Q- A young boy presents with multiple skin lesions for more than a year. He is sensitive to sun and biopsies of some of his lesions show squamous cell carcinoma. Which of the following mutations is most likely present in this condition?
A- Missense mutation
B- Nonsense mutation
C- Point mutation
D- Thymidine dimers
Q- Which one of the following antibiotics is the most appropriate treatment of chancroid, a bacterial infection caused by Haemophilus ducreyi?
Q- A patient with a recent history of meningitis develops headache, blurred vision and cognitive decline. CT scan shows enlarged ventricles. Which of the following is most likely responsible for this condition?
A- Destruction of the gray matter
B- Excessive CSF production
C- Impaired CSF resorption
D- Obstruction of cerebral aqueduct