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Neonatology boards > Fen > Flashcards

Fen Flashcards

1
Q

Peak vacuum during a neonatal suck is created with lowering of

A

Tongue

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2
Q

Excessive amount of what trace element can lead to basal ganglia injury?

A

Manganese in the ganglia

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3
Q

Amino acid considered semi essential and needed in synthesis of antioxidant glutathione

A

Cysteine, hollenbeck overweight from gluttony

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4
Q

Folates are required in the degradation of

A

Methionine

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5
Q

Estimated survival time for 2 kg baby without external nutrients

A

10 days

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6
Q

Most common cause of decreased milk supply in moms of premies is

A

Progestin based contraception

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7
Q

Maternal demographic most related to not breastfeeding

A

Low income

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8
Q

Milk donors undergo serologic screening for which infections

A

Hepatitis B, C, syphilis, HIV, human lymphotropic virus

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9
Q

Nutritional goal intake of copperin premie

A

120 microgram per kilogram perday. To scale copper mountain you have to put in 120%

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10
Q

Predominant storage site for zinc is?

A

Bone

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11
Q

Zinc nutritional goal for premies

A

350 micrograms per kilo per day

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12
Q

Pasteurization of donor milk eliminated which two viruses that they later test the milks for

A

HIV and CMV

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13
Q

Which outcome is decreased with lactoferrin supplementation?

A

Late onset sepsis

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14
Q

Stock TPN for premies has at least x grams per 80 mL of amino acids

A

3

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15
Q

Pasteurization may decrease the amount and activity of what important enzyme in milk

A

Lysozyme pasteurization is like using Lysol

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16
Q

The increase in PTH on the 1st day after birth can be blunted by infusion of what

A

Calcium

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17
Q

Lipid solutions containing omega x fatty acids as opposed to omega x aa can minimize liver disease

A

3
6

18
Q

Do current IV and enteral nutritional approaches for long chain PU fatty acids reach intrauterine accretion rates ?

A

No

19
Q

Component in human milk most attributed to decrease NEC is

A

Platelet activating factor acetylhydrolase

20
Q

Nonnutritive sucking ratio

A

6:1 to 8:1

21
Q

Most likely mechanism by which lactoferrin protects neonates from infection

A

Antibiotic effect after proteolysis to lactoferricin

22
Q

How and where does most phosphorus absorption occur ?

A

Active and passive transport in the jejunum. PH and PH and J and J

23
Q

Most typical manifestation of zinc deficiency

A

Perianal dermatitis

24
Q

The cord blood [magnesium] is x compared to maternal [] reflecting what type of transport ?

A

Higher
Active placental transport

25
Q

Is there a risk of indirect hyperbili with free fatty acid delivery?

A

A theoretical one, yes. Actual risk is minimal. Fatty acids compete for albumin binding sites but molar ratios of 4:1 to 5:1 of free fatty acids to albumin are required for significant changes in bili binding

26
Q

In growing preterm neonates, the percentage of intestinal absorption of calcium is between x percent of intake

A

50-60 percent

27
Q

Zinc absorption in gut is enhanced by intake of what

A

Protein - prozeinc

28
Q

What type of anemia is associated with copper deficiency ?

A

Hypochromic

29
Q

Major LCPUFA in the retina necessary for phototransduction is

A

Docosahexaenoic acid 22:6, n-3

30
Q

Lactoferrin binds to which 4 things ?

A

Ferric iron, ribonuclease, nucleotide, heparin

31
Q

Can fish oil based emulsions achieve similar docohexaenoic acid levels to other non fish oil emulsions?

A

Yes, higher !

32
Q

What percentage of neonates less than 1.5 kg get rickets or fractures ?<1kg?

A

10-30 percent
50-60 percent

33
Q

Dietary component with highest amount of lactoferrin

A

Colostrum

34
Q

LCPUFA improves what outcome ?

A

Visual acuity

35
Q

Suppression of pathogenic organisms by commensal organisms in breast milk is done by suppression of Transcription factor nuclear factor kappa beta ( Anti inflammatory effect) when the commensural organism binds to what

A

Toll like receptor

36
Q

The upper threshold for peripherally infused PPN osnolarity is…

A

1000 mOsm per liter

37
Q

Lipoprotein lipase is present primarily in what tissue type?

A

Adipose tissue

38
Q

Copper absorption is impaired by uptake of what

A

Ascorbic acid

39
Q

The biologically active component of human milk most preserved after initial freezing and pasteurization is what

A

Linoleic acid Linoleum very sturdy

40
Q

Most likely cause of hypokalemia in ELBW in first three days

A

Shift of potassium from intracellular to extra cellular fluid

41
Q

Premie moms have less milk why?

A

Not because of gestation! It’s insufficient monitoring of volumes, lack of info and equipment, lack of on site storage, stress of nicu

42
Q

The nutrient most likely to reduce oxidative stress through its interaction with the antioxidant glutathione peroxidase is

A

Selenium

Neonatology boards (18 decks)

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