Medically Reviewed by Sabrina Felson, MD on August 16, 2022
Question 1/15

You can break your penis.

  • True
  • False
Question 2/15

What's the usual age for a first erection?

  • Age 13 or up
  • Age 5-6
  • Age 1 or under
Question 3/15

If you have an erection that lasts longer than 4 hours, your doctor may suggest:

  • A warm shower
  • Climbing stairs
  • Having sex right away
Question 4/15

Should I worry about little bumps on my penis?

  • Yes
  • No
Question 5/15

How long is the average erect penis?

  • 7 to 9 inches
  • 6.5 to 7 inches
  • 5 to 6.5 inches
Question 6/15

The bigger guys’ feet, the bigger their penis.

  • True
  • False
Question 7/15

Who made the term “ball ironing” popular?

  • Masters & Johnson
  • George Clooney
  • The Kama Sutra
Question 8/15

It's normal to have erections while you sleep.

  • Yes
  • No
Question 9/15

Surgery can make your penis bigger.

  • True
  • False
Question 10/15

Masturbation is as healthy as having sex.

  • True
  • False
Question 11/15

Shrinkage

  • Protects sperm
  • Lowers testosterone
Question 12/15

Masturbating more than five times a week is unhealthy.

  • True
  • False
Question 13/15

Is it normal for my penis to hang to one side?

  • Yes
  • No
Question 14/15

At age 40, how many guys have ED?

  • 10%
  • 20%
  • 40%
Question 15/15

Which of these is a real treatment for premature ejaculation?

  • Antidepressants
  • Spray-on lotion
  • Both