Chapter 9: Vitamin B5 (Pantothenic Acid)

Question 1

other names

panthotheine
pantothenol
antimitochondrial factor

Answer 1

pantothenic acid b5

Question 2

pantothenic acid b5 - chemistry

soluble in _____

Answer 2

water

Question 3

pantothenic acid b5 - chemistry

stable in _____ and in _____

Answer 3

moist heat and neutral solutions

Question 4

pantothenic acid b5 - chemistry

easily destroyed by

Answer 4

dry heat

Question 5

pantothenic acid b5 - chemistry

unstable in

Answer 5

acid and alkali

Question 6

pantothenic acid b5 - chemistry

pure form is a yellow oil that has never been crystalized

Answer 6

pantothenic acid

Question 7

pantothenic acid b5 - chemistry

_____ is a synthetic derivative in crystalline form; used in nutritional supplements

Answer 7

calcium pantothenate

Question 8

pantothenic acid b5 - chemistry

omega-methylpantothenic acid, pentoyl taurine, and phenylpantothenate are what

Answer 8

antagonists

Question 9

pantothenic acid b5 - absorption, transport, utilization

occurs as part of

Answer 9

coa

Question 10

pantothenic acid b5 - absorption, transport, utilization

released from the coenzyme for absorption in the

Answer 10

liver

Question 11

pantothenic acid b5 - absorption, transport, utilization

resynthesized into coa in the presence of atp and

Answer 11

cysteine

Question 12

pantothenic acid b5 - absorption, transport, utilization

about _____ is absorbed

Answer 12

half

Question 13

pantothenic acid b5 - absorption, transport, utilization

excreted in the urine as

Answer 13

pantothenic acid

Question 14

pantothenic acid b5 - functions

as a component of coa and as the _____ on acyl-carrier protein needed in the fatty acid metabolism

involved in acetylation reactions

coa acts as carrier of acetyl groups

acetyl groups are removed to form a compound (acetyl-coa) that can donate its acetyl group in another compound

Answer 14

prosthetic group

Question 15

pantothenic acid b5 - functions

as part of coa, pantothenic acid functions in:
production of energy from cho, chon, and lipids

Answer 15

-

Question 16

pantothenic acid b5 - functions

as part of coa, pantothenic acid functions in:
_____ synthesis

Answer 16

fat

Question 17

pantothenic acid b5 - functions

as part of coa, pantothenic acid functions in:
formation of the_____ group of hemoglobin

Answer 17

heme

Question 18

pantothenic acid b5 - functions

as part of coa, pantothenic acid functions in:
synthesis of _____ and other steroid hormones

Answer 18

cholesterol

Question 19

pantothenic acid b5 - functions

as part of coa, pantothenic acid functions in:
synthesis of _____ needed in nerve impulse tranmission

Answer 19

acetyl choline

Question 20

pantothenic acid b5 - functions

as part of coa, pantothenic acid functions in:
metabolism of

Answer 20

branched chain amino acids

Question 21

pantothenic acid b5 - functions

important for maintenance and repair of tissues and cells of the _____ and ____

Answer 21

skin and hair

Question 22

pantothenic acid b5 - functions

helps in

Answer 22

healing wounds

Question 23

pantothenic acid b5 - functions

form of b5 that normalized blood lipid profiles

Answer 23

pantheine

Question 24

pantothenic acid b5 - deficiency

_____ and symptoms involve a general failure of all body’s systems

symptoms: vomiting, intestinal distress, insomnia, fatigue, and “burning feet” syndrome

deficiency can be artificially created by giving individuals a diet deficient with the vitamin

Answer 24

rare

Question 25

pantothenic acid b5 - toxicity _____ have been reported with high intakes of vitamin b5, however some experience occasional diarrhea

Answer 25

no adverse effects

Question 26

pantothenic acid b5 - recommended intake increased for? (3)

Answer 26

alcoholics and those with diabetes and ulcerative colitis

Question 27

pantothenic acid b5 liver, kidneys, chicken meat, beef, egg yolk, milk, fish, whole grain cereals, potatoes, tomatoes, broccoli, and mushroom distributed widely in plant and animal foods, thus deficiency is unlikely

Answer 27

pantothenic acid food sources