CNS 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:
A) Acetylcholine
B) Dopamine
C) GABA
D) Serotonin - correct answer ✔C
Your patient has been taking morphine Q2h for chronic pain associated with cancer. It is important to
assess for:
A) Diarrhea
B) Respiratory depression
, C) Cough
D) Urinary frequency - correct answer ✔B
The following drug is used to reverse the effects of opioids:
A) Naloxone hydrochloride (Narcan) tartrate
B) Butorphanol
C) Buprenorphine (Buprenex)
D) Nalbuphine hydrochloride (Nubain) - correct answer ✔A
A client with terminal cancer has been receiving morphine sulfate 5mg IV q4h for the past 3 weeks. She
states that the pain is not relieved. You recognize that the reason for this is the client:
A) Has developed dependency on the morphine
B) Is imagining the pain
C) Resents that the nurse is healthy
D) Has developed tolerance to the morphine - correct answer ✔D
7. The best way to evaluate pain response after administering analgesia is to:
A) Observe the client when he or she is not aware you are watching.
B) Use a pain assessment tool before and 30 minutes after medication administration.
C) Ask the nonlicensed personnel (aide) to find out if the medication worked.
D) If a family member is present, ask him or her if the medication worked. - correct answer ✔B
8. Which drug is likely to be ordered for a client experiencing withdrawal symptoms from a narcotic?
A) Fentanyl
B) Clonidine
C) Tylenol
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:
A) Acetylcholine
B) Dopamine
C) GABA
D) Serotonin - correct answer ✔C
Your patient has been taking morphine Q2h for chronic pain associated with cancer. It is important to
assess for:
A) Diarrhea
B) Respiratory depression
, C) Cough
D) Urinary frequency - correct answer ✔B
The following drug is used to reverse the effects of opioids:
A) Naloxone hydrochloride (Narcan) tartrate
B) Butorphanol
C) Buprenorphine (Buprenex)
D) Nalbuphine hydrochloride (Nubain) - correct answer ✔A
A client with terminal cancer has been receiving morphine sulfate 5mg IV q4h for the past 3 weeks. She
states that the pain is not relieved. You recognize that the reason for this is the client:
A) Has developed dependency on the morphine
B) Is imagining the pain
C) Resents that the nurse is healthy
D) Has developed tolerance to the morphine - correct answer ✔D
7. The best way to evaluate pain response after administering analgesia is to:
A) Observe the client when he or she is not aware you are watching.
B) Use a pain assessment tool before and 30 minutes after medication administration.
C) Ask the nonlicensed personnel (aide) to find out if the medication worked.
D) If a family member is present, ask him or her if the medication worked. - correct answer ✔B
8. Which drug is likely to be ordered for a client experiencing withdrawal symptoms from a narcotic?
A) Fentanyl
B) Clonidine
C) Tylenol
