Chapter 47: CNS stimulants and psychotomimetic drugs

Chapter 47: CNS stimulants and psychotomimetic drugs

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

1. Phencyclidine is believed to cause psychotomimetic effects by

1. activating receptors for g-aminobutyric acid
2. blocking receptors for g-aminobutyric acid
3. activating N-methyl-D-aspartate-operated ion channels
4. blocking N-methyl-D-aspartate receptor-operated ion channels
5. increasing neuronal release of 5-hydroxytryptamine

Answer: d: blocking N-methyl-D-aspartate receptor-operated ion channels

1. Both lysergic acid diethylamine (LSD) and phencyclidine may cause

1. acute hyperthermia and muscle damage
2. physical dependence
3. schizophrenic symptoms
4. analgesia
5. inhibition of monoamine transporters

Answer c: schizophrenic symptoms

1. The psychotomimetic activity of lysergic acid diethylamide (LSD) is believed to result from its ability to

1. activate 5-hydroxytryptamine 5-HT₂ receptors
2. block 5-hydroxytryptamine 5-HT₂ receptors
3. inhibit neuronal reuptake of noradrenaline and dopamine
4. release 5-hydroxytryptamine and block its neuronal reuptake
5. block receptors for g-aminobutyric acid

Answer a: activate 5-hydroxytryptamine 5-HT₂ receptors

1. Progressive myocardial damage leading to heart failure is most likely to occur in persons who abuse

1. lysergic acid diethylamide (LSD)
2. phencyclidine
3. mescaline
4. psilocybin
5. cocaine

Answer e: cocaine