Barry, who has a really bad cold, coughs into his bare hand. he uses the same hand to grab the pole in the subway car to steady himself as the car goes around a tight corner. several minutes later, donny, who is perfectly healthy, grabs the same pole as barry. later that morning, donny itches his eye with the hand that grabbed the pole. a day or two later, donny has a really bad cold. if donny got his cold from barry, then you would say that the pathogen was transmitted by
a) indirect contact. b) autoinoculation. c) direct contact. d) opportunistic infection.

When a person undergoes root canal treatment or another endodontic treatment: [select all that apply] a.) the inside of the tooth is carefully cleaned and disinfected. b.) air is forced into the canal to stop bleeding. c.) the inflamed/infected pulp is removed. d.) the inside of the tooth is filled and sealed with a rubber-like material called gutta-percha

10. what is empathy? the tendency to compete within the family the ability to read another’s mind the tendency to think of yourself first the ability to understand another’s thoughts or feelings

Lyme disease is caused by a bacterium transmitted to people by deer ticks. deer ticks are almost never born infected with the bacterium, but they can pick it up from feeding on an infected host in any of the tick's three successive stage of development: larva, nymph, adult. once infected, a tick remains infected through any subsequent developmental stages, but since a tick feeds on only one host in each stage, it follows that . people can be infected only by being bitten by a tick that is either in larval stage or in the nymph stage b. people cannot be infected by a tick that picked up the lyme disease bacterium in the adult stage c. it is not possible for a person to be infected by a tick that is in the nymph stage or by a tick that was infected with the bacterium while in the nymph stage d. people infected with the lyme disease bacterium cannot transmit bacterium to adult deer ticks e. only deer ticks that are adults can transmit the lyme disease bacterium to people