euclid pt 2

Question 1

it is a tracheobronchial secretion, a mixture of upper and lower respiratory tract

Answer 1

sputum

Question 2

hormone that stimulates parietal cells to produce HCl and intrinsic factor

Answer 2

gastrin

Question 3

a gastric proteolytic enzyme that degrades proteins into smaller peptides

Answer 3

pepsin

Question 4

purpose of histamine on the stomach

Answer 4

gastric stimulant

Question 5

BAO stands for

Answer 5

basal acid output

Question 6

MAO stands for

Answer 6

maximum acid output

Question 7

basal acid output in pernicious anemia

Answer 7

zero (0)

Question 8

specimen used for quantitative fecal fat determination

Answer 8

3 day (72 hour) stool

Question 9

an acid steatocrit of <10% in children is indicative of _

Answer 9

steatorrhea (malbsorption)

Question 10

undigested muscle fibers in the feces appearance

Answer 10

has 2 dimensional striations

Question 11

lactoferrin latex agglutination is used to detect _

Answer 11

fecal leukocytes

Question 12

how many neutrophils are indicative of an invasive diarrhea

Answer 12

3 neutrophils per HPF

Question 13

diarrhea with WBCs, (+) in what test = Salmonella, Shigella, Yersinia, enteroinvasive E. coli, Campylobacter

Answer 13

Lactoferrin latex test

Question 14

seen in stool of a patient with allergic reactions

Answer 14

Charcot-Leyden crystal

Question 15

excessive fat excretion in stool is termed _

Answer 15

steatorrhea

Question 16

reagents used in the split fat stain for fatty acids

Answer 16

36% acetic acid + Sudan III

Question 17

reagents used in the neutral fat stain for triglycerides

Answer 17

95% ethanol + Sudan III

Question 18

specimen(s) used in the D-xylose test

Answer 18

2-hr postprandial blood & 5-hr urine

Question 19

fecal occult blood testing is used to screen _

Answer 19

colorectal cancer

Question 20

positive color for Guaiac test

Answer 20

blue

Question 21

why is Guaiac reagent preferred in the FOBT

Answer 21

less sensitive (avoid false-positive)

Question 22

vitamin contradicted for FOBT

Answer 22

vitamin C (ascorbic acid)

Question 23

stain used for muscle fiber determination in the feces

Answer 23

10% eosin

Question 24

reagent used in the APT test

Answer 24

1% sodium hydroxide

Question 25

pink solution in the APT test indicates the presence of _

Answer 25

fetal blood

Question 26

yellow-brown supernatant in the APT test indicates the presence of _

Answer 26

maternal blood

Question 27

pancreatic enzyme that breaks down gelatin

Answer 27

trypsin

Question 28

normal stool pH

Answer 28

7.0-8.0

Question 29

reject _ body fluid specimens (few drops) in a syringe received _ mins after collection

Answer 29

small, >10 mins

Question 30

reject _ body fluid specimens (>1 mL) in a syringe received _ after collection

Answer 30

larger, >1 hour

Question 31

the ultimate goal of automated urinalysis is to _

Answer 31

improve reproducibility & color discrimination

Question 32

principle used by automated reagent strip readers

Answer 32

reflectance photometry

Question 33

urine volume required by the yellow IRIS instrument

Answer 33

2 mL

Question 34

QC in the urinalysis laboratory must be done _

Answer 34

every beginning of shift / daily

Question 35

checking the pH and purity meter resistance of deionized water is done every _

Answer 35

week

Question 36

performing bacterial count on deionized water is done every _

Answer 36

month

Question 37

it is the time from test order through analysis to the charting of report

Answer 37

turnaround time (TAT)

Question 38

PDCA stands for _

Answer 38

plan, do, check, act

Question 39

PDSA stands for

Answer 39

plan, do, study, act

Question 40

PDMAI stands for

Answer 40

plan, design, measure, assess, improve

Question 41

most preferred sample for routine sputum analysis

Answer 41

1st morning