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51 Cards in this Set

  • Front
  • Back

It is a state of response to a drug whereby drug taker feels compelled to use the drug and suffers anxiety when separated from it.

ADDICTIONLos

Loss of consciousness associated with an absence of response to pain

ANESTHESIADr

Drug that reduces anxiety; is a sedative

ANXIOLYTIC

Removal of the drug evokes unpleasant and possibly life threatening symptoms often opposite of the drug’s effect

DEPENDENCE

Induction of sleepoh

HYPNOSIS

Phase of sleep associated with rapid eye movements; most dreaming takes place in this stage

REM SLEEP

Reduction of anxiety

SEDATION

Reduction in drug effect requiring an increase in dosage to maintain the same response

TOLERANCE

These drugs produce dose dependent CNS depressant effects

SEDATIVE-HYPNOTICS

What are the subgroups of sedative-hypnotics?

1.BENZODIAZEPINES


2. BARBITURATES


3. MISC. (Carbamates, alcohols, cyclic ethers)

What are the mechanisms of Sedative-Hypnotics?

1. Activation of GABA A which increases chloride influx, and activation of GABA B which increases Potassium influx


2. both Result in hyperpolarization

What subgroup of sedative-hypnotics potentiate GABA?

Benzodiazepines

What subgroup of sedative-hypnotics increase the frequency of chloride channel opening?

Benzodiazepines

Benzodiazepines act through BZ receptors. What are these receptors and their function?

BZ1 mediates sedation


BZ2 mediates anti anxiety and impairment of cognitive functions

This type of sedative-hypnotics prolong GABA activity

Barbiturates

They are drugs that have an inhibitory effect on the CNS

Sedatives

This type of sedative-hypnotics prolong GABA activity

Barbiturates

They are drugs that have an inhibitory effect on the CNS

Sedatives

Sedatives inhibits:

1. Nervousness


2. Excitability


3. Irritability



Without causing sleep

They calm or soothe the CNS to the point that they cause sleep

Hypnotics

This type of sedative-hypnotics prolong GABA activity

Barbiturates

They are drugs that have an inhibitory effect on the CNS

Sedatives

Sedatives inhibits:

1. Nervousness


2. Excitability


3. Irritability



Without causing sleep

They calm or soothe the CNS to the point that they cause sleep

Hypnotics

What are the effects of low and high doses of SH?

Low doses = calm or soothe the CNS


High doses = + sleep

This type of sedative-hypnotics prolong GABA activity

Barbiturates

Intermediate examples:

1. Aprobarbital


2. Butabarbital

Long examples:

1. Phenobarbital

They are drugs that have an inhibitory effect on the CNS

Sedatives

Sedatives inhibits:

1. Nervousness


2. Excitability


3. Irritability



Without causing sleep

They calm or soothe the CNS to the point that they cause sleep

Hypnotics

What are the effects of low and high doses of SH?

Low doses = calm or soothe the CNS


High doses = + sleep

When are the barbiturates first introduced?

1903

They are standard agents for insomnia and sedation

Barbiturates

What are the 4 categories of barbiturates?

1. Ultrashort


2. Short


3. Intermediate


4. Long

Ultrashort examples:

1. Thiamylal


2. Thiopental

Short examples:

1. Secobarbital


2. Pentobarbital

This type of sedative-hypnotics prolong GABA activity

Barbiturates

Intermediate examples:

1. Aprobarbital


2. Butabarbital

Long examples:

1. Phenobarbital

Mechanism of action of barbiturates

Potentiate GABA

What are the sites of action of the barbiturates?

1. Brain stem


2. Cerebral cortex

They are drugs that have an inhibitory effect on the CNS

Sedatives

Sedatives inhibits:

1. Nervousness


2. Excitability


3. Irritability



Without causing sleep

They calm or soothe the CNS to the point that they cause sleep

Hypnotics

What are the effects of low and high doses of SH?

Low doses = calm or soothe the CNS


High doses = + sleep

When are the barbiturates first introduced?

1903

They are standard agents for insomnia and sedation

Barbiturates

What are the 4 categories of barbiturates?

1. Ultrashort


2. Short


3. Intermediate


4. Long

Ultrashort examples:

1. Thiamylal


2. Thiopental

Short examples:

1. Secobarbital


2. Pentobarbital