Which of the following is a way to overcome an addiction to smoking tobacco?
a. switch to smokeless tobacco, and use the nicotine patch to gradually withdraw from nicotine.
b. avoid tobacco products and people who smoke, and attend group counseling sessions.
c. take painkillers as a substitute for the drug, and then slowly reduce the dosage.
d. avoid telling your friends of your plans to quit, and join a support group instead.

Which of these is most likely to prevent pregnancy? a. tracking of female body temperature to identify ovulation times b. proper condom use c. male withdrawal before ejaculation d. proper spermicide use

When you have proper posture, your back is arched. a. true b. false

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