PSYCHOPHARM EXAM 1 QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE
2025/2026
Which statement about water-soluble metabolites formed in the liver is false?
a)
They may be filtered out by the kidneys.
b)
They may be excreted into bile.
c)
They may return to the circulation and act on target tissues.
d)
They may be eliminated with the feces. - Answers c)
They may return to the circulation and act on target tissues
Axonal transport of proteins occurs along a track formed by
a)
anterograde cytoskeleton.
b)
microtubules.
c)
neurofilaments.
d)
retrograde cytoskeleton. - Answers b)
microtubules.
Local anesthetics, such as lidocaine, have their effects by
a)
preventing the generation of EPSPs and IPSPs.
b)
,blocking voltage-gated Na+ channels.
c)
blocking the Na+/K+ pump.
d)
blocking voltage-gated Ca2+ channels. - Answers b)
blocking voltage-gated Na+ channels.
With regard to glial cells, _______ form the myelin sheath in the CNS, while _______ help maintain
the ionic and chemical environment.
a)
oligodendroglia; astrocytes
b)
oligodendroglia; microglia
c)
Schwann cells; microglia
d)
Schwann cells; astrocytes - Answers a)
oligodendroglia; astrocytes
The _______ is best described as a result of the selective permeability of the neuronal membrane
and the uneven distribution of ions inside and outside the cell.
a)
local potential
b)
action potential
c)
resting membrane potential
d)
, threshold - Answers c)
resting membrane potential
The _______ and _______ nervous system are components of the peripheral nervous system and
relay information about the internal and external environment, respectively.
a)
autonomic nervous system; sympathetic
b)
cranial nerves; somatic
c)
autonomic nervous system; somatic
d)
sympathetic nervous system; parasympathetic - Answers c)
autonomic nervous system; somatic
Which statement about single-unit recording is false?
a)
It uses microelectrodes.
b)
The animal must be anesthetized in all cases.
c)
It can involve intracellular recording.
d)
The electrode is sometimes placed in the extracellular fluid. - Answers b)
The animal must be anesthetized in all cases.
Which factor does not affect the pharmacokinetics of a drug?
a)
Depot binding
2025/2026
Which statement about water-soluble metabolites formed in the liver is false?
a)
They may be filtered out by the kidneys.
b)
They may be excreted into bile.
c)
They may return to the circulation and act on target tissues.
d)
They may be eliminated with the feces. - Answers c)
They may return to the circulation and act on target tissues
Axonal transport of proteins occurs along a track formed by
a)
anterograde cytoskeleton.
b)
microtubules.
c)
neurofilaments.
d)
retrograde cytoskeleton. - Answers b)
microtubules.
Local anesthetics, such as lidocaine, have their effects by
a)
preventing the generation of EPSPs and IPSPs.
b)
,blocking voltage-gated Na+ channels.
c)
blocking the Na+/K+ pump.
d)
blocking voltage-gated Ca2+ channels. - Answers b)
blocking voltage-gated Na+ channels.
With regard to glial cells, _______ form the myelin sheath in the CNS, while _______ help maintain
the ionic and chemical environment.
a)
oligodendroglia; astrocytes
b)
oligodendroglia; microglia
c)
Schwann cells; microglia
d)
Schwann cells; astrocytes - Answers a)
oligodendroglia; astrocytes
The _______ is best described as a result of the selective permeability of the neuronal membrane
and the uneven distribution of ions inside and outside the cell.
a)
local potential
b)
action potential
c)
resting membrane potential
d)
, threshold - Answers c)
resting membrane potential
The _______ and _______ nervous system are components of the peripheral nervous system and
relay information about the internal and external environment, respectively.
a)
autonomic nervous system; sympathetic
b)
cranial nerves; somatic
c)
autonomic nervous system; somatic
d)
sympathetic nervous system; parasympathetic - Answers c)
autonomic nervous system; somatic
Which statement about single-unit recording is false?
a)
It uses microelectrodes.
b)
The animal must be anesthetized in all cases.
c)
It can involve intracellular recording.
d)
The electrode is sometimes placed in the extracellular fluid. - Answers b)
The animal must be anesthetized in all cases.
Which factor does not affect the pharmacokinetics of a drug?
a)
Depot binding
