cc (centri)

Question 1

It is a process in which centrifugal force is used to separate solid matter from a liquid suspension.

Answer 1

CENTRIFUGATION

Question 2

– moves particles away from the axis of rotation

Answer 2

Centrifugal force

Question 3

• is used to prepare samples, blood, and body fluids, in clinical chemistry for analysis

Answer 3

Preparative centrifugation

Question 4

• is used to concentrate urine sediment in urinalysis for microscopic viewing.

Answer 4

Analytical centrifugation

Question 5

When samples are not properly centrifuged, ____ can cause erroneous results during analysis.

Answer 5

small fibrin clots and cells

Question 6

are generally used to separate serum or plasma from the blood cells as the blood samples are being processed

Answer 6

Centrifuges

Question 7

Is used to separate a supernatant from a precipitate during an analytic reaction

Answer 7

Centrifuges

Question 8

–is attached to the vertical shift of a motor or air compressor and enclosed in a metal covering

Answer 8

Head/rotor assembly

Question 9

– holds the test tubes

Answer 9

Centrifuge tube holder

Question 10

– encloses the tube holder and head of the centrifuge

Answer 10

Chamber

Question 11

– secures the cover of the entire chamber

Answer 11

Latch

Question 12

• supplies the force to the shaft and rotor in order to achieve the desired speed and create sufficient centrifugal force

Answer 12

Motor

Question 13

– used to decelerate the centrifuge machine

Answer 13

Braking device

Question 14

2 Types of Centrifugal Forces:

Answer 14

Buoyant force-
Frictional force

Question 15

force required to displace the particles from the liquid media into which they settle

Answer 15

Buoyant force-

Question 16

force generated by particles as they migrate through the solution

Answer 16

Frictional force –

Question 17

– density of both samples and solution

Answer 17

Mass

Question 18

is expressed in revolutions per minute (rpm)

Answer 18

Speed -

Question 19

– from center of rotor to sample

Answer 19

Radius

Question 20

Speed of the centrifuge was verified using?

Answer 20

tachometer or strobe light

Question 21

AKA swinging-bucket type

Answer 21

Horizontal Centrifuge

Question 22

When at rest or not in motion, the centrifuge tubes are held vertically, but shift to a horizontal position when fully in motion or when the centrifuge is turned on

Answer 22

Horizontal Centrifuge

Question 23

AKA angle-head centrifuge
Tube angle is 25-40 degrees

Answer 23

Vertical Centrifuge

Question 24

the type of centrifuge with the highest speed
It follows a fixed angle but it produces a very tightly packed sediment

Answer 24

Ultracentrifuge –

Question 25

Recommended temperature is -15°C to -25°C
Method of choice for separating fractions of lipoproteins and drug-binding assays

Answer 25

Ultracentrifuge –

Question 26

AKA Cytospin centrifuge
It is used to prepare body fluids, such as blood, urine, peritoneal, pleural, pericardial, and cerebrospinal fluid (CSF), as well as fine needle aspirates that can be spread on the slide

Answer 26

Cytocentrifuge –

Question 27

Maintenance of Centrifuge

Answer 27

Weekly/Biweekly-
monthly
quarterly