Quick Biochemistry - Vitamins (Section 8)
1
What substance does Gammaxine interact with as an antimetabolite?
2
A lack of pyridoxine can cause seizures because it is essential for the production of
3
Which of the following compounds do sulfa drugs act against as antimetabolites?
4
What abnormal metabolite is linked to the neurological symptoms of pernicious anemia?
5
Choline is not needed in the creation of
6
Treatment with Isonicotinic acid hydrazide for tuberculosis can result in a shortage of
7
Which of the following is a steroidal prohormone?
8
What medical condition is caused by a folate deficiency?
9
A lack of iron results in which of the following?
Answer(D)
Hypochromic microcytic anemia
10
Which vitamin is a corrinoid coenzyme?
11
What are the initial binding proteins for Vitamin B₁₂ called?
12
Which of the following is considered the extrinsic factor in Castle's intrinsic factor?
13
What is the name of the intrinsic factor in Castle's intrinsic factor?
14
What is the most fitting synonym for the term 'pernicious'?
15
What is essential for reducing D-ribonucleotides to D-deoxy ribonucleotides in prokaryotes?
Answer(A)
5, 6 dimethyl benzimindazole cobamide
16
Which vitamin is known for its role in preventing or treating rickets?
17
Which vitamin deficiency is most closely associated with angular stomatitis?
18
Vitamin K primarily functions as a cofactor for which process?
Answer(A)
Carboxylase for the formation of y-carboxy glûtamate
19
Which substance, when administered, extends prothrombin time?
20
Which vitamin is known for its antioxidant properties?
21
Which vitamin is easily degraded by light?
22
A significant lack of which nutrient is linked to convulsive episodes?
23
Increased calcium deposits in tissues is a characteristic of excessive intake of which vitamin?
24
Which substance counteracts the effects of para-aminobenzoic acid?
25
What condition is associated with a severe lack of pantothenic acid in humans?
26
From which substance is Vitamin D produced?
27
Which vitamin acts as a strong protector against oxidative damage, supporting Vitamin A?
28
In individuals with kidney-related bone softening, which step in Vitamin D processing is impaired?
29
Which of the following compounds does NOT contain phosphorus?
30
What vitamin is found in rice-polishings?
31
In what condition does a buildup in the blood of a certain acid related to carbohydrate metabolism occur?
32
Which of the following are characteristics of pellagra?
Answer(D)
Diarrhea, Dermatitis and dementia
33
A deficiency of pyridoxine is most likely to cause which type of anemia?
Answer(C)
Hypochromic microcytic anemia
34
What is a notable eye condition associated with riboflavin deficiency?
Answer(C)
Vascularisation of the cornea
35
Which substance is known to interfere with the function of folic acid?
36
Which chemical class does thiamine belong to?
37
What substance acts as an antagonist to para-aminobenzoic acid?
38
Which of the listed B vitamins contains sulfur in its molecular structure?
39
Which of the following medical conditions might present with taurinuria?
40
Which set of three vitamins plays a crucial role in maintaining healthy nerve function?
Answer(D)
Thiamine, Pyridoxin, Vitamin B12
41
Which food is a significant provider of Vitamin C?
42
Which of these vitamins assists enzymes in transamination reactions?
43
A lack of which vitamin is associated with methylmalonic aciduria?
44
Individuals with pernicious anemia may have elevated levels of what substance in their urine?
45
Which vitamin plays a role in fertility?
46
Which of the following is NOT a common symptom of biotin deficiency?
47
A lack of thiamine can cause which of the following conditions?
48
A lack of Vitamin D contributes to which of the following conditions?
49
Which vitamin has shown potential benefits in the fight against cancer?
50
Excessive intake of Vitamin A can cause damage to which cellular structure?
