Which of the following statements about Haemophilus influenzae type B is TRUE?
A) It is the leading cause of conjunctivitis in adults.
B) It was once the leading cause of meningitis in children aged 6 months to 3 years.
C) Vaccines are ineffective against Haemophilus influenzae type B.
D) It is a Gram-positive rod.
B
You might also like to view...
What organization provides disease-specific care certification?
a. The Joint Commission b. Department of Labor c. Food and Drug Administration d. Occupational Safety and Health Administration
An ill-defined radiolucent and radiopaque lesion in the maxilla of a 65-year-old woman was biopsied. Histologically, it was a solid neoplasm composed of malignant plasma cells. This most likely represents which of the following?
a. Multiple myeloma b. Ameloblastic fibroma c. Fibrous dysplasia d. Osteoblastoma e. Osteosarcoma
The fastest mail service is
express first class special fourth class second class
Which of the following is characteristic of a subcellular microorganism?
A. Complex cell structure containing a nucleus B. Highly structured organism with specialized organelles in the cytoplasm C. Cell with a single chromosome and no organelles D. Simple cell structure with no nucleus and no organelles in the cytoplasm E. Noncellular structure in which the nucleic acid is surrounded by a protein coat