Chapter 9: Fat-soluble Vitamins (Vitamin K)

Question 1

other names:
-anti-hemorrhagic vitamin/factor
-coagulation factor
-menadione
-phylloquinone
-papthoquinone

Answer 1

vitamin k

Question 2

vitamin k - chemistry

belongs to a group of chemicals called _____. this includes phylloquinone and menaquinone

Answer 2

quinones

Question 3

vitamin k1 is known as

Answer 3

phylloquinone

Question 4

vitamin k2 is known as

Answer 4

menaquinone

Question 5

phylloquinone or k1 is present in

Answer 5

plant foods

Question 6

menaquinone or k2 is present in

Answer 6

animal tissues

Question 7

vitamin k3

Answer 7

menadione

Question 8

menaquinone or k2 is is synthesized by

Answer 8

intestinal bacteria

Question 9

vitamin k - chemistry

vitamin k color

Answer 9

yellow

Question 10

vitamin k - chemistry

is resistant in?

Answer 10

heat

Question 11

vitamin k - chemistry

is easily destroyed by (4)

Answer 11

alkali, strong acid, light, and oxidizing agents

Question 12

vitamin k - absorption, transport, utilization

phylloquinone is absorbed by _____

Answer 12

active transport

Question 13

vitamin k - absorption, transport, utilization

menaquinone is absorbed by

Answer 13

passive transport

Question 14

vitamin k - absorption, transport, utilization

absorbed in the _____, incorporated into chylomicrons, and is taken up by the liver

Answer 14

small intestinal wall cells

Question 15

vitamin k - absorption, transport, utilization

incorporated into very low-density lipoproteins and eventually carried to the _____ by low-density lipoproteins

Answer 15

extrahepatic tissues

Question 16

vitamin k - relationship with other nutrients

antagonistic effect of _____ (2), interferes with vitamin k absorption if excess

Answer 16

vitamin a and e

Question 17

vitamin k - relationship with other nutrients

vitamin d functions are related to

Answer 17

calcium metabolism

Question 18

vitamin k - relationship with other nutrients

vitamin k-dependent proteins are capable of

Answer 18

binding calcium

Question 19

vitamin k - functions

essential for the synthesis of several proteins involved in blood-clotting, among them is _____, made by the liver as a precursor of the protein thrombin

Answer 19

prothrombin

Question 20

vitamin k - functions

prothrombin is made by the??

Answer 20

liver

Question 21

it is made by the liver as a precursor of the protein thrombin

Answer 21

prothrombin

Question 22

vitamin k - functions

participates in the synthesis of a bone protein, most notably _____

Answer 22

osteocalcin

Question 23

vitamin k - functions

needed in the _____ of certain glutamate residues allowing a firm binding of calcium

Answer 23

gamma-carboxylation

Question 24

vitamin k - deficiency

refers to the delayed clotting time due fat malabsorption, loss or lack of microorganism which synthesize vitamin k

Answer 24

hemorrhagic disease

Question 25

vitamin k - toxicity

condition brought about by the uncontrolled use of menadione,

Answer 25

hypervitaminosis k

Question 26

vitamin k - toxicity

the synthetic vitamin k results in
_____ anemia (rbc hemolysis)

Answer 26

hemolytic anemia

Question 27

vitamin k - toxicity

the synthetic vitamin k results in
accumulation of bilirubin in the blood

Answer 27

hyperbilirubinemia

Question 28

vitamin k - toxicity

the synthetic vitamin k results in
wherein the bile pigment accumulates in the gray matter of the central nervous system leading to brain damage

Answer 28

kernicterus

Question 29

vitamin k - recommended intake

for adults (19->70 y/o) males

Answer 29

61 ug

Question 30

vitamin k - recommended intake

for adults (19->70 y/o) females

Answer 30

53 ug

Question 31

vitamin k - recommended intake

at risk individuals are
-newborn infants
-those with renal insufficiency
-those being teated chronically with antibiotics

Answer 31

at risk individuals

Question 32

vitamin k

green leafy vegetables (parsley, spinach, collard greens, and salad greens), cabbage, vegetable oils (soybean, canola, olive), cauliflower, carrots, tomatoes, egg yolk, pork liver, and seaweeds

Answer 32

vitamin k sources