Pls answer asap 60 points if all questions are answered

question 1) how is hiv transmitted?
a) through the air
b) swimming with a infected person
c) sharing clothes with a infected person
d) from mother to unborn child

question 2) what is the correct definition of an 'opportunistic infection'?
a) a disease that attacks a person with a weakened immune system
b) person who appears healthy but is infected with a disease
c) a disease that attacks a person with a healthy immune system
d) person who looks ill but is untouched by a disease

question 3) what is the correct definition for carrier?
a) a disease that attacks a person with a weakened immune system
b) person who appears healthy but is infected with a disease
c) a disease that attacks a person with a healthy immune system
d) person who looks ill but is untouched by a disease

question 4) which cells in the body are targeted by hiv?
a) b cells
b) red blood cells
c) platelets
d) t cells

question 5) which statement about aids and hiv is true?
a) aids causes hiv
b) hiv causes aids
c) hiv can be cured but aids cannot be cured
d) aids can be cured but hiv cannot be cured