random hosh posh of psyche stuff

Question 1

What is simultagnosia?

Answer 1

inability to integrate a visual scene to perceive it s a whole

Question 2

What is Gerstmann syndrome?

Answer 2

agraphia, calculation difficulties, right-left disorientation, and finger agnosia. Related to dominant parietal lobe lesions

Question 3

What is prosopagnosia?

Answer 3

inability to recognize faces in the presence of preserved recognition of other objects (possible due to the disconnect of the left inferior temporal corticies from the visual association area in the left parietal lobe

Question 4

Balint syndrome

Answer 4

bilateral parieto-occipital lesions. triad: optic ataxia (inability to direct optically guided movements) oculomotor apraxia (inability to direct gaze rapidly), and simultanagosia (inability to integrate a visual scene to perceive it as a whole)

Question 5

Anton syndrome

Answer 5

inability to acknowledge blindness- bilateral occipital lobe lesions

Question 6

associative visual agnosia

Answer 6

inability to name or use objects despite the ability to draw them. caused by bilateral medial occipitotemporal lesions

Question 7

How do triptans work (ie on what receptor?

Answer 7

target serotonin receptors 5-HT-1D

Question 8

What serotonin receptors are targeted by risperidone?

Answer 8

5-HT7

Question 9

What kinds of deficits are seen with lesions in the dorsolateral area of the frontal lobe?

Answer 9

-defects in planning, monitoring, flexibility and motivation. May be inattentive, undermotivated, unable to plan new cognitive activity, and linger on trivial thoughts. May echo examiner’s questions

Question 10

What kinds of deficits are seen with lesions in the dorsolateral area of the frontal lobe?

Answer 10

-defects in planning, monitoring, flexibility and motivation. May be inattentive, undermotivated, unable to plan new cognitive activity, and linger on trivial thoughts. May echo examiner’s questions

Question 11

When is flumazenil used, and what is the most serious potential side effect?

Answer 11

• used to counteract the effects of benzos

- can precipitate seizures

Question 12

Which tricyclic anti-depressant gives the most anti-cholinergic side effects?

Answer 12

amitriptyline

Question 13

What is the mechanism of disulfiram?

Answer 13

inhibition of acetaldehyde dehydrogenase. EtOH ingestation causes buildup of acetyaldehyde, which causes vomiting, nausea, tachycardia, flushing. can also have these rxns with OTC cough and cold meds

Question 14

What medication can be used to improve tx outcomes for ppl with alcohol dependence?

Answer 14

acamprosate

Question 15

What medication is the best tx for psychotic symptoms in pts with parkinson’s disease?

Answer 15

clozapine

Question 16

How is sleep terror disorder treated?

Answer 16

diazepam in small bedtime doses may reduce/eliminate attacks
(sleep terror disorder- partial arousal, screams, motor agitation, disorientation, autonomic arousal during transition to REM sleep seen especially in kids. Usually no tx needed)

Question 17

What are the 4 type of waves seen in EEG?

Answer 17

1. Alpha: 8-13 hz, seen with relaxation/closed eyes
2. Beta: 13-30 hz. linked with motor behavior; attenuated with active movements. low amplitude beta waves seen with active concentration or anxiety. Predominates in alter
   Rhythmic beta seen with benzos.

Question 18

What are the 4 type of waves seen in EEG?

Answer 18

1. Alpha: 8-13 hz, seen with relaxation/closed eyes
2. Beta: 13-30 hz. linked with motor behavior; attenuated with active movements. low amplitude beta waves seen with active concentration or anxiety. Predominates in alert ppl
   Rhythmic beta seen with benzos.
3. Delta: 3.5-4 hz. high amplitude slow waves. seen in adults during slow wave sleep. seen in babies. May be seen w/ some lesions
4. theta 4-7 hz: seen in young kids, seen in drowsiness/mediation/creative states

Question 19

What are the 4 type of waves seen in EEG?

Answer 19

1. Alpha: 8-13 hz, seen with relaxation/closed eyes
2. Beta: 13-30 hz. linked with motor behavior; attenuated with active movements. low amplitude beta waves seen with active concentration or anxiety. Predominates in alert ppl
   Rhythmic beta seen with benzos.
3. Delta: 3.5-4 hz. high amplitude slow waves. seen in adults during slow wave sleep. seen in babies. May be seen w/ some lesions
4. theta 4-7 hz: seen in young kids, seen in drowsiness/mediation/creative states

Question 20

How can EtOH and benzos interact?

Answer 20

can cause extreme resp suppression

EtOH increases the binding of benzos to the benzo-binding site- makes them even more dangerous

Question 21

How might syphilis appear on MRI?

Answer 21

chronic infections often appear as characteristic enhancement of the meninges at the base of the brain

Question 22

What medications can be therapeutically used to reduce sex drive?

Answer 22

SSRIs, medroxyprogesterone acetate in men