FULLY RANDOMIZED PART I Flashcards
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.
What are the medical risk factors for gastric cancer?
H. Pylori infection, prior gastric surgery, adenomatous polyps, and gastric atrophy and gastritis
What is the treatment for Barret’s esophagus that does NOT involve high-grade dysplasia?
Proton pump inhibitors and/or laproscopic fundoplication; may also need to have a biopsy done with some frequency depending on the level of metaplasia/dysplasia.
In terms of classifying weight severity in anorexia, what BMI is considered mild?
> 17 kg/m2
Where in the US is toxocariasis more common?
South central and southeastern; due to poor soil conditions.
Comparing psychotherapy, sociotherapy, and pharmacotherapy, which is best to treat shizotypal disorder?
Pharmacotherapy
Drugs for depression include MAOis, tricyclic antidepressants, atypical antidepressants, SSRIs, NDRIs, and SNRIs. Which class is the most commonly prescribed in the US?
SSRIs
Comparing subdural vs epidural hematomas, which is located between the skull and the dura?
Epidural
Separation anxiety disorder is defined as a developmentally inappropriate and excessive fear or anxiety concerning separation from those to whom the individual is attached. How long does this anxiety need to last for diagnosis in children? In adults?
4 weeks for children, 6 months for adults
There are four categories of histoplasmosis. Which is usually found in the very young, very old, or immunosuppressed patients? What symptoms can occur in this category? What is the prognosis for a patient in this category?
Disseminated histoplasmosis. Poor T-cell immune response has allowed the fungi to disseminate (spread). Many symptoms are nonspecific (fever, chills, cough, etc.). Hypersplenism can occur and pulmonary infiltrates may be seen on x-rays. Adrenal glands will be involved and may yield Addison disease. If not treated, up to 80% mortality within 4-10 months. If treated, this drops to less than 25%.
To be diagnosed as migraine with aura, the aura symptom(s) must be fully reversible. Two of what four characteristics must be present?
At least one aura symptoms spreading gradually over more than 5 minutes (and/or two or more symptoms occurring in succession); individual aura symptoms last 5 to 60 minutes; at least one aura symptom is unilateral; aura accompanied by or followed within 60 minutes by a headache
In terms of electrodiagnostic testing for MG, repeated nerve stimulation in a patient with MG shows reduced amplitude. This is positive in more than 75% of patients with generalized MG. Single fiber stimulation is even better at 80-95% and is better for ocular MG.
Free card.
What non-pharmaceutical options are available for a patient with emphysema?
Bullectomy (removal of bullae)/volume reduction surgery to reduce the pressure on healthy lung tissue; bronchoscopy (metal coils inserted which compress unhealthy tissue).
Which medication for asthma is useful in children and pregnant women, and why?
Cromolyn is a mast cell stabilizer that is used for prophylaxis and is poorly absorbed, leading to few side effects.
What is the name for a gastrin-secreting non-beta islet cell tumor? What effect does it have on gastric acid?
Gastrinoma, aka Zollinger-Ellison Syndrome. It causes increased gastric acid secretion that leads to ulceration in the stomach and small intestine.
How is HDV diagnosed?
Detection of IgM HBV antibody; detection of HDV RNA by RT-PCR
Is there a vaccine for Hepatitis C?
Yes, but not available in the US
What are the symptoms of a giant cell arteritis headache?
New headache, scalp tenderness, jaw claudication, sudden vision loss in one eye.
Treatment for tension headaches can include analgesics (ibuprofen, naproxen, aspirin) and acetaminophen. Which of these (analgesics vs acetaminophen) is more effective and should be limited to 15 days/month?
Analgesics
The liver releases certain proteins when there is acute damage. Which four proteins can you test for, as discussed in class? Which two of these are most commonly done?
Aspartate amino transferase (AST)Alanine Transaminase (ALT)Alkaline Phosphatase (ALP)Gamma-glutamyltranspeptidase (GGT).AST and ALT are the most commonly done.
Headache danger signs are symptoms which may indicate a serious underlying cause of the headache. These can be remembered by the acronym SNOOP. What does the N stand for?
Neurologic symptoms–confusion, impaired consciousness, bilateral optic disc swelling, seizures
What is a major concern of gonorrheal conjunctivitis?
Possible corneal perforation and blindness.
What is the chronic treatment for SUNCT?
Lamotrigine, occipital nerve stimulation
What surgical treatment options are there for a patient with sleep apnea?
Tonsillectomy (for kids), uvulopalatopharyngoplasty (UPPP; upper airway surgery), Inspire Device (“pacemaker” to move tongue forward), jaw surgery, trachestomy