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?
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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?
A 14-year-old gymnast presents with anterior knee pain, wors…
A 14-year-old gymnast presents with anterior knee pain, worsened by jumping. What is the most likely diagnosis?
How does genotyping tumor cells benefit cancer treatment?
How does genotyping tumor cells benefit cancer treatment?
What is the function of Tfh (T follicular helper) cells?
What is the function of Tfh (T follicular helper) cells?
A patient is diagnosed with influenza, a viral infection. Wh…
A patient is diagnosed with influenza, a viral infection. Which part of the virus’s life cycle is targeted by antiviral medications like oseltamivir (Tamiflu)?