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NSG 522 PSYCHOPHARMACOLOGY FINAL
EXAM NEWEST 2025/2026 COMPLETE
QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS ) |ALREADY GRADED
A+||BRAND NEW VERSION!!
Which of the following statements about action potentials is FALSE?
- They are considered all-or-none
- Extreme excitation will result in a very large action potential
- They move via salutatory conduction in myelinated axons
- They are generated at the axon hillock - ANSWER-Extreme excitation
will result in a very large action potential
Activity at an axoaxonic synapse can directly increase the amount of neurotransmitter released from the postsynaptic cell. This is known as - ANSWER-Presynaptic facilitation
Which of the following describes the interaction of two drugs when the combined drug effects are greater than would be predicted from that combination? - ANSWER-Potentiation
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The primary treatment for Parkinson's disease is the administration of L-DOPA because this drug - ANSWER-Is the synthetic precursor to dopamine
Which of the following about water soluble metabolites formed in the liver is false?
- They may return to the circulation and act on target tissues
- They may be filtered out by the kidneys
- They may be excreted into bile
- They may be eliminated with the feces - ANSWER-They may return to
the circulation and act on target tissues
Dendritic spines serve to - ANSWER-Increase the surface area of the dendrite
Which of the following does NOT cause tolerance
- Conditioning factors
- Increased activity of liver enzymes
- Downregulation of receptors
- Decreased kidney function - ANSWER-Downregulation of receptors
Neurons can be categorized by all of the following except by 2 / 3
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- Which neurotransmitters they release
- Their function (e.g., sensory versus motor)
- The size of the action potentials they generate
- Their morphology - ANSWER-The size of the action potentials they
generate
The area postrema and the median eminence represent areas in the brain where the _____ is not complete - ANSWER-Blood-brain barrier
Neuropharmacologists are interested in the endocrine system for a variety of reasons. Which of the following is NOT one of them?
- Hormones can alter behavioral responses to drugs
- The effects of hormones on the brain are simple and easy to measure
- Some hormones have psychoactive effects on their own
- Hormone secretion can be altered by psychoactive drugs - ANSWER-
The effects of hormones on the brain are simple and easy to measure
Cocaine increases the amount of DA, 5-HT, and NE in the synaptic cleft by - ANSWER-Blocking transporters.
Which of the following is not necessarily a part of the cycle of pathological drug use that can lead to addiction?
- Preoccupation with drug and anticipation of use
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