AMNIOTIC FLUID & FECAL analysis Flashcards

1
Q

def? Liquid product of fetal metabolism

A

amniotic fluid

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2
Q

where in the body do you find amniotic fluid

A

amnion

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3
Q

what is the membrane that surrounds the fetus called

A

amnion

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4
Q

what helps with the temp of the fetus

A

amniotic fluid

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5
Q

what helps with fetal lung development

A

amniotic fluid

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6
Q

what does amniotic fluid allow to exchange

A

water

chem

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7
Q

if you are pregnant and 35 or older what test needs to be preformed

A

Amniocentesis

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8
Q

what does Amniocentesis test for

A

birth defects

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9
Q

what can be examined later than 20 weeks from Amniocentesis

A

fetal lung maturity

fetal distress

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10
Q

what fluid is amniotic fluid similar to

A

dialysate of plasma

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11
Q

what does the fetus do to for intestinal absorption

A

swallows amniotic fluid

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12
Q

how is water and and electrolytes removed and replaced in the amniotic fluid

A

fetal urineation

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13
Q

during the 1st trimester how much amniotic fluid is derived primarily from the maternal circulation

A

35 ml

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14
Q

when is amniotic fluid at a volume high

A

37 weeks

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15
Q

measure of lung maturity in amniotic fluid

A

lung surfactants

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16
Q

def? Excess amniotic fluid from failure of fetus to swallow >1200 mL

A

Polyhydramnios

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17
Q

def? Decreased amniotic fluid from increased fetal swallowing, membrane leakage <800 mL

A

Oligohydramnios

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18
Q

what compounds does fetal urine increase

A

creatinine, urea, and uric acid

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19
Q

what compound measures fetal age

A

creatinine

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20
Q

what is used to measure premature membrane rupture or accidental puncture of maternal bladder from amniocentesis

A

maternal urine

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21
Q

what test is ran to distinguish between amniotic fluid and mom’s urine

A

fern test

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22
Q

def? needle aspiration into amniotic sac under ultrasound guidance: transabdominal or vaginal

A

amniocentesis

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23
Q

when is amniocentesis preformed

A

after 14 week

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24
Q

what temp is amniotic fluid kept at

A

room

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25
what is done to an amniotic fluid sample for fetal/lung FLM tests
kept on ice
26
what does a green amniotic fluid mean
Meconium (fetal bowel movement)
27
what does a dark red-brown amniotic fluid mean
fetal death
28
what does a yellow amniotic fluid mean
bilirubin
29
what protein is produced by the fetal liver
Alpha-fetoprotein
30
what is the Most common complication of early delivery
respiratory distress syndrome
31
def? storage form of surfactants responsible for Fetal Lung Maturity
lamellar bodies
32
what produces lamellar bodies
type II pneumocytes
33
def? placenta and acts as the glue that attaches the placenta to the uterine wall
Fetal Fibronectin
34
what helps lube the fetus when it come out
Fetal Fibronectin
35
what is tested for gastrointestinal bleeding (GI), liver and biliary duct disorders, pancreatic disorders, malabsorption syndromes, maldigestion, and infections problems
feces
36
how many grams of feces is produced in a 24 hr period
100- 200 g
37
where is the final breakdown and reabsorption of proteins, carbohydrates, and fats
small intestines
38
what help the final breakdown and reabsorption of proteins, carbohydrates, and fats
pancreatic enzymes | bile salts
39
site of water, sodium, chloride absorption
large intestines
40
def? >200 g stool weight per day with increased liquid and more than three movements per day
diarrhea
41
if you have diarrhea for more than 4 weeks what is it called
chronic
42
if you have diarrhea for less than 4 weeks what is it called
acute
43
what lab test are ran on diarrhea
fecal electrolytes, osmolality, and pH
44
what does a pH <5.6 indicates (diarrhea)
sugar metabolism
45
what kind of diarrhea: Drugs, laxatives, inflammatory bowel disease/colitis, endocrine disorders, malignancy, collagen vascular disease
secretory
46
what kind of diarrhea increases water retention in large intestine
osmotic
47
impaired digestion of foods
maldigestion
48
impaired reabsorption
Malabsorption
49
what kind of diarrhea: Lactose intolerance, celiac sprue (malabsorption), amebiasis, giardiasis, antibiotics, laxatives, antacids
osmotic
50
what kind of diarrhea: Gastrectomy, gastric bypass, postvagotomy, duodenal ulcer, diabetes mellitus
altered motility
51
Steatorrhea
increase fat in stool | fat malabsorption
52
what compound is lacking in Steatorrhea
bile salts
53
what kind of diarrhea: Cystic fibrosis, pancreatitis, and malignancy decrease pancreatic enzymes for lipid breakdown
Steatorrhea
54
what does stool with Steatorrhea look like
pale, greasy, bulky, foul odor
55
how long are fecal samples taken
72 hours
56
what does Black tarry stool mean
Upper GI bleeding
57
what does Red stool mean
Lower GI bleeding
58
what does Ribbon like stools mean
bowel obstuction
59
what does a Mucus stool mean
Inflammation of intestinal wall
60
what does Clay-colored; pale poop mean
Bile-duct obstruction
61
what test is done to detect colorectal cancer
occult blood
62
what stain is used for fat in feces
sudan III
63
what test is ran for Fetal Hemoglobin
APT test
64
what does it mean if babies have blood in feces/vomit
swallowed maternal blood during delivery
65
apt test pink color supernatant remains =
alkali-resistant fetal Hgb
66
apt test yellow-brown color supernatant
maternal Hgb
67
Definitive test for steatorrhea
Quantitative Fecal Fat
68
what does the pt have it limit for Quantitative Fecal Fat test
fat
69
Common fecal testing on infants for disaccharidase deficiencies and lactose intolerance in adults
Fecal Carbohydrate Tests
70
Normal stool pH
7 to 8
71
Test distinguishes between carbohydrate reducing sugars-caused and bacterial/viral-caused diarrhea
Fecal Carbohydrate Tests
72
what does the Xylose test examin
Malabsorption