All of these are reasons sexually active adolescents are more ...

[lbcchick]

All of these are reasons sexually active adolescents are more vulnerable to STIs than older individuals except
 
  a. they are less likely than older people to use protection against STIs during intercourse.
  b. they engage in oral sex and are not aware that is a medium of transmitting STIs.
  c. because they recently went through puberty, their bodies are more prone to infection.
  d. they are more likely to have multiple sex partners, increasing the odds of contracting an STI.

Question 2

The most common STI among people aged 15 to 24 is
 
  a. human papilloma virus.
  b. HIV.
  c. syphilis.
  d. chlamydia.

[Natalie4ever]

Answer to Question 1

Answer: c. because they recently went through puberty, their bodies are less prone to infection.

Answer to Question 2

Answer: a. human papilloma virus.

[lbcchick]

TYSM

[softEldritch]

Excellent