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2ND SEM BIOCHEMISTRY > [Recalls] Gastric And Pancreatic Digestion And Breastmilk - 1C Meredith Grey > Flashcards

[Recalls] Gastric And Pancreatic Digestion And Breastmilk - 1C Meredith Grey Flashcards

1
Q

Process of IgA secretion

A

Transcytosis

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2
Q

A lactagogue

A

Malunggay

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3
Q

Rate limiting step in synthesis of LC-PUFA

A

Desaturase

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4
Q

Completes the digestion of proteins

A

Dipeptidase

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5
Q

Fate of fatty acids with less than 10 carbons

A

Absorbed in portal vein

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6
Q

Non-digestible component of milk

A

Casein

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7
Q

Substrate of intestinal lipase (Glycerol ester hydrolase)

A

1-monoacylglycerol

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8
Q

Bound to oligosaccharides helps in development of brain

A

LC-PUFA

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9
Q

Major source of phospholipid in for breastfed infants

A

Apical membrane

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10
Q

Absolute contraindication

A

Mother with HIV

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11
Q

Contraindicated drug

A

Antimetabolites

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12
Q

Oresol mechanism of absorption

A

SGLT

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13
Q

No digestive enzyme

A

Bile

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14
Q

Why lactose content decreases with nursing mothers

A

Closure of tight junction blocking paracellular pathway

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15
Q

Mechanism for casein

A

Exocytosis

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16
Q

In the 9L of fluid volume for stool

A

200 mL

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17
Q

Lifespan of enterocytes

A

4-5 days

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18
Q

True solution containing almost all of the breast components

A

Whey/aqeuous portion

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19
Q

Main determinant milk volume

A

Whey

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20
Q

20:4w6

A

Arachidonic acid

21
Q

Phase of milk with highest fat content

A

Transitional milk

22
Q

Myoepithelial contraction for milk letdown

A

Oxytocin

23
Q

K cell secretes

A

GIP

24
Q

Secretin is secreted by

A

S cells

25
Q

B12-IF complex absorption

A

Ileum

26
Q

Passage of substance between epithelial cells rather than through them

A

Paracellular pathway

27
Q

Lactogenic trigger

A

Removal of placenta

28
Q

Protects B12 from stomach acidity

A

Haptocorrin

29
Q

18:3w3

A

Alpha linolenic acid

30
Q

Major omega 3 FA of neural tissue

A

DHA

31
Q

pH gastric lipase

A

4

32
Q

pH pepsin

A

3

33
Q

Stimulates NaHCO3- secretion

A

Secretin

34
Q

Gold standard total lipids in milk

A

DHA - 0.3%

ARA - 0.6% (0.5-0.6%)

35
Q

Water soluble vitamin passive diffusion

A

Riboflavin

36
Q

Point P in Redinger RN triangle representing normal bile composition

A

Bile - 80%
Phosphatidycholine - 15%
Cholesterol - 5%

37
Q

Preference of desaturase and elongase

A

Omega 3

38
Q

Needed for enhanced antibody production in response to vaccine

A

Nucleotides

39
Q

Sole source of nutrients for 5 month old baby

A

Mother’s milk

40
Q

Secretes intrinsic factor of Castle

A

Parietal cell

41
Q

Trypsin break between R amino group

A

Arginine

42
Q

Alternative pathway for glucose absorption in the intestine

A

Glut5

43
Q

Hexose found in breastmilk

A

Galactose

44
Q

Pentose sugar are absorbed

A

Simple diffusion

45
Q

Carbohydrate digestive product with a1-6 glycosidic bond

A

A-amylase

46
Q

Main lipid in the diet

A

Triacylglycerol

47
Q

Untrue of phytosterol

A

Easily absorbed

48
Q

Fate of unesterified cholesterol

A

Actively transported out of mucosal cells

49
Q

What is the highest source of LC-PUFA

A

Newborn fed with breastmilk

2ND SEM BIOCHEMISTRY (33 decks)

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