - CORRECT-ANSWERSSkeletal Muscles
,What does the Automatic nervous system control? - CORRECT-ANSWERSSmooth
muscle
cardiac muscle
glands
adipose tissue
Define neuron? - CORRECT-ANSWERSBasic functional unit of nervous system.
Nerve cells specialized for intercellular communication.
Define Synapse? - CORRECT-ANSWERSSpecialized site of communication between
neuron & another cell.
What are neurons unable to do due to their lack of centrioles? - CORRECT-
ANSWERSThey Cannot Divide
So, if lost to injury or disease, seldom replaced.
What are the functions of the following receptors?
, Interoreceptors
Special sense receptors
proprioceptors
somatic sensory receptors
exteroreceptors - CORRECT-ANSWERSSomatic sensory receptors- position, touch,
pressure pain and temperature
Special sensory receptors- smell, taste, vision, balance, hearing
Interoceptors (inside)-Monitor various body systems
Proprioceptors- Monitors body position and movement of joints and muscles
Exteroceptors (outside)- Monitors sensations from the external environment.
