Procedures (Direct Wet Mount, Concentration & Trichrome Staining)
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| True or False? When preforming a direct wet mount, undiluted Lugol's Iodine is the best stain to identify parasites. | False. Lugol's Iodine should be diluted 1:5 with water before staining.
🗑
|
||||
| Why are concentrations of little use when observing loose and watery stool specimens? | Loose and watery stool specimens typically contain trophs rather than cysts. Concentrations are used to recover cysts and will likely miss trophs.
🗑
|
||||
| Why is the amount of sediment critical when preforming a concentration procedure? | If there is too little sediment, your chances of recovering parasites is decreased.
🗑
|
||||
| List the advantages of the trichrome staining process. | 1) Easy
2) Quick
3) Reliable
4) Used on PVA fixed or fresh sample
5) Solutions are stable
6) Polychromatic and easier to read
7) Transparent stain
🗑
|
||||
| You receive a rectal swab coated with stool from a 1 year old experiencing watery stools, excessive gas, bloating, loss of appetite, and dehydration. Their medical record notes that they attend a day care center. What parasites should you check for? | None. Swabs are unacceptable. Reject it!
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
deleted user
Popular Laboratory Science sets