Elicit drugs and Anti-depressants Flashcards

1
Q

How does MDMA work?

A

Blocks the uptake of Serotonin and promotes its release from Vesicles

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2
Q

How does Cocaine work? and what can be an affect of this?

A

It blocks mono-amine re-uptake. namely dopamine.
it also blocks noradrenaline and adrenaline.

  • symapthetic response
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3
Q

How do amphetamines work?

A

Block dopamine up-take and promote its release from vesicles

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4
Q

How do beznodiazepines work?

A

GABA agonists - cause sedation

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5
Q

How do opioids work?

A

Activate Mu receptors = Modulate pain and cause sedation
Mu receptors also activate the mesolimbic pathway causing reward feedback

Kappa Receptors = Dysphoria

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6
Q

What kind of a drug is LSD and how does it work?

A

Hallucinogen/ psychedelic

Release of 5HT

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7
Q

What kind of a drug is mephedrone and how does it work?

A

A so called “legal high”.

promotes release of noradrenaline and blocks monoamine - uptake including 5HT and dopamine

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8
Q

Give examples of Serotonin Noradrenaline re-uptake inhibitors/ SNRI’s

A

Venlafaxine

Duloxetine

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9
Q

Give an example of an Mono-oxidase inhibitor:

A

Pheneizine

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10
Q

Name a drug that promotes the release of dopamine and is used for ADHD treatment

A

Dexamphetamine

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11
Q

What is the second line of treatment for ADHD and what is the drug type?

A

Atomoxetine

Noradreanline Re-uptake inhibitor

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12
Q

What is 3rd line for ADHD and what type of drugs are these?

A

Clonidine

Gaunfacine

Alpha -2 agonists

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13
Q

What drugs may be given for Dementia with lewy bodies, Parkinson’s and Alzheimer’s?

A

Cholinesterase inhibitors

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14
Q

Give three examples of cholinesterase inhibitors:

A

Donepizil

Rivastigamine

Galantamine

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15
Q

What may be given for Alzheimer’s dementia other than cholinesterase inhibitors?

A

NMDA receptor antagonists

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16
Q

Name a NMDA receptor antagonist

A

Memantine

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17
Q

What type of dementia must anti-pychotics not be given too?

A

Dementia with Lewy bodies - it can make it worse.

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18
Q

What drug can be given for alcoholics to discourage drinking? and how does it work?

A

Disulfiram

Blocks Acetaldehyde dehydrogenase

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19
Q

How many candidates fail the first clinical trial?

20
Q

What is a serious toxic effect of carbamazepine?

A

Steven - Johnson syndrome - toxic epidermal necrolysis

21
Q

Name two pro-drugs commonly used

A

Codeine

Aspirin

22
Q

What is the pyramid of analgesics? from the bottom

A

Step 1: NSAIDs/ Paracetamol

Step 2: Codeine, Dihydrocodeine

Step 3: Tramadol

Step 4: Morphine/ Oxycodone/ Pethidine

23
Q

What are the routes of entry into for drugs into the brain?

A

Blood - IV

Intrathecal - via sub arachnoid

Enteral - drug must be lipophilic to cross

24
Q

What drug can be used to disrupt the blood brain barrier?

25
How do Diazepams work?
Allosteric GABA agonists
26
How does opioids cause euphoria?
reduce the disinhibition to the mesolimbic pathway - increasing dopamine firing from the VTA to the nucleus accumbens
27
Give an example of a NSRI:
Venlafaxine
28
What bicarbonate is on the lumen of the PCT and which is inside?
IV on lumen side II is inside
29
What drugs will not cause a change in pupils?
Sedatives
30
What receptors does ketamine work on?
NMDA receptor antagonists
31
What receptor activation will cause anxiolysis and ataxia?
GABA receptor stimulation
32
At what blood alcohol level would euphoria and impaired of balance become notable?
0.08-9
33
At what blood level is coma and death most likely?
0.4 - 0.5
34
What is seen in stimulant toxidrome? and what is a serious effect?
Dilated pupils Elevated body temperature
35
What is seen in serotonin syndrome?
Triad of: - altered mental status - confusion / seizures - autonomic changes - sympathetic drive - neuromuscular effects - clonus, hypereflexia
36
Onset of coacaine? main action and half life?
30 mins onset Blocking uptake of dopamine, NA and 5HT half life 30-90mins
37
Half life of amphetamines
12 hours
38
What are long term side effects of stimulants?
``` Anxiety sleep depreviation Aggression Paranoia cognition effects ```
39
What does cocaine do to platelets?
Increases aggregation
40
What are some major concerns with cocaine?
Strokes
41
Through which neurotransmitter do drugs cause dysphoria? and what receptor is often associated?
Dopamine | Kappa receptors
42
What is the features of opioid toxidrome?
parasympathetic action - pulmonary oedema - seizures
43
What are the common causes of neurological damage in sedatives?
Usually caused by indirect things such as falling. compressive palsies axonal damage
44
What neurotransmitters does angel dust affect?
ACh and dopamine
45
What does Atropa Belladona cause changes in?
ACh
46
Whats long term effects of solvent abuse?
Ataxia diploia Nstagmus coma