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pharmocolgy
chapter 12
32
Nursing
Undergraduate 1
03/15/2013

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Term
What are sedatives
Definition
Drugs used to produce mental relaxation and reduce the desire for physical activity
Term
What is REM sleep stage
Definition
iBurst of rapid eye movements, increased autonomic activity, and dreaming
Term
Sedatives such as benzodiazepines
Definition
Drugs used to produce mental relaxation and to reduce the desire for physical activity
Term
Automatism occurs as a result of the impaired range and she CNS depression because
Definition
The patient may not remember if the drug was taken and may retake the drug repeatedly and experience an overdose which may lead to intoxication and death
Term
Hypnotic drugs are used to
Definition
Induce and maintain sleep
Term
Sedative drugs are used to
Definition
Produce mental relaxation and to reduce the desire for physical activity
Term
Barbiturates are
Definition
CNS depressant drugs possessing the barbiturates acid ring structure
Term
Non-barbiturates are
Definition
sedative hypnotic drugs that do not possess the barbituric acid structure, such as benzodiazepines and related drugs
Term
What are the stages of an NREM sleep cycle
Definition
1.Individuals are somewhat aware of their surroundings but relaxed and their eyes are usually closed.2. Individuals become unaware of surroundings, but can easily be awakened3.&4 are the deeper stages of sleep and are particularly important for physical rest and restoration
Term
Sedative hypnotic agents
Definition
Increase the GABA receptor mediated chloride influx into the nerves, inhibiting neuronal activity
Term
When used as a hypnotic, the barbiturates usually increase
Definition
Stage II sleep, but decrease slow wave sleep (3and 4). In addition, barbiturates suppress REM sleep
Term
Enzyme induction refers to
Definition
An increase in the amount of drug metabolizing enzymes in the liver. Enzyme induction results in faster metabolism of the barbiturate. Consequently, the duration of the action is decrease
Term
When does dreaming usually occur
Definition
During REM sleep and after a period of REM sleep, individuals return to and NREM sleep and repeat the cycle
Term
What are common adverse effects experienced while taking Zolpidem(Ambien)
Definition
Headache, dizziness, and nausea in the elderly confusion and memory disturbances in addition
Term
Eszopiclone [Lunesta] is a
Definition
Hypnotic agent with a rapid onset of action, intermediate duration of action, and a half-life of six hours.
Term
What is Ramelteon classified as
Definition
Melatonin agonist
Term
Where is melatonin produced
Definition
By the penal gland, releasee mainly at night, and involved with regulation of sleep and wake cycle
Term
Using the duration of action, as a guide, select the group of hypnotic drugs that are listed in order from lowest to greatest duration of action.zolpidem,zaleplon,eszopiclone,temazepam,estazolam,flurazepam
Definition
zolpidemAt zaleplon have a short duration of action eszopiclone,temazepam, and estazolam have an intermediate duration of action. Flurazepam has a long duration of action.
Term
Determine the cause of nausea, vomiting, and headache that an alcoholic patient is experiencing while taking disulfiram
Definition
Disulfiram slows the conversion of acetaldehyde to acetyl coenzyme A, therefore acetaldehyde accumulates in the blood producing nausea, vomiting, headache, and hypertension
Term
Patients taking disulfiram are instructed not to
Definition
ingest any alcoholic beverages, including coughs syrups, special wine glasses, and fermented beverages (Cider)
Term

What are the major differences between flurazepam and temazepam

 

 

Definition
Flurazepam is classified as a long acting benzodiazepine. It forms several active metabolites, some of which have long half-life. Temazepam is an intermediate acting hypnotic that does not form any important active metabolites
Term
The barbiturates are designated as the FDA's pregnancy category D which indicates that
Definition
They can cause harmful effects to the fetus consequently, these drug should be avoided during pregnancy
Term
The preferred hypnotics for individuals having problems falling asleep and staying asleep are usually one of the  miscellaneous drugs such as
Definition
zolpidem [ambien, Ambien CR], or  eszopiclone [Lunesta]
Term
For individuals whose insomnia is complicated with anxiety or stressful situation one of the
Definition
Benzodiazepines can be considered
Term
An elderly patient requests that the physicians prescribe her quarrel hydrate in place of zaleplon or Zolpidem. What is chloral hydrate and what is the usual dose
Definition
Chloral hydrate is an old drug related to alcohol that is still being used today primarily in the elderly. The main use of chloral hydrate is a hypnotic. The usual dosage is 500-1000 mg administered as a capsule or syrup; rectal suppositories are also available
Term
Zaleplon is
Definition
Rapidly absorbed and provides a short duration of action. It is useful for individuals having difficulty falling asleep; it has not been shown to increase the total sleep time.
Term
Because barbiturates cause enzyme induction, other drugs made the metabolized more rapidly in their presence. This rapid metabolism results is
Definition
They decreased pharmacological effect of drugs, such as the oral anticoagulant and oral contraceptives
Term
Physical dependency on barbiturates usually develops
Definition
When greater therapeutic dosages are taken on a regular basis for more than one did two months
Term
The adverse effects associated with barbiturates are adverse effects associated with barbiturates are an extension of their therapeutic action (CNS depression)
Definition
Drowsiness, dry mouth, lethargy, and lack of coordination occur most frequently
Term
In large doses, barbiturates lead to cardiovascular and nervous system depression. The reason for this depression occurs:
Definition
Inhibition of vasomotor centers in the medulla oblongata removes sympathetic show the blood vessels, which contribute to the production of hypertension and shock. The presence of hypertension, kidney function decreases. The dual leary respiratory centers also are depressed, leading to irregular breathing and hypoxia(cyanosis)
Term
The secobarbital is a
Definition
Short-acting hypnotic with the duration of 2 to 4 hours. The hypnotic indication is for individuals who have difficulty falling asleep, but not staying asleep
Term
Lorazepam (Dalmane) is classified as a long acting benzodiazepine the anxiety effects of the flurazepam are usually evident the day after taking the lorazepam does. The select precautions you will emphasize to a patient. When you give them the prescription would be
Definition
Avoid hazardous activities. When using hypnotic drugs, the the depressant effects of long acting hypnotics can persist during the next day and can cause drowsiness and impaired motor coordination to not take any alcohol or anxiety drugs. The combination can cause significant CNS depression and respiratory difficulties
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