What is the role of calcium in the clotting cascade?
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What is the role of the protein p53 in the cell cycle?
What is the role of the protein p53 in the cell cycle?
A 76-year-old man with Parkinson disease is evaluated for Pi…
A 76-year-old man with Parkinson disease is evaluated for Pisa syndrome. He leans significantly to one side when walking. What additional symptom is likely to be contributing?
A patient with a severe infection develops a cytokine storm….
A patient with a severe infection develops a cytokine storm. What is the primary risk associated with this condition?
A 45-year-old female with a family history of multiple cance…
A 45-year-old female with a family history of multiple cancers is found to have a germline mutation in the MLH1 gene, associated with Lynch syndrome. What is the primary function of the MLH1 gene in normal cells?
A patient presents with a Clostridium difficile infection fo…
A patient presents with a Clostridium difficile infection following a course of broad-spectrum antibiotics. Which of the following best explains the pathogenesis of this infection?
What is a common cause of cubital tunnel syndrome?
What is a common cause of cubital tunnel syndrome?
An 80-year-old woman sustains a hip fracture after a minor f…
An 80-year-old woman sustains a hip fracture after a minor fall. Which underlying condition is most likely responsible?
A 40-year-old male is diagnosed with Li-Fraumeni syndrome, a…
A 40-year-old male is diagnosed with Li-Fraumeni syndrome, a hereditary cancer syndrome associated with mutations in the TP53 gene. What is the primary function of the TP53 gene in normal cells?
A 7-year-old girl presents with headaches, vomiting, and dif…
A 7-year-old girl presents with headaches, vomiting, and difficulty walking. MRI reveals a mass in the posterior fossa. What is the most likely diagnosis?