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CLINICAL PARASITOLOGY > PRE LAB 3 AND 4 > Flashcards

PRE LAB 3 AND 4 Flashcards

1
Q

FOOD REMNANTS ON NORMAL STOOL MACROSCOPICALLY

A

seed, vegetables, fruits

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2
Q

food remnants microscopically

A

muscle fibers, vegetable cells, vegetable fibers

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3
Q

normal color of stool

A

yellow to brown

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4
Q

odor of stool

A

foul to offensive

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5
Q

consistency of stool

A

watery, soft, formed, hard

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6
Q

normal stool consistency

A

soft,formed

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7
Q

in chemical examination what is not seen on the naked eye

A

Fecal occult blood

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8
Q

Benzidine method

A

a. pea size of stool
b. saturated acetic acid with benzidine powder
c. add equal amt of 3% hydrogen peroxide
d. read result not after more than 2 min.

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9
Q

how many drops are used (sat. acetic acid and 3% hydrogen peroxide)

A

2 drops, 2 drops

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10
Q

other term for direct fecal smear

A

direct wet mount technique

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11
Q

this is the simplest and moderately efficient procedure for examination of feces

A

direct fecal smear

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12
Q

the action of the intestinal tract usually result in an even distribution of parasite

A

mixing action

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13
Q

dfs preparation should be mandatory on what kind of specimen

A

soft, loose, ad watery

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14
Q

what is detected on liquid stool

A

motile trophozoites

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15
Q

how many gram of feces is used in dfs

A

2mg

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16
Q

procedure of dfs

A

2mg feces on glass slide- add nss- mix with applicator stick and cover slip

17
Q

what method is used when viewing dfs in LPO

A

systemic method

18
Q

what objective is used for the confirmation of dfs

A

HPO

19
Q

wet mounts may be preserve for several hours by

A

ringing the cover slip with paraffin or nail polish

20
Q

what method of counting is used in dfs

A

battlement mthod

21
Q

Importance of fecalysis

A
  1. detection of intestinal parasite
  2. detection of evidence of malfunction in GIT, liver, pancreas
  3. detect GIT bleeding
  4. detect excessive fats in stool
  5. used as surgical and medical diagnosis
22
Q

technique that is based on the fact that when a layer of stool is in contact with glycerin soaked

A

kato-thick smear

23
Q

what is detected in kato thick smear

A

helminth eggs

24
Q

procedure of kato thick smear

A

pea size,glycerin strip, examine 10-20 mins

25
Q

concentration procedure generally fall into two categories

A

flotation and sedimentation

CLINICAL PARASITOLOGY (1 decks)

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