Medically Reviewed by Renee A. Alli, MD on November 23, 2022
Question 1/15

In teenagers, bad breath is usually caused by:

  • Sinus infections
  • Mouth bacteria
  • Smelly foods
  • Gum disease
Question 2/15

Which of the following can help with bad breath?

  • Celery
  • Carrots
  • Sugarless gum
  • All of the above
Question 3/15

Shaving makes hair grow back faster and thicker.

  • True
  • False
Question 4/15

For a better shave -- closer and smoother -- you should shave:

  • At night
  • With an electric razor
  • In the same direction your hair grows (with the grain)
  • Against the direction your hair grows (against the grain)
Question 5/15

Shampooing your hair daily can help:

  • Prevent dry hair
  • Protect your hair from sun damage
  • Prevent facial acne
  • None of the above
Question 6/15

Which of the following is true about acne?

  • Chocolate can cause acne
  • Sunlight can help clear up acne
  • Over-the-counter benzoyl peroxide is an effective treatment for acne
  • All of the above
Question 7/15

You shouldn't "pop" pimples with your fingers, but dermatologists say it can be helpful to lance "whiteheads" carefully with a sterilized needle.

  • True
  • False
Question 8/15

Which of the following is more effective to prevent body odor?

  • Daily use of a deodorant
  • Daily use of an antiperspirant
  • Daily use of cologne
  • Daily showers or baths
Question 9/15

People tend to have more body odor after puberty because they sweat more.

  • True
  • False
Question 10/15

Which of the following can help prevent jock itch?

  • Bathing or showering daily
  • Wearing loose-fitting clothing
  • Wearing sandals in public bathing areas
  • All of the above
Question 11/15

You can get dandruff from sharing a comb with someone who has dandruff (or by your hair being in contact with theirs).

  • True
  • False
Question 12/15

Which of the following can help keep your hair looking healthy?

  • Regular haircuts
  • Frequent brushing or combing
  • Blow-drying instead of towel-drying
  • None of the above
Question 13/15

What is the most common cause of ingrown toenails?

  • Improper nail-trimming
  • Ill-fitting shoes
  • Injury
  • None of the above
Question 14/15

To prevent acne, dermatologists recommend daily exfoliation with a product containing scrubbing particles.

  • True
  • False
Question 15/15

Which of the following can be made worse by stress?

  • Eczema
  • Acne
  • Dandruff
  • All of the above