Question

In a lateral-flow pregnancy test, you see a blue band form on the control line and no band form on the test line. This is probably a ________ test for pregnancy.
positive
false-positive
false-negative
negative

Answer 1

Answer:

negative

Explanation:

Lateral-flow pregnancy test

It is a device use to confirm the prsence or the absence of the target analyte , which can be biomakers or the pathogens .

The very common type of lateral flow rapid test is the pregnancy test .

Lateral - flow technology uses colored nano particles , nitrocellulose membrane and antibodies to produce result of pregnancy .

As the sample is added , it flows along the test device passing via the conjugate pad to the nitrocellulose membrane and then to the absorbent pad.

The blue band on the control;l line and no band on the test line , gives a negative test of pregnancy .