1.35: Vitamins
- Page ID
- 38615
\( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} } \) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\)
Use the following Key to answer Questions 1- 7
- 1, 2, and 3 are correct
- 1 and 3 are correct
- 2 and 4 are correct
- only 4 is correct
- all are correct
- Determination of person’s vitamin status can be made by chemical measurement of:
- he active vitamin in fluids or cells
- urinary metabolites of the vitamin
- enzymatic activity requiring the vitamin
- urinary metabolites of a substance whose production is dependent upon the vitamin
- Absorption of dietary vitamin B12 requires:
- pancreatic proteases
- active phosphorylation
- intrinsic factor
- intestinal esterases
- A deficiency of vitamins A, E, and D can be associated with which of the following clinical problems:
- pancreatic insufficiency
- alcoholic liver disease
- biliary tract disease
- chronic calorie malnutrition
- Vitamins:
- comprise a group of small molecular weight compounds
- serve as cofactors in a number of enzyme reactions
- are obtained from diet (food sources)
- are a special group of amine compounds found in herbs
- Vitamin deficiencies are the result of
- inadequate concentration in the diet
- inadequate enzyme intake
- inadequate intestinal absorption
- inadequate conversion to molecular forms
- The fat soluble vitamins include:
- Vitamin A
- Vitamin E
- Vitamin K
- Thiamine
- The water soluble vitamins include:
- Vitamin C
- Riboflavin
- Pyridoxine
- Vitamin B
- Which of the following groups of vitamins can be synthesized by the human liver?:
- fat soluble vitamins
- water soluble vitamins
- carotenoids
- all of the above
- none of the above
- Which of the following vitamins is necessary for the synthesis of active coagulation factors?
- Vitamin A
- Niacin
- Vitamin D
- Biotin
- Vitamin K
- Which of the following vitamins is believed to function as an antioxidant?
- Vitamin A
- Vitamin D
- Vitamin E
- Vitamin K
- Vitamin B12
- MATCH the precursor with the biologically active vitamin.
Presursor | Active vitamin |
---|---|
|
|
- While vitamins A and E are stored for relatively long/short time periods, vitamins K, B6, and C are stored for relatively long/short time periods:
- long/short
- long/long
- short/long
- short/short
- none of the above for these combinations of vitamins
- The dietary sources of the fat soluble vitamins are animal organ meats (i.e., liver) while the dietary sources of the water soluble vitamins are fruits and vegetables.
- True
- False
- Answer
-
- e (p. 726)
- b (p. 744-746)
- e (p. 726, 727)
- a (p. 723)
- b (p. 723, 726)
- a (p. 726)
- e (p. 733, 734)
- e (p. 723)
- e (p. 733)
- c (p. 731)
- i. c (p. 727), ii b (737), iii g (737), iv e (743), v a (735)
- a (p. 727, 734)
- b (p. 727-750)