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A child with frequent headaches is found to have increased sensitivity to light and sound. Which type of headache is most likely?

A 60-year-old woman with long-standing untreated obstructive sleep apnea is found to have persistent hypertension, despite being on multiple antihypertensive medications. What is the most likely mechanism linking apnea to her resistant hypertension?

A 15-year-old boy has brief episodes of uncontrolled right arm jerking lasting 30 seconds without loss of awareness. EEG shows focal epileptiform discharges in the left frontal lobe. His diagnosis is most consistent with:

A 55-year-old female with a history of heavy smoking presents with progressive shortness of breath. She has barrel chest, pursed-lip breathing, and distant breath sounds. Pulmonary function tests reveal increased total lung capacity and decreased FEV1/FVC ratio. What underlying lung change is most likely responsible?

A patient experiences seizures that start in one specific area of the brain. What type of seizure is this? 

During an experiment, a scientist uses a spreadsheet to record temperatures. This action corresponds to which of the following steps in the scientific method?

A culture of bacteria doubles in number over 24 hours. This demonstrates which characteristic of life?

Which is a major difference between eukaryotic and prokaryotic cells?

Which statement distinguishes facilitated diffusion from active transport?

Bears, starfish, and toads belong to the same________.