BIO1100 CERTIFICATION EVALUATION TEST
PAPER 2026 COMPLETE STUDY QUESTIONS
WITH CORRECT ANSWERS
◉ GABA. Answer: Neurotransmitter that promotes calming of the
nerves; high levels improve focus and low levels cause anxiety;
contributes to motor control and vision
◉ Serotonin. Answer: Neurotransmitter that promotes mood, well-
being, happiness, sleep and digestive system regulation
◉ Endorphins. Answer: Neurotransmitters that are released during
exercise, excitement, sex; produces well-being and euphoria;
reduces pain
◉ Glutamate. Answer: Neurotransmitter (most common) that
promotes learning, memory; regulates development and creation of
nerve contacts
◉ Dopamine. Answer: Neurotransmitter that promotes pleasure,
euphoria, movement, motivation; associated with addiction
,◉ Adrenaline. Answer: Neurotransmitter involved in the fight or
flight response; produced in stressful situations; increases heart
rate, blood flow (also known as epinephrine or epi)
◉ Noradrenaline. Answer: Neurotransmitter involved in
concentration, attention, and responding actions of the brain;
contracts blood vessels (vasoconstrictor) (also known as
norepinephrine or NE)
◉ Which neurotransmitter is involved in the cholinergic system?.
Answer: acetylcholine
◉ What are the two types of cholinergic receptors?. Answer:
nicotinic and muscarinic
◉ What removes acetylcholine from synaptic clefts?. Answer:
acetylcholinesterase
◉ Which type of cholinergic receptor is excitatory only?. Answer:
nicotinic receptors
◉ Which type of cholinergic receptor can be either excitatory or
inhibitory?. Answer: muscarinic receptors
,◉ Which neurotransmitters are involved in the adrenergic system?.
Answer: norepinephrine and epinephrine
◉ Which neurotransmitters are excitatory, released by adrenergic
synapses, and increase blood flow and alertness?. Answer:
norepinephrine and epinephrine
◉ Which neurotransmitters are classified as biogenic amines?.
Answer: norepinephrine, epinephrine, serotonin, dopamine
◉ Which neurotransmitter works with the serotonergic system?.
Answer: serotonin
◉ Which neurotransmitter works with the dopaminergic system?.
Answer: dopamine
◉ Which neurotransmitter is the primary excitatory
neurotransmitter of the central nervous system?. Answer:
glutamate
◉ Which neurotransmitter works with the glutamatergic system?.
Answer: glutamate
, ◉ Which neurotransmitter is a derivative of glutamate?. Answer:
GABA
◉ Which neurotransmitter works with the GABAergic system?.
Answer: GABA
◉ Which neurotransmitter causes chloride ion channels to open?.
Answer: GABA
◉ Which neurotransmitter hyperpolarizes neurons?. Answer: GABA
◉ What are the two gas neurotransmitters?. Answer: nitric oxide
and carbon monoxide
◉ Which gas neurotransmitter acts as a vasodilator?. Answer: nitric
oxide
◉ Which neurotransmitter is released by presynaptic neurons in the
synapse?. Answer: acetylcholine
◉ What are neurotransmitters called that depolarize neurons or
other cells?. Answer: excitatory
PAPER 2026 COMPLETE STUDY QUESTIONS
WITH CORRECT ANSWERS
◉ GABA. Answer: Neurotransmitter that promotes calming of the
nerves; high levels improve focus and low levels cause anxiety;
contributes to motor control and vision
◉ Serotonin. Answer: Neurotransmitter that promotes mood, well-
being, happiness, sleep and digestive system regulation
◉ Endorphins. Answer: Neurotransmitters that are released during
exercise, excitement, sex; produces well-being and euphoria;
reduces pain
◉ Glutamate. Answer: Neurotransmitter (most common) that
promotes learning, memory; regulates development and creation of
nerve contacts
◉ Dopamine. Answer: Neurotransmitter that promotes pleasure,
euphoria, movement, motivation; associated with addiction
,◉ Adrenaline. Answer: Neurotransmitter involved in the fight or
flight response; produced in stressful situations; increases heart
rate, blood flow (also known as epinephrine or epi)
◉ Noradrenaline. Answer: Neurotransmitter involved in
concentration, attention, and responding actions of the brain;
contracts blood vessels (vasoconstrictor) (also known as
norepinephrine or NE)
◉ Which neurotransmitter is involved in the cholinergic system?.
Answer: acetylcholine
◉ What are the two types of cholinergic receptors?. Answer:
nicotinic and muscarinic
◉ What removes acetylcholine from synaptic clefts?. Answer:
acetylcholinesterase
◉ Which type of cholinergic receptor is excitatory only?. Answer:
nicotinic receptors
◉ Which type of cholinergic receptor can be either excitatory or
inhibitory?. Answer: muscarinic receptors
,◉ Which neurotransmitters are involved in the adrenergic system?.
Answer: norepinephrine and epinephrine
◉ Which neurotransmitters are excitatory, released by adrenergic
synapses, and increase blood flow and alertness?. Answer:
norepinephrine and epinephrine
◉ Which neurotransmitters are classified as biogenic amines?.
Answer: norepinephrine, epinephrine, serotonin, dopamine
◉ Which neurotransmitter works with the serotonergic system?.
Answer: serotonin
◉ Which neurotransmitter works with the dopaminergic system?.
Answer: dopamine
◉ Which neurotransmitter is the primary excitatory
neurotransmitter of the central nervous system?. Answer:
glutamate
◉ Which neurotransmitter works with the glutamatergic system?.
Answer: glutamate
, ◉ Which neurotransmitter is a derivative of glutamate?. Answer:
GABA
◉ Which neurotransmitter works with the GABAergic system?.
Answer: GABA
◉ Which neurotransmitter causes chloride ion channels to open?.
Answer: GABA
◉ Which neurotransmitter hyperpolarizes neurons?. Answer: GABA
◉ What are the two gas neurotransmitters?. Answer: nitric oxide
and carbon monoxide
◉ Which gas neurotransmitter acts as a vasodilator?. Answer: nitric
oxide
◉ Which neurotransmitter is released by presynaptic neurons in the
synapse?. Answer: acetylcholine
◉ What are neurotransmitters called that depolarize neurons or
other cells?. Answer: excitatory
