41 Flashcards

1
Q

essential nutrients

A

essential amino acid
essential fatty acid
vitamin
mineral

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2
Q

mike kaspari

A

map distribution of essential nutrients in ecosystem in an attempt to predict changes in species composition

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3
Q

2 essential fatty acids

A

Omega3
omega6

polyunsaturated fatty acids

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4
Q

vitamins

A

organic molecules required in diet in small amounts

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5
Q

B6

A

coenzime in aminoacid metabolism

def: irritability , convulsions, muscular twitching , anemia

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6
Q

B12

A

production of nucleic acid and RBC

def; anemia, numbness, loss of balance

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7
Q

A

A

visual pigments, epithelial tissue

def: blindness , skin disorders, impaired immunity

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8
Q

D

A

aid in absorption and use of Ca and P

def: rickets in children, cone softening in adults

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9
Q

E

A

antioxidant , prevent damage to cell

def: nervous system degeneration

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10
Q

K

A

imp in blood clotting

def: defective blood clotting

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11
Q

Minerals

A

simple inorganic nutrients, usually required in small amounts

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12
Q

Ca

A

bone and tooth formation, blood clotting, nerve and muscle function

def: impaired growth, loss of bone mass

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13
Q

P

A

bone and tooth formation, acid-base balance, nucleotide synthesis

def: weakness, loss of minerals from bone, calcium loss

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14
Q

K

A

acid-base balance, gastric juice formation, nerve function, osmotic balance

def:muscular weakness, paralysis, nausea, heart failure

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15
Q

Cl

A

acid-base balance, gastric juice, nerve function, osmotic balance

def: muscle cramps, reduced appetite

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16
Q

Na

A

acid-base balance, water balance, nerve function

def; muscle cramps, reduced appetite

17
Q

F

A

hemoglobin and electron carrier, enzyme cofactor

def: anemia, weakness, impaired immunity

18
Q

gastro vascular cavity

A

simple body plan

digestion and distribution

19
Q

earth worm

A
mouth
pharynx
esophagus
crop
gastric juice
rectum
anus
20
Q

Grasshopper

A
mouth
esophagus
crop
gastric cecae
rectum
anus
21
Q

bird

A
mouth
esophagus
crop
stomach
gizzard
intestine
anus
22
Q

peristalsis

A

pushes food by rhythmic contraction and relaxation of muscle

23
Q

Sphincter

A

valves regulation movement between compartments

24
Q

salivary gland

A

saliva + mucus + amylase

25
Q

mucus

A

viscous mixture of water+salt+cells+glycoprotein

26
Q

oral cavity

A
saliva
mucus
amylase
antimicrobial agent
tongue
pharynx
esophagus
27
Q

Gastric gland cells

A

mucus cell
parietal cell
chief cell

28
Q

parietal cell

A

H+, Cl-

29
Q

chief cell

A

pepsinogen—- + HCl —-> pepsin

Pr –> smaller peptide

30
Q

small intestine

A

longest section
digestion and absorption

bile , pancreas juice, Small intestine enzyms

duodenum –> digestion

jejunum & ileum –> absorption

villi and microvilli

31
Q

Pancrease juice

A

protease ( trypsin & chymotrypsin ) –> activated in Duodenum lumen
HCO3-

32
Q

Bile

A

absorption of fats

33
Q

hepatic portal vein

A

nutrient rich blood first to liver(regulate nutrient distribution) then to heart

34
Q

tryglycerides

A

lipase–>fatty acid and monoglycerid

diffuse into epithelial cell

reform

incorporated into water soluble chylomicrons

exocytosis into lacteals

lymph

35
Q

chylomicrons

A

fat coated with phospholipids + cholesterol + Protein

36
Q

lacteals

A

deliver chylomicrons-containing lymph into large veins