Module 2

Question 0

3 factors that depend on the time required to sediment particles

Answer 0

Rotor speed, radius of rotor , effective path length travelled by particles

Question 1

Rcf= krn2

Answer 1

K = 1.18x10^-5
R= radius
N=speed of rotation

Question 2

Instructions when a spill occurs in a centrifuge

Answer 2

turn off and allow it to stop, allow up to 30 min for aerosols to settle, autoclave removable parts, clean inside with cidex, unbroken tubes must be rinsed off with 10,000 ppm , check for glass

Question 3

Steps for automated tissue processor

Answer 3

Fixation: formalin
Dehydration: graded alcohols
Clearing: xylene
Infiltration: paraffin wax

Question 4

What is the purpose of the cytocentrifuge ?

Answer 4

To concentrate bacteria and/or cells from liquid specimens

Question 5

Liquid specimens for cytocentrifuge ?

Answer 5

Csf, synovial, pleural , pericardial, peritoneal

Question 6

What does h&e stand for?

Answer 6

Hematoxylin and eosin