Rearrange the following sentence parts to form a meaningful and grammatically correct paragraph:
P. He took a very thin slice of a tissue sample and placed it on a glass slide.
Q. He added a single drop of a staining solution to make the cells visible.
R. He carefully placed a thin cover slip over the sample to protect it.
S. He placed the slide under the microscope to begin his examination.
Show answer & explanation
Correct answer: B
Explanation
The correct sequence of events when preparing a tissue sample for microscopic examination is:
P. The tissue sample is first sliced and placed on a glass slide.
Q. A staining solution is then added to make the cells visible.
R. A cover slip is placed over the sample to protect it and hold it in place.
S. Finally, the prepared slide is placed under the microscope for examination.