Pharmacology - Vitamins

44 Questions | By Caitlinb | Updated: Mar 22, 2022 | Attempts: 1119

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I don't know how much of this information is correct. . . But it's in our notes. . . So. . . .

Questions and Answers

1.

Which vitamin is mainly involved in carbohydrate metabolism?
- A.
  
  Riboflavin
- B.
  
  Thiamine
- C.
  
  Nicotinic Acid
- D.
  
  Pyridoxine
2.

Pellagra is a vitamin deficiency disease called by a lack of ________. Symptoms of this disease include diarrhea, dermatitis, and dementia.
- A.
  
  Riboflavin
- B.
  
  Thiamine
- C.
  
  Nicotinic Acid
- D.
  
  Pyridoxine
3.

The major symptoms of thiamine deficiency are related to the nervous system, such as sensory disturbances. Also a loss of muscle strength, personality disturbances (depression), poor memory, and heart problems may occur.
- A.
  
  True
- B.
  
  False
4.

The first sign of this a deficiency in this vitamin is a sore throat; later signs include dermatitis. It is found in cow's milk, cheese, whole grains, green vegetables, eggs, and organ meats.
- A.
  
  Riboflavin
- B.
  
  Thiamine
- C.
  
  Nicotinic Acid
- D.
  
  Pyridoxine
5.

A deficiency in vitamin B12 can lead to vitamin B9 deficiency.
- A.
  
  True
- B.
  
  False
6.

This vitamin is found in green leafy vegetables, nuts, yeast products, and liver.
- A.
  
  Vitamin D
- B.
  
  Vitamin B12
- C.
  
  Folic Acid
- D.
  
  Nicotinic Acid
7.

Beriberi is a nervous system ailment caused by a ______ deficiency. In Asia, where polished white rice was the common staple food of the middle class, beriberi resulting from lack of __________ was endemic. Sensory disturbances, loss of muscle strength, heart problems, poor memory, and depression are symptoms of this deficiency.
- A.
  
  Riboflavin
- B.
  
  Thiamine
- C.
  
  Nicotinic Acid
- D.
  
  Vitamin B12
- E.
  
  Folic Acid
8.

Riboflavin is found in high concentrations in breast milk.
- A.
  
  True
- B.
  
  False
9.

Riboflavin functions as one of two co-enzymes: FMN and ____. (three letters)
10.

Nicotinic acid functions in the body (after conversion) to either NAD or ____. Nicotinic acid functions in the body (after conversion) to either NAD or _____. The NAD and _____ function as coenzymes and as oxidants by accepting electrons and hydrogen from substrates and thus becoming reduced. Essential for tissue respiration.
11.

A deficiency in nicotinic acid is referred to as ______.
- A.
  
  Beriberi
- B.
  
  Pernicious anemia
- C.
  
  Pellagra
- D.
  
  Rickets
12.

Pyridoxine is involved in the metabolic transformation of amino acids. Symptoms of deficiency include skin lesions and seizures. A substantial loss of this vitamin occurs during cooking.
- A.
  
  True
- B.
  
  False
13.

________ functions as one of two coenzymes, FAD or FMN. The first sign of deficiency includes a sore throat. A later sign of deficiency includes dermatitis.
- A.
  
  Riboflavin
- B.
  
  Thiamine
- C.
  
  Nicotinic Acid
14.

Vitamin B__ contains cobalt. (it's a number)
15.

This vitamin is involved in the normal function of every cell in the body, including DNA synthesis and regulation. A deficiency in this disease can cause serious and irreversible damage, especially to the brain and nervous system.
- A.
  
  Riboflavin
- B.
  
  Thiamine
- C.
  
  Vitamin B12
- D.
  
  Pyridoxine (B9)
- E.
  
  Vitamin K
16.

Pantothenic acid is complexed to beta-alanine. This derivative is incorporated in coenzyme A. Neuromuscular degeneration and adrenocortical insuffiency are symptoms of a deficiency in pantothenic acid.
- A.
  
  True
- B.
  
  False
17.

Biotin is stable to cooking.
- A.
  
  True
- B.
  
  False
18.

Symptoms of scurvy include: (select all that apply)
- A.
  
  Gingivitis
- B.
  
  Anemia
- C.
  
  Losing of teeth
19.

Which of the following is true regarding vitamin C? (select all that apply)
- A.
  
  Deficiency is known as rickets
- B.
  
  Important in hormone processing
- C.
  
  Important in synthesis of collagen
- D.
  
  Antioxidant
- E.
  
  Helps absorb iron
- F.
  
  A symptom of deficiency includes wound healing failure
- G.
  
  A symptom of deficiency is dermatitis
20.

Which of the following is true regarding Vitamin A? (select all that apply)
- A.
  
  Has an essential role in the function of the retina
- B.
  
  Is a water soluble vitamin
- C.
  
  A symptom of deficiency is night blindness
- D.
  
  A symptom of deficiency is a compromised immune system leading to more infections
21.

Vitamin _ is also known as alpha tocopherol. (hint: it's a letter)
22.

Vitamin C and E are antioxidants.
- A.
  
  True
- B.
  
  False
23.

This vitamin is found in meat and dairy products. If a patient is deficient in this vitamin, fat is stored in muscle.
- A.
  
  Riboflavin
- B.
  
  Choline
- C.
  
  Vitamin E
- D.
  
  Carnitine
24.

Which of the following is true regarding Vitamin E? (select all that apply)
- A.
  
  It is present in seeds, including wheat-germ oil
- B.
  
  Antioxidant
- C.
  
  Water soluble vitamin
- D.
  
  The most active of the tocopherols
- E.
  
  It has been advocated for many diseases including CAD, muscular dystrophy, habitual abortion, and schizophrenia
- F.
  
  Regulates calcium metabolism
25.

The active forms of vitamin D are ergocalciferol (D2) and cholecalciferol (D3), both of which arise in the body from ingested precursors by exposure of the skin to ultraviolet light. Vitamin D primarily regulates calcium metabolism by determining the movement of calcium from the intestines to the blood and from the blood to the bone. It interacts with PTH and ________ in controlling calcium levels.