Biology

Part 1

TELL ME WHY

Why must diphtheria immunization be boosted every 10 years?

Why is it inappropriate to treat a cold with penicillin, erythromycin, or ciprofloxacin?

What is a streptococcus pneumoniae

Part 2

TELL ME WHY

Why is the digestive system an important portal of entry for microorganisms?

Why does use of antibacterial drugs over an extended time increase the likelihood of oral candidiasis (thrush) and so-called C. diff. diarrhea?

What is a viridans streptococci

Part 3

TELL ME WHY

Why are newborn girls less likely to contract vaginal infections than are three-year olds?

Why does insertion of a urinary catheter increase the likelihood of cystitis (inflammation of the bladder)?

What is a leptospira interrogans