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Exam (elaborations)
CNS Practice Exam 5 Latest Updates
CNS Practice Exam 5 
 
Which of the following minerals is a trace mineral? 
 
 chloride 
 sulfur 
 iron 
 sodium - iron 
 
Trace minerals are those minerals needed at less than 100 mg a day. Iron is a trace mineral, along with others such as copper, manganese, chromium, and molybdenum. 
 
Manganese is least likely to be found in which of the following foods? 
 
 whole grains 
 nuts 
 fruits 
 liver - liver 
 
Manganese is found in whole grains, nuts, fruits, and tea. It is functional in ...
Exam (elaborations)
CNS Practice Questions and answers correctly solved 2025/2026
PopularCNS Practice Questions and answers correctly solved 2025/2026 
 
Mr. C., who suffered a head injury this morning, is having difficulty breathing. This is a result of swelling around his: 
A) Thalamus 
B) Cerebrum 
C) Pituitary 
D) Medulla Oblongata - correct answer D 
 
This neurotransmitter stimulates the brain to increase activity: 
A) Dopamine 
B) Acetylcholine 
C) Gamma-aminobutyric acid 
D) Norepinephrine - correct answer D 
 
The major inhibitory neurotransmitter in the CNS is:...
Exam (elaborations)
CPAN (Certified Post ANesthesiA 
Nurse) eXAM — 200 PrACtiCe 
QuestioNs with ANswers & 
rAtioNAles CoMPlete eXAM 
QuestioNs ANd ANswers (Verified 
ANswers) (lAtest uPdAte 2026) 
uPdAte!!
NewCPAN (Certified Post ANesthesiA 
Nurse) eXAM — 200 PrACtiCe 
QuestioNs with ANswers & 
rAtioNAles CoMPlete eXAM 
QuestioNs ANd ANswers (Verified 
ANswers) (lAtest uPdAte 2026) 
uPdAte!!
Exam (elaborations)
CNS Practice Exam Questions & Answers 2024/2025
CNS Practice Exam Questions & Answers 2024/2025 
 
 
Mr. C., who suffered a head injury this morning, is having difficulty breathing. This is a result of swelling around his: 
A) Thalamus 
B) Cerebrum 
C) Pituitary 
D) Medulla Oblongata - ANSWERSD 
 
This neurotransmitter stimulates the brain to increase activity: 
A) Dopamine 
B) Acetylcholine 
C) Gamma-aminobutyric acid 
D) Norepinephrine - ANSWERSD 
 
The major inhibitory neurotransmitter in the CNS is: 
A) Acetylcholine 
B) Dopamin...