A Nurse Is Using a Sweat Test to Screen People

A nurse is using a sweat test to screen people for cystic fibrosis.Which of the following results demonstrates poor sensitivity?

A) When 6 out of every 10 sweat tests performed are negative, but the six individuals actually have cystic fibrosis.
B) When 6 out of every 10 sweat tests performed are positive, but the six individuals do not actually have cystic fibrosis.
C) When 6 out of every 10 sweat tests performed are negative, and the six individuals really do not have cystic fibrosis.
D) When 6 out of every 10 sweat tests performed are positive, and the six individuals really do have cystic fibrosis.