Which of the following differentiates migraine from tension-type headaches?

Which of the following best describes the cause of septic shock?

Which of the following best explains the cardiovascular effects of anaphylactic shock?

What happens when macrophages engulf modified LDL cholesterol?

Which of the following conditions is most likely to cause hypoxemia due to ventilation/perfusion (V/Q) mismatch?

A patient presents with redness, warmth, and swelling in a localized area of infection. What is the primary mechanism leading to edema in this case?

Which of the following best describes the difference between a gene and an allele?

A 78-year-old man presents with worsening exertional dyspnea and occasional dizziness. He has a history of long-standing hypertension. Echocardiography shows concentric left ventricular hypertrophy with preserved ejection fraction. What is the most likely cause of his symptoms?

What occurs when foam cells die within an atherosclerotic plaque?

A 16-year-old girl presents to the clinic with concerns about delayed puberty and short stature. Physical examination reveals a webbed neck and widely spaced nipples. The physician suspects Turner’s Syndrome and orders a karyotype analysis. Which of the following karyotype results would confirm the diagnosis of Turner’s Syndrome?