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3,531 questions
A group of male workers between the ages of 20 and 39 years are being screened for lung disease by spirometry. Nine subjects are examined. Their forced expiratory volume in 1 second (FEV1) divided by forced vital capacity (FEV1/ FVC %) results are 80, 76, 73, 61, 64, 79, 64, 64, and 78. What is the range?
A19-year-old college student is found to have an elevated serum calcium on routine physical examination. She has a family history of hypercalcemia that has not resulted in any known symptoms. Further workup reveals a slightly elevated serum parathyroid hormone with depressed levels of serum phosphate. A 24-hour urine calcium excretion is obtained and is low. Which of the following is the correct diagnosis?
A group of male workers between the ages of 20 and 39 years are being screened for lung disease by spirometry. Nine subjects are examined. Their forced expiratory volume in 1 second (FEV1) divided by forced vital capacity (FEV1/ FVC %) results are 80, 76, 73, 61, 64, 79, 64, 64, and 78. The variance of the set of values is 58.75. What is the standard deviation (SD)?
A42-year-old male with extensive Crohn's disease undergoes a near complete resection of the ileum. Adeficiency of which of the following vitamin is likely to result?
The crude death rate in Sweden was 0.010 per year, while in Costa Rica it was 0.008 per year. All age-specific death rates, except those for the oldest-age category, were higher in Costa Rica than in Sweden. From these data, one can correctly infer which of the following?
A 34-year-old male undergoes an uneventful excision of a parathyroid adenoma. The following postoperative day, he complains of numbness around his lips. Which of the following is the most likely cause of this symptom?
A large segment of the population in your community smokes. In order to convince your patient population that it would be beneficial to quit smoking in order to prevent lung cancer, you conduct a casecontrol study of cigarette smoking and lung cancer. The results from that study can be found in the table below. What is the odds ratio (OR) in your study? 3
A 34-year-old male undergoes an uneventful excision of a parathyroid adenoma. The following postoperative day, he complains of numbness around his lips. Which of the following is the most appropriate intervention?
A large segment of the population in your community smokes. In order to convince your patient population that it would be beneficial to quit smoking in order to prevent lung cancer, you conduct a casecontrol study of cigarette smoking and lung cancer. The results from that study can be found in the table below. Using the same table, what is the relative risk?
A CT scan in a patient with a temperature of 102.1°F and a history of an abdominal aortic graft reveals fluid around the graft. Which of the following is the most appropriate treatment?
A newborn male is brought to you in the neonatal intensive care unit (NICU). On physical examination, you notice that the infant has deficient abdominal musculature and undescended testes. Your suspicion is high for a certain condition. You presumptively diagnose the child with which of the following?
A newborn male is brought to you in the neonatal intensive care unit (NICU). On physical examination, you notice that the infant has deficient abdominal musculature and undescended testes. Your suspicion is high for a certain condition. Upon further imaging, what associated finding would be expected?
Select the ONE best lettered answer that is most closely associated with it. Each lettered answer may be selected once, more than once, or not at all. Workers in certain occupations are exposed to diseases for which animals are the reservoir. These workers may then become a source of infection to others. Butchers are most likely to acquire and transmit the infectious disease?
Workers in certain occupations are exposed to diseases for which animals are the reservoir. These workers may then become a source of infection to others. Warehouse worker are most likely to acquire and transmit the infectious disease?
For each of the diseases listed, select the arthropod vector responsible for its transmission. Dengue fever aegypti
A 12-month-old male child is brought to your office for a well-child examination and immunizations. You have been following the child since delivery and are aware that he has acquired immune deficiency syndrome (AIDS) and a markedly reduced T-cell count. Which of the following vaccinations should he not receive?
Workers in certain occupations are exposed to diseases for which animals are the reservoir. These workers may then become a source of infection to others. Livestock worker are most likely to acquire and transmit the infectious disease?
While working in the emergency room you see a 14-month-old boy brought in with apparent leg pain. His parents tell you that he has recently been learning to walk and that this injury is the result of a fall. You obtain the following x-ray What is your interpretation of the x-ray?
Workers in certain occupations are exposed to diseases for which animals are the reservoir. These workers may then become a source of infection to others. Park rangers are most likely to acquire and transmit the infectious disease?
While working in the emergency room you see a 14-month-old boy brought in with apparent leg pain. His parents tell you that he has recently been learning to walk and that this injury is the result of a fall. You obtain the following x-ray What is the mechanism that likely resulted in this injury?