Medically Reviewed by Dan Brennan, MD on February 11, 2023
Question 1/14

In guys, puberty usually begins between what ages?

  • 9 to 12
  • 10 to 14
  • 12 to 16
  • 14 to 18
Question 2/14

Which sign of puberty usually happens first in guys?

  • Bigger muscles
  • Underarm hair
  • Bigger testicles
  • Voice change
Question 3/14

Acne in puberty is worse in guys than girls.

  • True
  • False
Question 4/14

Guys' may develop breasts during puberty.

  • True
  • False
Question 5/14

How many inches a year do guys grow during puberty?

  • 1 inch
  • 3 inches
  • 4 inches
  • 7 inches
Question 6/14

You need a lot of sleep after puberty starts.

  • True
  • False
Question 7/14

How much later does puberty start in guys than in girls?

  • 6 months
  • 1 year
  • 2 years
  • 3 years
Question 8/14

During puberty, a guy's body starts making sperm.

  • True
  • False
Question 9/14

Most times when puberty is late, you need to see a doctor.

  • True
  • False
Question 10/14

Guys in puberty get better at:

  • Making plans
  • Setting goals
  • Thinking abstractly
  • All of the above
Question 11/14

Which hormone is made during puberty in guys?

  • Estrogen
  • Testosterone
  • Both of the above
  • Neither of the above
Question 12/14

Puberty may make guys eat hundreds more calories a day.

  • True
  • False
Question 13/14

In puberty, guys' hormones can lead to risky behavior.

  • True
  • False
Question 14/14

Guys are more likely to have behavior problems when they go through puberty:

  • Faster than normal
  • Slower than normal
  • After most girls
  • None of the above