Property:AnswerEExp
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Liver function tests are used to monitor severity or complications of dengue syndrome. As this patient doesn't have any symptoms of jaundice or complications or signs suggestive of liver involvement liver function tests are not indicated. +
While lesions of the right superior cervical ganglion can cause Horner’s syndrome, in this particular case the stellate ganglion is affected. The superior cervical ganglion does not lie in the thorax and is not lesioned due to pancoast tumors. The superior cervical ganglion instead lies adjacent to C2 and C3 in the neck. +
Polymyositis is an autoimmune inflammatory disorder that is characterized by progressive proximal muscle weakness. Patients tend to have positive anti-nuclear antibody tests. More than 65% of patients are positive for anti-Jo antibodies. +
Small cell carcinoma, also known as “Oat cell carcinoma” is characterized by small, primitive appearing cells with scant cytoplasm. While weight loss and pulmonary symptoms are consistent with lung cancer, the classic “eggshell calcification” and exposure to silica as a sandblaster make silicosis a more appropriate answer. +
Haloperidol is a high potency typical antipsychotic whose mechanism of action involves blocking dopamine D2 receptors. Haloperidol toxicity is typically manifested as extrapyramidal side effects, including tardive dyskinesia. Haloperidol is not associated with QT interval prolongation. +
The dead space in this patient is increased as the volume can be determined by the Bohr equation to be 180 mL. +
Diphenhydramine blocks the transduction of activating signals from the H<sub>1</sub> receptor and thereby blocks rather than increases G<sub>q</sub> activity. +
Vitamin C can be effective in treating methemoglobinemia, but it is considered an ancillary therapy. +
Valine is one of the amino acids which accumulates to high levels in maple syrup urine disease (Isoleucine, Leucine, Valine – I Love Vermont Maple Syrup). +
While the acute exacerbation of the patient’s condition on exposure to an environmental antigen resembles an asthma exacerbation, the specific history in this case is telling. This patient has developed a subtype of hypersensitivity pneumonitis called Bird Fancier’s disease. +
Treatment should be promptly initiated in patients with severe C. difficile infection with high clinical suspicion. +
Large bowel biopsy cannot necessarily establish the diagnosis of disaccharidase deficiency and the pathology lies in the small intestine. +
Incorrect
Hemoglobin A1c >6.5% is a diagnostic criterion and is the best test to follow response to therapy over the last several months. +
Incorrect
Short acting sulfonylureas are the oral hypoglycemic drug of choice in patients with renal dysfunction. +
The patient needs to tell all his sexual partners about his diagnosis as this is a sexually transmitted condition. In order to protect others, a physician is legally bound to convey this information to at-risk parties if the patient refuses to do so. +