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A 12-month-old boy presents with a rash that followed a 2-day fever of 102°F. His mother states that she saw a pink, raised rash on the child’s trunk as the fever went away. “The rash looks like pink or red spots that turn white when I touch them.” On physical exam, the child is currently afebrile, and there is a diffuse, maculopapular rash on the chest, abdomen, and thighs. The rash spares the face, palms, and soles. The child has no symptoms of upper respiratory infection, and the physical examination is otherwise normal. Which of the following conditions is the most likely diagnosis for this patient?

A 22-year-old man presents to the emergency department with a burning cut on his left arm. The patient states that he noticed a few cuts along his arm which have become more swollen and are associated with bumps. He now feels fatigued and has a fever. The patient is otherwise healthy and is not currently taking any medications. The patient lives alone, is a student, and owns a new cat. His temperature is 101°F (38.3°C), blood pressure is 120/88 mmHg, pulse is 97/min, respirations are 14/min, and oxygen saturation is 99% on room air. Physical exam is notable for the finding in the image (see below). There is notable tender lymphadenopathy in the ipsilateral antecubital fossa and axilla. Which of the following is the most likely infectious etiology of this patient’s symptoms? 

Select the human papillomavirus subtypes most often associated with cervical cancer.

A 43-year-old female is admitted for evaluation of nausea, emesis, ataxia, and dizziness. Previous medical history reveals HIV (+) status for 4 years with the most recent CD4 count of 100/mm3. Vital signs and neurologic examination are normal. MRI shows 2 ring-enhancing lesions of the basal ganglia, each approximately 1 cm in diameter. The patient is treated with sulfadiazine plus pyrimethamine and she is discharged following rehydration. Within 1 week, the patient’s symptoms improve and a second MRI 4 weeks later shows a significant reduction in the size of the lesions. Which of the following conditions is the most likely diagnosis for this patient?

Which of the following statements about the diagnosis of human immunodeficiency virus (HIV) is TRUE?

A 36-year-old male presents with a 3-month history of a productive cough and reports that the cough produces a scant amount of yellow sputum, which is occasionally blood-streaked. He has also had an evening temperature rise (101° F) for the past 3 months. He has lost a significant amount of weight during this period. Patient is a non-smoker. He emigrated from India 5 years ago, and his medical records are not available. Coarse upper lobe crackles and rhonchi are heard bilaterally. CXR reveals multiple bilateral upper lobe cavities with surrounding infiltrate. Which of the following clinical findings would confirm your diagnostic suspicion?

Osteons of compact bones develop parallel to the force experienced by the bone.

Refer to this scenario for the following questions:A multi-dimensional being reaches down to Earth and pulls you out of the universe. You are then thrown back into the universe at a place and time of the being’s choosing, and you are permitted to leave only after you have identified your surroundings. This process is repeated several times. Through a scientifically unexplainable miracle, you are able to survive in every one of the places that you find yourself. In each scenario below, identify your surroundings (and potentially your cosmic era) from among the choices given.You find yourself in a very low-density gas that is extremely hot. In fact, the temperature of the gas is so high that it is emitting lots of X-rays. There are no stars anywhere within about 10,000 light-years of you, but at slightly greater distances, your sky is brightened by hundreds (perhaps thousands) of beautiful, star-filled structures, some with majestic spiral shapes. Where are you?

List the 6 contraindications for LASER.

List the 5 indications for LASER.