You pipetted 50 µL of a patient sample, but you are not sure if you actually have 50 µL. What can you easily do at the lab bench to measure the exact amount of sample that is in your pipette tip? *

- Weigh the volume using a weighing scale

- Reverse pipette

- Visually inspect the volume using your eyes

- I don't know

Your lab intern is making some controls for your experiment. They have the following results. *

Controls Result Negative Control: + (color change) Positive Control: - (no change) Are these controls reliable? Why or why not? (Select all that apply)

Yes, because the negative control should have "color change" as a result.

Yes, because the postive control should have "no change" as a result.

No, because the negative control should have "no change" as a result.

No, because the positive control should have "color change" as a result.

I don't know

Your fellow lab technician needs to preserve a sample. What lab technique(s) could you use to help preserve the sample using wax? *

(select all that apply)

Desiccation

Formaldehyde

Parafinization

Cryopreservation

Vacuum Sealing

I don't know

A father and mother are concerned about their child and are given these results by the lab intern on a gel: Based on the gel results, do the parents have to be worried their child has a genetic mutation? *

Please see picture on the right (or scroll down below) or use the URL blow. https://drive.google.com/file/d/10D-B0bImDVT5zjdTi_dfDqMpuhooECVZ/view?usp=sharing

Yes

No

I don't know

The lab technicians choose to run an Enzyme Linked Immunosorbent Assay (ELISA) test, and show you a diagram of a positive well model: You are suspicious of their diagram. Are all the steps there? *

Please see picture on the right (or scroll down below) or use the URL blow. https://drive.google.com/file/d/1xf3bLQEjhxnZzto05GAVuf2kahJD_AzU/view?usp=sharing

Yes, all steps are there.

No, missing an enzyme.

No, missing wash buffer.

I don't know.