Exam 3 -- Complete and Randomized Flashcards
Death in a patient with kuru occurs within how long after diagnosis?
9 to 24 months
Which gender has a higher prevalence of multiple sclerosis?
Female
A panic attack by itself is not considered a mental disorder. How does a panic attack specifier differ from a panic attack?
Panic attack specifier is a panic attack in the context of a mental disorder such as PTSD.
What is the average age of onset of multiple sclerosis?
20-35 years
What is the name of the anxiety disorder in which a person may use nonspoken means to communicate when encountering other people in social situations?
Selective mutism
What sort of workup can be done for a patient who has had a transient ischemic attack?
MRI (with diffusion weighted imaging), CT, MRA, CTA, ECG, CBC, metabolic panel, coagulation screening, lipid profile, ESR, CRP, Doppler and carotid Doppler
What part of the basal ganglia is damaged in Huntington’s disease?
The caudate and putamen
Some medications can induce IIH. Name some of them.
Oral contraceptives, tetracyclines, and retinoids.
The DEA has established drug schedules to classify drugs according to the acceptable medical uses and the drug’s abuse or dependency potential. The schedule runs from I to V. Which schedule has the highest potential for abuse, and which has the lowest?
Schedule I = highest potential for abuse. Schedule V = lowest potential for abuse.
A patient with ptosis due to myasthenia gravis, when looking into primary gaze from a downgaze position, might experience which phenomenon?
Cogan’s lid twich
During alcohol withdrawal, many symptoms can occur (anxiety, irritability, insomnia, tremor, tachycardia, hypertension, hyperthermia, N&V, seizures, hallucinations, etc). What type of medication can reduce the tremors, seizures, hallucinations, anxiety?
Benzodiazepines.
In terms of classifying weight severity in anorexia, what BMI is considered moderate?
16-16.99 kg/m2
How would you treat Bell’s Palsy?
Treat with 60-80mg of prednisone for 1 week (beginning within 3 days of start of symptoms). If the presentation is severe, you can add valacyclovir 1,000 mg TID.
What are the signs of Creutzfeldt-Jakob disease?
Rapidly deteriorating mental status and myoclonus.
True or false: though there is no treatment for Creutzfeldt-Jakob disease, patients usually live for 5 years after diagnosis.
False; patients live for about 6 months (and there is no treatment)
In terms of classifying the severity of bulimia, how many episodes per week is considered extreme?
Fourteen or more
Briefly outline the molecular cause of the plaques that occur in early onset Alzheimer’s (age 30-60).
Amyloid precursor protein is improperly cut, releasing beta amyloid (beta amyloid 42 in particular), which clumps up creating the senile plaques. These tend to accumulate in the hippocampus and amygdala.
Which of the schizophrenia spectrum disorders requires one or more of the characteristics of psychotic disorders? Which require two or more?
One: brief psychotic disorder; Two: schizophreniform, schizophrenia, and schizoaffective disorder.
Does Bell’s Palsy typically involve an acute or chronic onset?
Acute (within about 48 hours)
Fill in the blank:_________ dementia may be the second most common form of dementia.
Vascular.
What percent of seronegative (for autoantibodies against AChR) patients with generalized MG have autoantibodies against the receptor tyrosine kinase?
35-55%
Alteplase is a tissue plasminogen activator that is sometimes used to break down clots. It must be used within 4.5 hours of the onset of symptoms. What are two scenarios that would contraindicate the use of alteplase?
If there is evidence of hemorrhage, or if the patient is an anticoagulants (warfarin, coumadin, heparin).
Comparing intracerebral hemorrhage with subarachnoid hemorrhage, which has the more sudden onset?
Subarachnoid hemorrhage
Persistent depressive disorder, aka dysthymia, is a depressed mood for at least 2 years in adults (1 year in children), during which time symptoms must be consistent for more than 2 months. Patients must meet two or more of what criteria to be diagnosed with dysthymia?
Poor appetite or overeating, insomnia or hypersomnia, low energy or fatigue, low self-esteem, poor concentration or difficulty making decisions, feelings of hopelessness.
In terms of pharmacologic treatment for hemorrhagic stroke, you want the patient off any anticoagulants and antiplatelets. You would also initiate anti-HTN meds, and possible anti-epileptic drugs if the patient is having seizures. What specific drug can be used for subarachnoid hemorrhage?
Nimodipine.
Name the features of Korsakoff syndrome.
Damage to thalamus and hypothalamus, inability to form new memories, memory loss, confabulation, hallucinations.
True or false: a lumbar puncture of a patient with IIH would show CSF that is normal in composition, but highly elevated in opening pressure.
True; can elevate to more than 250 mmH20
Tonic-clonic (grand mal) is a type of generalized seizure. It includes a tonic phase, a clonic phase, and a postictal recovery phase. About how long does each of these phases last?
Tonic = 10-20 seconds; clonic = 30-90 seconds, and postictal = 5-30 minutes
True or false: bulimia tends to be more chronic and resistant to treatment compared to anorexia.
False; anorexia is more chronic and resistant to treatment compared to bulimia.
What are the symptoms of IIH?
Headache is the major one; can also get transient visual obscurations, pulsatile tinnitus, and diplopia (particularly CN VI)
Which drugs are broad spectrum anti-epileptic drugs?
Lamotrigine, topiramate, valproate
ABCDD is an acronym used to estimate the risk of a stroke in the first two days after a transient ischemic attack. What do these letters stand for?
Age (over 60)
Blood pressure after TIA (over 140 systolic OR over 90 diastolic)
Clinical features (unilateral weakness, speech disturbance)
Duration
Diabetes
What are the clinical features of Lewy Body dementia?
Fluctuations or "blanking out" Recurrent, detailed visual hallucinations (67%) Parkinsonism features REM sleep behavior disorder Recurrent falls, fainting
True or false: there is evidence linking closed-angle glaucoma and Alzheimer’s Disease.
False; the evidence links primary open angle glaucoma and Alzheimer’s.
Chronic immunomodulators for MG include azathioprine, mycophenolate, cyclosporine, tacrolimus, and prednisone. What kind of dose would you use with prednisone, and why?
Low dose (no more than 1.0 mg/kg), since high dose steroids can make MG worse.
The spectrum of schizophrenia has several sub-categories, based on how long they symptoms last. How long do the symptoms have to last for the condition to be termed schizophrenia?
At least 6 months
What is the drug of choice for chorea in Huntington’s disease?
Tetrabenzaine
In what area of the brain are embolytic strokes common?
Basal ganglia.
True or false: ethosuximide and gabapentin are both acceptable drugs for absence seizures
False; only ethosuximide; gabapentin is contraindicated.
What is the survival rate of patients with bacterial meningitis?
25%
What drugs for Huntington’s disease work by blocking dopamine receptors?
Risperidone, olanzapine, haloperidol.
True or false: 1/3 of patients with schizophreniform recover within 6 months, and 2/3 develop schizophrenia or schizoaffective disorder.
True.
Some medications can be used to manage the symptoms of MS. Which medication helps with fatigue?
Amantadine. This is also a drug used for Parkinson’s.
True or false: 1/3 of patients with Bipolar I and 1/3 of patients with Bipolar II have a history of suicide attempt.
True.
Fill in the blanks: in ________% of patients with multiple sclerosis, optic neuritis is the most common symptom; in __________%, it is the first symptom.
40-50% = most common symptom; 15-20% = first symptom
What substance causes the psychoactive properties of cannabis?
delta-9-tetrahydrocannabinol (THC)
What is the drug of choice to treat focal seizures?
Lamotrigine
What is the name for an area of cerebral bruising with localized edema?
Contusion. This is the most common finding of a TBI.
What is the most common location for an intracerebral hemorrhage?
Basal ganglia.
Patients with Alzheimer’s live an average of 10 years from the time of diagnosis. What is a common cause of death?
Aspiration pneumonia.
During alcohol withdrawal, many symptoms can occur (anxiety, irritability, insomnia, tremor, tachycardia, hypertension, hyperthermia, N&V, seizures, hallucinations, etc). What type of medication can reduce the tachycardia and hypertension?
Beta blocker.
What factors can help in determining when to do CT imaging for a TBI?
Less than 15 Glasgow score Vomiting Over age 65 Amnesia for more than 30 minutes Seizures Anticoagulant use Alcohol use
Which class of drugs for Parkinson’s disease works well for patients under 65 years?
Doapmine receptor agonists (bromocriptine, pramipexole, ropinirole, apomorphine)
Holding an ice pack over the ptotic eye of a patient with MG should ___________ (improve/worsen) the ptosis.
Improve
For women under 65 and adults over 65, what is the number of standard drinks that would indicate an increase in health risks?
7/week, or 3/day
Parkinson’s disease (aka “the shaking palsy”) is more common in which gender?
Male
In order to diagnose Lewy Body dementia, two of which three features are required?
Fluctuations or “blanking out”
Recurrent, detailed visual hallucinations (67%)
Parkinsonism features
True or false: the most common symptoms of dependence in the use of cannabis are withdrawal, tolerance, continued use despite health problems, and lots of time spent obtaining or recovering from the effects of cannabis.
True.
What are some parasitic causes of aspectic meningitis?
Lyme
How would you treat bacterial meninfitis?
IV vancomyin with ceftriaxone
What type of infarcts are common with emboli in arteries with acute right angles?
Lacunar
What might neuroimaging show in a patient with Alzheimer’s?
Cortical/hippocampal atrophy, white matter lesions, enlarged ventricles.
What is the most effective medication for MS?
Natalizumab infusion
In terms of partial/focal seizures, which involves impairment of consciousness, and which does not?
Complex imapirs consciousness, simple does not.
Comparing psychotherapy, sociotherapy, and pharmacotherapy, which is best to treat borderline disorder?
Psychotherapy or sociotherapy
True or false: both CJD and vCJD commonly have a periodic sharp wave complex (PSWC) on an EEG
False; CJD does indeed have this finding, but in vCJD, it is rare and occurs later in the disease.
Weight loss is one of the main treatment options for IIH. What pharmacologic options are available?
Carbonic anhydrase inhibitor (acetazolamide), topiramate (also used for epilepsy and associated with a myopic shift and angle closure), furosemide or methazolamide (diuretics)
A lumbar puncture on a patient with MS might contain what kind of antibodies?
IgG
What is the medical treatment for a myasthenic crisis?
Intubation, stop anticholinesterase meds, do plasma exchange or IV immunoglobulin, and begin immunomodulatory drugs (prednisone)
There are different types of delusional disorder. Briefly describe the eromanic subtype.
Belief that someone is in love with them.
Narcotics bind to pain receptors and reduce pain and induce euphoria. Which narcotics were asterisked in the presentation?
Morphine, heroin, codeine, and methadone.
If you performed a lumbar puncture on a patient with bacterial meningitis, what might you find?
Elevated opening pressure, elevated WBCs
In terms of classifying weight severity in anorexia, what BMI is considered severe?
15-15.99 kg/m2
When a TBI occurs, there is axonal rupture from shear forces. What types of neurotransmitters are released in response?
Excitatory (glutamate, acetylcholine). This also leads to the generation of free radicals.
Jacksonian march is associated with what type of seizure?
Simple partial.
True or false: major depressive disorder is more common among females and in the 20’s
True.
Stimulants increase alertness, attention, and energy. Which stimulants were asterisked in the presentation?
Methylphenidate, cocaine, and amphetamine derivatives.
Which part of the basal ganglia is damaged in Parkinson’s disease? What is the name for the abnormal protein clumps you might find there?
Substantia nigra; Lewy bodies.
In terms of classifying the severity of bulimia, how many episodes per week is considered moderate?
Four to seven
Jeopardy style: Parkinson’s disease features depletion of this neurotransmitter from the basal ganglia.
What is dopamine?
What is the name of the set of criteria used to determine needed clinical findings for diagnosis of MS?
McDonald criteria.
Carbidopa-levodopa is the drug of choice in treating Parkinson’s disease. What does the carbidopa portion do? What about the levodopa?
Levodopa is a dopamine precursor that is able to cross the blood-brain-barrier. Carbidopa protect l-dopa from being converted to dopamine before it crosses the BBB.
Avoidant/restrictive food intake disorder is manifested by persistent failure to meet appropriate nutritional and/or energy needs, associated with at least one of the following: significant weight loss, significant nutritional deficiency, dependence on enteral feeding or oral nutritional supplements, marked interference with psychosocial functioning. It is comorbid with anxiety disorders, OCD, autism spectrum disorders, and ADHD.
Free card.
Give a one-sentence description of a tonic seizure.
Sudden muscle stiffness with or without impaired consciousness.
Comparing subdural vs epidural hematomas, which is located between the skull and the dura?
Epidural
What is the hallmark of myasthenia gravis?
Fluctuating weakness of skeletal muscles.
What other treatment options, besides drugs and surgery, may be used to help with seizures?
Vagus nerve stimulation, and NeuroPace (brain implant that interrupts seizures automatically)
Which Cluster B personality disorder is characterized by failure to conform to social norms, deceitfulness, impulsivity, and lack of remorse?
Antiocial
Binge-eating differs from bulimia in that binge-eating involves no ____________.
Compensatory actions (to reduce weight gain)
What rating scale, from 0 to 15, is used to rank a patient’s TBI symptoms and decide whether or not they need an ER visit?
Glasgow Coma Scale
What are some non-infectious causes of aspectic meningitis?
Lupus
An MRI on a patient with MS might show what?
Plaques (demyelination and accumulation of macrophages and T cells)
What is Uhthoff’s sign?
Symptoms of MS get worse with heat.
Comparing subdural vs epidural hematomas, which involves the venous blood supply?
Subdural
True or false: at least 50% of people with antisocial disorder have depressive disorders, and at least 25% have anxiety disorder.
False; at least 50% of people with antisocial disorder have anxiety disorders, and at least 25% have depressive disorder.
Panic disorder is characterized by recurrent, unexpected panic attacks, followed by at least one month of persistent concern for another panic attack and/or significant maladaptive change in behavior.
Free card.
There are a few different forms of multiple sclerosis: clinically isolated syndrome (CIS), relapsing-remissing (RRMS), secondary-progressive (SPMS), and primary progressive (PPMS). Patients with which form usually progress to SPMS?
RRMS
In order to consider a diagnosis of status epilepticus, what must be true?
There must have been a seizure lasting more than 30 minutes, OR at least two seizures without full recovery between.
Which of the personality disorders are more common in men? Which are more common in women?
Men: schizoid, narcissistic, antisocial. Women: borderline, histrionic, avoidant, dependent
Which of the anxiety disorders is more common in males? In females?
Males: none. Females: separation anxiety, specific phobia, panic disorder, panic attack specifier, agoraphobia, generalized anxiety disorder
What would an EEG show in a patient with Creutzfeldt-Jakob disease?
Periodic sharp wave complexes
What are some fungal causes of aspectic meningitis?
Hisoplasm, candida
Disruptive Mood Dysregulation Disorder (DMDD) is a type of depression disorder in children. There are four criteria must be present for at least 12 months, with all four for at least three months, and in at least two settings. Name the criteria.
Severe recurrent temper outbursts; temper outbursts inconsistent with developmental age; temper outbursts 3 or more times per week; mood between outbursts is irritable/angry
Transient ischemic attacks involve no infarction (tissue death) and there is full recovery of function. How long does a TIA usually last?
About 1 minute, but possible up to under 24 hours.
There are different types of delusional disorder. Briefly describe the grandiose subtype.
Belief that they’ve made some great discovery or have some great talent.
True or false: encephalitis has a better survival rate than meningitis.
True.
Huntington’s disease is inherited in an autosomal dominant pattern. The mutant protein responsible, huntingtin, is encoded on chromosome 4. What trinucleotide pattern is found repeating many more times in patients with Huntington’s as compared to normal patients?
CAG
Compare and contrast the age of the typical patient with Creutzfeldt-Jakob disease and variant CJD.
CJD: 65 years
vCJD: 29 years
Oral therapy for MS is the most convenient, but is less effective than infusion and injection therapies. What drug is the most commonly used oral MS drug?
Dimethyl fumarate (Tecfidera)
Carotid endarterectomy is surgical treatment that involves removal of the plaque. What two criteria must be met in order to consider this procedure for a patient?
70-99% lumen occlusion and 5+ year life expectancy
Which Cluster B personality disorder is characterized by shifts between idealization and devaluation (“splitting”)?
Borderline
True or false: Bipolar II disorder typically begins with a hypomanic episode.
False; it typically begins with a major depressive episode.
Comparing subdural vs epidural hematomas, which has a lenticular shape on a CT scan?
Epidural
In Bipolar I and II, how does a hypomanic episode differ from a manic episode?
The features are similar, but not severe enough to cause marked social or occupational impairment, for at least 4 days.
True or false: damage due to diffuse axonal injury is not as bad as it looks on imaging.
False; it is worse than appears on imaging.
Which Cluster A personality disorder is characterized by participation in solitary activities, lack of emotions, and appearing cold or detached?
Schizoid
Where would an MRI show hyperintensity in vCJD?
Pulvinar