Review (15-19 May)

Question 1

What is the stoppage of normal blood flow known as?

Answer 1

Venous stasis

Question 2

What is a microtome used for?

Answer 2

Creating thin sections of specimens for the pathology department

Question 3

List 5 items that are disposed of through regular (non-regulated) waste. (5)

Answer 3

1. Gloves
2. Lab coat (disposable)
3. Plastic transfer pipettes
4. Used urine container (if no visible blood is contained)
5. Needle caps

Question 4

How should glacial acetic acid be stored? (2)

Answer 4

1. At room temperature

2. In a safety cabinet

Question 5

Which instrument is used to separate specimens?

Answer 5

Centrifuge

Question 6

Differentiate between TD and TC. (2)

Answer 6

1. TD = To deliver → last drop is not blow out (gravity is used)
2. TC = To contain → last drop remaining needs to be blown out

Question 7

List 6 non-sharp items that are autoclaved for disposal. (6)

Answer 7

1. Contaminated gloves
2. Contaminated gauze squares
3. Bloody cotton balls
4. Full collection tubes (plastic tubes)
5. Urine culture (autoclaved as this is not sterile!)
6. Sealed serum/plasma transfer tubes

Question 8

What test is affected by the location’s altitude?

Answer 8

RBC count

Question 9

List 4 items that are disposed of in a biohazardous sharps container. (4)

Answer 9

1. Needles (used/unused)
2. Capillary tubes (glass)
3. Microscope slides
4. Glass collection tubes

Question 10

What does hemoconcentration from prolonged tourniquet application increase?

Answer 10

Non-filterable analytes

Question 11

How long are autoclaved articles considered sterile for?

Answer 11

Up to 4wks

Question 12

Which balance is used for high precision weighing?

Answer 12

Analytical balance

Question 13

What piece of equipment measures hydrogen ion concentration?

Answer 13

pH meter

Question 14

Does the BSP regulations require all personnel entering the lab to wear a lab coat?

Answer 14

Yes

Question 15

Define: borosilicate glass

Answer 15

Non-reactive glass with high thermal resistance and is used in most quality lab ware

Question 16

Define: beaker

Answer 16

Wide, straight-sided cylindrical vessel used to make estimated measurements for mixing

Question 17

Define: flint glass

Answer 17

Inexpensive glass with low-resistance to heat and chemicals

Question 18

Define: polypropylene

Answer 18

Lightweight plastic that can withstand heat sterilization

Question 19

Define: volumetric pipette

Answer 19

Pipette for measuring anything that requires precise measurement

Question 20

Define: graduated cylinder

Answer 20

Long straight-sided container with calibrated markings with a high degree of accuracy → used for 24hr urine volumes

Question 21

Define: Erlenmeyer flask

Answer 21

Flat-bottomed, conical flask used for mixing