HALLUCINOGENS

HALLUCINOGENS

Q. 1

Flash backs are seen with

 A

LSD

 B

Cocaine

 C

Opiate

 D

Amphetamine

Q. 1

Flash backs are seen with

 A

LSD

 B

Cocaine

 C

Opiate

 D

Amphetamine

Ans. A

Explanation:

A i.e. LSD

  • Spontaneous recurrence of LSDQ, or sometimes cannabis use experience even during a withdrawl state is known as Flash back
  • LSD intoxication causes bad tripsQ ie acute panic reaction in which the individual experiences a loss of control over his self.

Q. 2

A 16-year-old boy suffering from drug abuse presents with cross-over of sensory perceptions, such that, sounds can be seen and colors can be heard. Which of the following is the most likely agents responsible for drug abuse:

 A

Cocaine

 B

LSD

 C

Marijuana

 D

PCP

Q. 2

A 16-year-old boy suffering from drug abuse presents with cross-over of sensory perceptions, such that, sounds can be seen and colors can be heard. Which of the following is the most likely agents responsible for drug abuse:

 A

Cocaine

 B

LSD

 C

Marijuana

 D

PCP

Ans. B

Explanation:

B i.e. (LSD)

–                          Lysergic acid diethylamide (LSD) has potent psychedelic & hallucinogenic effects and produce a variety of bizarre and offer conflicting perceptual and mood changes, including visual illusions, synesthesias (reflex hllucination = sensory modalities cross over) extreme lability of moodQ. and sometimes bad trip (panic episode). It also produces tachycardia, hypertension, pupillary dilation, tremor, and hyperpyrexia. Phencyclidine (PCP) or angel dust, a NMDA receptor blocker, is widely used in veterinary medicine to briefly immobilize large animals (dissociative anesthesia). It produces agitation, excitement, impaired motor coordination, dysarthria and analgesia at low doses; whereas signs of intoxication include horizontal or vertical nystagmus, flushing, diaphoresis, and hyperacusis; higher doses (5-10 mg) produce profuse salivation , vomiting, myoclonus, fever, stupur, coma, convulsions, opisthotonus and decerebrate posturing. Behavioral changes include distortion of body image, disorganization of thinking, and feeling of estrangementQ

–                          Flunitrazepam (Rohypnol), a benzodiazepine used for insomnia has strong hypotic, anxiolytic and amnesia producing effects. It is also k/a date – rape drug or roofies and overdose can be treated with flumazenil. GHB (Gamma hydroxy butyric acid = Xyrem) is FDA approved treatment for narcopepsy with abuse potential producing euphoria & disinhibition. GABAB antagonists can reverse its sedating effects and opioid antagonists (naloxone, naltrexone) can attenuate GHB effects on dopamine release.


Q. 3

All of the following are hallucinogens, except –

 A

LSD

 B

Phenylcyclidine

 C

Mescaline

 D

Methylphenidate

Q. 3

All of the following are hallucinogens, except –

 A

LSD

 B

Phenylcyclidine

 C

Mescaline

 D

Methylphenidate

Ans. D

Explanation:

Ans. is ‘d’ i.e., Methylphenidate

Quiz In Between


Q. 4

Drug that does not cause dependence:      

UPSC 14

 A

LSD

 B

Cannabis

 C

Benzodiazepine

 D

Opioids

Q. 4

Drug that does not cause dependence:      

UPSC 14

 A

LSD

 B

Cannabis

 C

Benzodiazepine

 D

Opioids

Ans. A

Explanation:

Ans. LSD


Q. 5

A young city dweller presented with history of drug abuse and complaining of change in perception, like hearing sights and seeing sounds. Substance responsible for this:       

AI 12

 A

LSD

 B

Phencyclidine

 C

Cocaine

 D

Amphetamine

Q. 5

A young city dweller presented with history of drug abuse and complaining of change in perception, like hearing sights and seeing sounds. Substance responsible for this:       

AI 12

 A

LSD

 B

Phencyclidine

 C

Cocaine

 D

Amphetamine

Ans. A

Explanation:

Ans. LSD


Q. 6

treatment of withdrawal is required in ‑

 A

LSD

 B

Opium

 C

Alcohol

 D

Amphetamine

Q. 6

treatment of withdrawal is required in ‑

 A

LSD

 B

Opium

 C

Alcohol

 D

Amphetamine

Ans. A

Explanation:

Ans. is ‘a’ i.e., LSD

Clinically significant withdrawal syndrome (requires treatment) :-Alcohol, opioids, amphetamines, Barbiturates, BZDs, Nicotine.

No or minimal clinically significant withdrawal syndrome (requires no treatment) :- LSD (nil), Cannabis (minimal).


Q. 7

Drug with no dependance or addiction ‑

 A

Morphine

 B

Amphetamines

 C

Benzodiazipines

 D

LSD

Q. 7

Drug with no dependance or addiction ‑

 A

Morphine

 B

Amphetamines

 C

Benzodiazipines

 D

LSD

Ans. D

Explanation:

Ans. is ‘d’ i.e., LSD

[R4 Niraj Ahuja &/e p. 37)


Quiz In Between



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