Neuro
Visual problem in pituitary tumor compressing optic chiasm
BITEMPORAL HEMIANOPSIA
Study reports difference that turns out to be by chance, what error is this?
type 1 error
What term best describes buprenorphine’s action at the mu opioid receptor?
partial agonist
Treatment of choice for lithium intoxication who manifests impaired consciousness, neuromuscular irritability, and seizures is...
hemodialysis
Metabolic abnormality commonly found w anorexia nervosa/purging subtype?
decreased serum potassium
Fever, HA, seizures, confusion, stupor, and coma, evolving over several days. EEG with lateralized high-voltage sharp waves arising in the L temporal region w slow wave repeating at 2-3 sec intervals. CT low-density lesion in L temporal lobe.
herpes simplex encephalitis
What research study examines a group studied over a prolonged time period?
cohort
What side effect if common to both naltrexone and disulfram
elevated liver enzymes
What drug has a curvilinear therapeutic window?
nortriptyline
Which personality disorder has the greatest co-incidence of alcohol abuse and dependence?
antisocial
Neurotransmitter regulating sleep and wakefulness?
histamine
Which of the following types of studies is best suited to determine prevalence?
cross-sectional
What is the most common biological cause of prenatal neurotoxicity linked to the development of intellectual disability (mental retardation)?
alcohol
fetal alcohol syndrome:FACIAL DYSMORPHISMS, POSTNATAL GROWTH RETARDATION, INTRAUTERINE GROWTH RETARDATION AND LEARNING DIFFICULTIES.
What anti seizure psychotropic can cause a decrease in benzo plasma levels?
carbamazepine (tegretol)
What ethical principle provides the most appropriate basis for psychiatric intervention in a mentally incompetent patient?
60 y/o right-handed M, getting lost, only writes on right half of paper. Left-sided hemi-neglect. Where is the lesion (R/L and location)?
RIGHT PARIETAL lobe
A test that detects 98% of the people who have a disease, but also provides a false positive result for many of the people without the disease, would have a: ____ sensitivity and ____ specificity
HIGH sensitivity, LOW specificity
Which of the following areas of the brain is most associated with the reward effects of cocaine?
nucleus accumbent
Clinically significant increase in lamotrigine concentration may occur if co-administered with what anti seizure medication:
valproic acid
FDA requires generics not be significantly different from parent compounds in what way
bioequivalence
Which neurotransmitter system is the last to mature in the CNS of children and adolescents?
cholinergic
In an RCT which compares metformin addition to usual treatment in diabetes prevention, when 18% of patients in the metformin group develop diabetes vs 20% of patients in the usual treatment group develop diabetes, what is the number needed to treat (NNT)?
50
NNT = 1/ARR (absolute risk reduction)
ARR = control rate - experimental rate
= .20-.18 = 0.02 --> 1/0.02 = 50
What does CAGE stand for?
CUT DOWN, ANNOYED, GUILTY, EYE OPENER
evaluation of which lab test is most specific for chronic heavy alcohol consumption
% carbohydrate deficient transferrin (CDT)
10 y/o child learned to clean his room without being asked. The parents achieved this by reinforcing this behavior with a one-dollar bill every third time the child cleaned the room without being asked. This type of reinforcement schedule is known as:
fixed-ratio