Nervous System Infections Questions
and Verified Answers, 100- Score
Guarantee Pass (Latest 2025).
CNS is composed of... - CORRECT ANSWERS brain and spinal cord
PNS is compose of... - CORRECT ANSWERS all the nerves outside the brain and spinal cord
2 functional divisions of the PNS... - CORRECT ANSWERS - somatic
- autonomic
Autonomic NS - CORRECT ANSWERS - involuntary smooth muscle (heart, lungs, etc.)
- parasympathetic
- sympathetic
Somatic NS - CORRECT ANSWERS - voluntary control of skeletal muscles
- one motor neuron
The autonomic NS utilizes a ___________ chain - CORRECT ANSWERS 2 neuron (preganglionic
and postganglionic)
In the parasympathetic NS, the preganglionic neuron is in the __________ and the postganglionic
neuron is __________ - CORRECT ANSWERS brainstem ; in a ganglion near the target organ
In the sympathetic NS, the preganglionic neuron is in the __________ and the postganglionic neuron is
__________ - CORRECT ANSWERS spinal cord ; in a ganglion next to the spinal cord
, Is viral or bacterial meningitis more common? - CORRECT ANSWERS viral (but you fear
bacterial meningitis more as a provider)
Bacterial meningitis is usually caused from... - CORRECT ANSWERS S. pneumoniae and N.
meningitidis
Viral meningitis is usually caused from... - CORRECT ANSWERS enteroviruses
Brain abscess from CNS infection is usually __________ caused from... - CORRECT ANSWERS
bacterial ; streptococcus, S. aureus, bacteroides, staphylococci, gram negatives
Brain abscess from CNS infection is most commonly caused from... - CORRECT ANSWERS
bacteria -- streptococcus (because it is the most common bacteria on your skin already)
Encephalitis from CNS infection is usually __________ caused from... - CORRECT ANSWERS
viral ; herpes simplex, arboviruses, mumps, measles
Bacterial encephalitis from CNS infection is rare and caused from... - CORRECT ANSWERS
listeria in brainstem
Encephalitis is usually _________, brain abscess is usually _________, and meningitis can be _________
- CORRECT ANSWERS viral ; bacterial ; both
Bacterial CNS infection pathway - CORRECT ANSWERS streptococcus pneumoniae enters the
CSF → CSF immune cells detect the bacteria via TLR → signaling transduction pathway and truggers C3
production → C3 kills bacteria but creates cytokine storm → cytokine storm recruits neutrophils → leads
to tissue damage and blood brain barrier disruption
and Verified Answers, 100- Score
Guarantee Pass (Latest 2025).
CNS is composed of... - CORRECT ANSWERS brain and spinal cord
PNS is compose of... - CORRECT ANSWERS all the nerves outside the brain and spinal cord
2 functional divisions of the PNS... - CORRECT ANSWERS - somatic
- autonomic
Autonomic NS - CORRECT ANSWERS - involuntary smooth muscle (heart, lungs, etc.)
- parasympathetic
- sympathetic
Somatic NS - CORRECT ANSWERS - voluntary control of skeletal muscles
- one motor neuron
The autonomic NS utilizes a ___________ chain - CORRECT ANSWERS 2 neuron (preganglionic
and postganglionic)
In the parasympathetic NS, the preganglionic neuron is in the __________ and the postganglionic
neuron is __________ - CORRECT ANSWERS brainstem ; in a ganglion near the target organ
In the sympathetic NS, the preganglionic neuron is in the __________ and the postganglionic neuron is
__________ - CORRECT ANSWERS spinal cord ; in a ganglion next to the spinal cord
, Is viral or bacterial meningitis more common? - CORRECT ANSWERS viral (but you fear
bacterial meningitis more as a provider)
Bacterial meningitis is usually caused from... - CORRECT ANSWERS S. pneumoniae and N.
meningitidis
Viral meningitis is usually caused from... - CORRECT ANSWERS enteroviruses
Brain abscess from CNS infection is usually __________ caused from... - CORRECT ANSWERS
bacterial ; streptococcus, S. aureus, bacteroides, staphylococci, gram negatives
Brain abscess from CNS infection is most commonly caused from... - CORRECT ANSWERS
bacteria -- streptococcus (because it is the most common bacteria on your skin already)
Encephalitis from CNS infection is usually __________ caused from... - CORRECT ANSWERS
viral ; herpes simplex, arboviruses, mumps, measles
Bacterial encephalitis from CNS infection is rare and caused from... - CORRECT ANSWERS
listeria in brainstem
Encephalitis is usually _________, brain abscess is usually _________, and meningitis can be _________
- CORRECT ANSWERS viral ; bacterial ; both
Bacterial CNS infection pathway - CORRECT ANSWERS streptococcus pneumoniae enters the
CSF → CSF immune cells detect the bacteria via TLR → signaling transduction pathway and truggers C3
production → C3 kills bacteria but creates cytokine storm → cytokine storm recruits neutrophils → leads
to tissue damage and blood brain barrier disruption
