HEMA2 (KLUBSY)

Question 1

Giulio Bizzozero described platelets as

Answer 1

“petites plaques”

Question 2

The development of Wright stain was contributed to

Answer 2

James Homer
Wright

Question 3

“poor relatives” of mast cells

Answer 3

Basophil

Question 4

Described as “worms in blood”

Answer 4

RBC

Question 5

Are true blood cells that maintain bloodvessel integrityby initiating vessel wall repairs

Answer 5

Thrombocytes

Question 6

is the ratio of the volume of packed RBCs to the volume of whole blood

Answer 6

Hematocrit
/ packed cell
volume

Question 7

It is the fourth RBC index and it expresses the degree of variation in the RBC volume

Answer 7

RDW

Question 8

A RBC index that reflects RBC diameter in blood

Answer 8

MCV

Question 9

A RBC index that reflects RBC staining intensity and amount of central
pallor

Answer 9

MCHC

Question 10

A RBC index that expresses the mass of hemoglobin

Answer 10

MCH

Question 11

RBCs are _______ more numerous than WBCs

Answer 11

500 to 1000 times

Question 12

CBC Parameters in an
Automated Hema analyzer

Answer 12

RBC PARAMETERS
-rbc
-hgb
-hct
-mcv
-mch
-mchc
-rdw
-retic

WBC PARAMETERS
-plt ct
-mpv

WBC PARAMETERS
-wbc ct
-neut, lymp, mono, baso, eosino

Question 13

The WBC differential relies on the microscopist’s, and it provides extensive diagnostic information.

Answer 13

skill, visual acuity,
and integrity

Question 14

The responsibility of a medical laboratory professional is to perform analytical procedures

Answer 14

accurately, precisely, and
safely

Question 15

Prohibited in
laboratory

Answer 15

Eating, drinking, smoking, and applying cosmetics or lip balm must be prohibited

Question 16

WHEN TO PERFORM
HANDWASHING (RODAK’S)

Answer 16

Hands must be washed
a. Whenever there is visible contamination with blood or body fluids
b. After completion of work
c. After gloves are removed and between glove changes
d. Before leaving the laboratory
e. Before and after eating and drinking, smoking, applying cosmetics or lip balm, changing
a contact lens, and using the lavatory
f. Before and after all other activities that entail hand contact with mucous membranes,
eyes, or breaks in skin

Question 17

When to change gloves

Answer 17

Gloves must be changed after each contact with a patient, when there
is visible contamination, and when physical damage occurs.

Question 17

When to change gloves

Answer 17

Gloves must be changed after each contact with a patient, when there
is visible contamination, and when physical damage occurs.

Question 18

Eyewear

Answer 18

including face shields, goggles, and masks,should be used when there is potential for aerosol

Question 19

Labels in the
commercially prepared
1:10 household bleach

Answer 19

name of the solution, the dateandtimeprepared, the dateandtimeof
expiration(24hours), and the initials of the preparer.

Question 20

Bleach is notrecommended for ________

Answer 20

aluminum surfaces

Question 21

Fire extinguishers must be placed every _____ feet away

Answer 21

75 feet

Question 22

Fire extinguishers should be checked _____ and maintained ______

Answer 22

Monthly,
Annualy (yearly)

Question 23

Fire detection and suppression systems (alarms, smoke detectors,
sprinklers) should be tested
every ________

Answer 23

3 months

Question 24

Proper arrangement of chemicals

Answer 24

according to hazard class and not alphabetically

Question 25

Safety showers and eye wash stations should be available every _____ or within 10 seconds of travel distance from every work area where the hazardous chemicals are used.

Answer 25

100 feet

Question 26

The most frequent cause of a needle puncture or a puncture from other sharp objects is _________

Answer 26

improper disposal

Question 27

Lab coats or outer coverings

Answer 27

The outer covering must be made of fluid-resistant material, must be long sleeved, and must remain buttoned at all times

Question 28

Hepatitis B virus can survive on inanimate or dried surfaces for at least ______

Answer 28

1 WEEK