Psych questions Flashcards
A 19yo female presents with cc of intermittent abd pain associated with recent, frequent episodes of regurgitation of food for the past several months and worsening over the past 12 hours. She maintains a normal weight for her height however she seems obsessed with losing weight. On exam, PA notes multiple dental caries, bilat parotid gland tenderness and mild epigastric tenderness.
What would you expect to find on lab testing to support your suspected diagnosis?
Hypokalemia
most likely dx is bulemia nervosa- purging type. supportive lab findings would be hypochloremia with subsequent hypokalemia d/t renal compensatory mechanisms, hypomag and metabolic alkalosis
Divorced female pt presents for employment physical. states she has not been able to hold any job for longer than 2-3 months. She has been arrested several times for fighting when out with girls. she reports she drinks and occasional beer but denies significant problems with alcohol.
what lab findings support suspected dx?
Increase MCV
pt likely abuses alcohol. lab tests reveal elevated MCV, triglycerides, serum uric acid and LFTs.
53 year old male with hx of HTN treated with Atenolol. Currently presenting with cc of chronic fatigue, insomnia, decreased appetite and difficulty concentrating for 3 weeks. wife notes he no longer goes out with friends and has lost interest in sexual intimacy. PE is unremarkable.
What is the most likely diagnosis
Major depression
dx criteria include loss of pleasure in activities, vegatative or physical changes and cognitive changes.
Pt presents within 1 hour of ingesting 30 tablets of Diazepam. What is the most appropriate intervention
Gastric lavage
along with admin on activated charcoal and monitoring of vitals and CNS status. Flumazenil might be used with caution in certain patients
Which of the following is effective in long-term management on panic attacks?
* Triazolam
* Propranolol
* Lorazepam
* Fluoxetine
Fluoxetine
SSRI are initial drug of choic for long term tx of panic d/o
Phenothiazines exert their antipsychotic effect by blocking…
dopamine receptors
17 yo presents to ED with agitation and hallucinations and has had one seizure. Pt admits to “some drugs” but doesn not know what they were. On PE temp is 103, BP 140/90, pulse 120, Resp 20. remainder of PE WNL.
What diagnostic study is most helpful in manageent of this patient?
Serum Creatinin Kinase
most sensitive test for rhabdomyolosis
What is first-line therapy for schizophrenia?
Olanzapine (Zyprexa)
initial rx treatment should be ‘atypical’ antipsychotics due to decreased SE profile
25 yo female presents to student health center for 8th time in 3 weeks. Pt is concered she has meningitis becuase she heard someone on campus had meningitis one month ago and now she has headaches. Pt is requesting to be tested to rule out meningitis. PE has been WNL every visit.
what is the most likely dx?
somatic symptom disorder
28yo male treated for depression with paroxetine for the past 2 1/2 months with improvement in symtpoms. Pt reports sexual dysfunction believed to be due to medication.
what is the immediate concern with abrupt discontinuation of paroxetine?
risk of drug withdrawal symtpoms
can see cholinergic rebound
What are early impending delirium tremens signs
agitation and decreased cognition
anxiety, decreased cognition, increasing irritability and hyperactivity are common early clues.
19yo female has been consuming 6 beers/day since she was 16. Pt is pregnant with her first child, little prenatal care, due to deliver in 4 weeks.
what neonatal problems should be anticipated?
Low birth weight
Pt with advanced AIDs complicated by Toxoplasmosis presents with AMS, recent seizure onset, and focal neurological deficits. what diagnostic study would be most helpful?
MRI of the brain.
assist in showing mass lesions
Pt presents with episode of expanisve, elevated mood during which she cleaned excessively without sleeping. What is the most likely dx?
Bipolar disorder
Bipolar disorder is characterized by episodic mood shifts form depression to manic type moods.
25 yo female presents to ED due to collapse at work. hx is significant for mood disorder that causes her to have “wild mood swings and reckless behavior” according to husband. dx a year ago and been treated with several medications. symptoms today are nausea, vomiting, fatigue, tremor and hyperreflexia. Labs show elevated BUN and Cr, low sodium and elevated drug levels.
What medication is most likely to cause her symptoms?
Lithium
Lithium toxic
any sodium loss results in increased lithium levels.
What are formications
sensation of insects crawling on skin and commonly associated with delirium tremens
Formications are most commonly associated with what?
Alcohol withdrawal
What class of antidepressants are associated with anticholinergic side effects, including cardiac dysrhythmias, sedation, orthostatic hypotension and dry mouth?
TCAs
24 yo female presents to the office for PE. Dressed in low cut shirt and short skirt. Dramatic, emotional and sexually provocative. She complains of difficulty being intimate with men. she seems to over emphasize the severity of current cold. what personality disorder is suspected?
Histrionic
attention seekers and exaggerate their thoughts and feelings and are often sexually provocative.
25 yo male given Haloperidol IM for violent psychotic outburst. Initially he quiets down, but an hour later develops confusion, inability to open his mouth and temp of 40 degrees C. What is the initial tx of choice for this patient
Dantrolene
pt likely has neuroleptic malignant syndrome and tx is dantrolene and bromocriptine.
What is neuroleptic malignant syndrome
life-threatening neurologic emergency associated with the use of antipsychotic (neuroleptic) agents and characterized by a distinctive clinical syndrome of mental status change, rigidity, fever, and dysautonomia.
what is the difference between schizophrenia and schizophreniform disorder?
same features as schizophrenia except duration of illness is at least one month and less than six months
What lab test should be taken every 6-12 months for a pt on Lithium
TSH
lithium induces hypothyroidism because of the decrease in concentration of circulating thryoid hormones
38yo female brought to ED with complaint of paralysis of bilateral arms. hx significant for sexual assalut 2 days ago. PE is unremarkable with normal reflexes.
What is the most likely diagnosis?
conversion disorder
pt have abrupt loss of motor or sensory function caused by psychological factors that often precede physical symptoms