PARA LA 2

Question 1

a test to measure for acidity of stool to help in the diagnosis of a certain medical condition

Answer 1

Test for pH- nitrazine paper test

Question 2

Normal pH of feces

Answer 2

6.6

Question 3

optimal result oof pH in Stool

Answer 3

6.1 to 7.9

Question 4

low pH below 6.0 may be a result of _______________

Answer 4

diarrhea

Question 5

a slightly alkaline pH is observed in patients with________________

Answer 5

low-fiber diet

Question 6

what is the test for mucus

Answer 6

Hecht method

Question 7

Interpretation of Hecht Method

Mucus stains _____

Answer 7

Light red

Question 8

Interpretation of Hecht Method

Nuclei and cell membrane stains _____

Answer 8

Reddish violet

Question 9

Interpretation of Hecht Method

Background should be _____

Answer 9

Green

Question 10

test for occult blood

Answer 10

fecal occult blood test

Question 11

Occult blood is not observed _________

Answer 11

macroscopically

Question 12

Occult blood in an indication of ______________________

Answer 12

Gastrointestinal Bleeding

Question 13

Use Guaiac reagent

Answer 13

Fecal Occult Blood Test

Question 14

test for bile pigment

Answer 14

Gmelins test

Question 15

Gmelin’s Test

After precipitation of the bile pigments by nitric acid, it is oxidized by acids to derivatives such as . There are (3)

Answer 15

Biliverdin (green)

Bilicyanin (blue)

Choletelin (yellow)

Question 16

Interpretation of Gmelin’s Test

Play of colors: From outermost to innermost: there are (5) colors

Answer 16

green
blue
violet
red
yellow

Question 17

Interpretation of Gmelin’s Test

The absence of green excludes the Prescence of _______________

Answer 17

Bile pigment

Question 18

test to determine whether the blood is grossly bloody vomitus or feces of the neonate represents swallowed maternal blood during delivery or during breastfeeding

Answer 18

APT test or Apt-downey

Question 19

May use Sudan Black to stain

Answer 19

Test for Malabsorption of Fats

Question 20

Test for Malabsorption of Fats Interpretation

Presence of _>60 fat droplets/HPF indicates ____________

Answer 20

Steatorrhea

Question 21

test for ability to digest gelatin

Answer 21

TRYPSIN

Question 22

test for presence of reducing substances

Answer 22

CLINITEST

Question 23

this test is helpful as a mass screening procedure for colorectal cancer

Answer 23

FOBT ( Fecal Occult Blood Test)

Question 24

Color for positive in FOBT ( Fecal Occult Blood Test)

Answer 24

blue

Question 25

Eating peroxidase containing food and intake of drugs like aspirin or other anti inflammatory drugs

Answer 25

Can cause false positive in FOBT ( Fecal Occult Blood Test)

Question 26

Intake if large amounts of vitamin C and conversion to acid hematin

Answer 26

Can case false negative in FOBT ( Fecal Occult Blood Test)

Question 27

normally around __ grams per day of fat is excreted in the feces -Test for Malabsorption of Fats

Answer 27

7g

Question 28

Test for Malabsorption of Fats

excess fat excreted in the feces is called

Answer 28

steatorrhea

Question 29

Test for Malabsorption of Fats

is caused by the deficiency of pancreatic lipase and bile salts

Answer 29

steatorrhea

Question 30

In APT test, neonatal blood contains a high proportion of ________________ which is resistant to alkali denaturation

Answer 30

fetal hemoglobin

Question 31

In Apt test in the presence of fetal hemoglobin the solution __________________

Answer 31

Remains Pink

Question 32

In apt test in the presence of maternal hemoglobin the solution _____________________________

Answer 32

becomes yellow brown after 2 mins

Question 33

Hecht reagent is prepared by mixing ______________ and _________________

Answer 33

2% brilliant green and 1% neutral red

Question 34

to prevent false positive in Gmelin’s test, diet should be free from peroxidase-containing foods for at least ________ prior to testing

Answer 34

3 days