All Subjects Medicine Surgery Pathology Anatomy Pharmacology Social & Preventive Medicine Microbiology Gynaecology & Obstetrics Dental Physiology Biochemistry Pediatrics
Showing 11499 questions
Sort:
5869 Microbiology

A 12-year-old boy has sudden onset of fever, headache, and stiff neck. Two days earlier, he swam in a lake that is believed to have been contaminated with dog excreta. Leptospirosis is suspected. Which of the following laboratory tests is most appropriate to determine whether he has been infected with leptospira?

AAgglutination test for leptospiral antigen
BCounter immune-electrophoresis of urine sample
CGram stain of urine specimen
DSpinal fluid for dark-field microscopy and culture in Fletcher serum medium
Microbiology
View Explanation →
5872 Microbiology

An AIDS patient with a CD4 count in the range 100 to 50 cells/mm3 complains of headache and neck stiffness and appears disoriented. The possibility of fungal meningitis is considered and tests for the common fungal etiology of meningitis ordered. Tests included direct examination of spinal fluid for the organism and serology. The purpose of the serology test is detection of

AAntibody to capsular polysaccharide
BAntibody to cell wall mannoprotein
CCapsular polysaccharide
DCell wall mannoprotein
Microbiology
View Explanation →