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BCHM 551 Liberty University Biochemistry and MTHFR Deficiency Quiz 6

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Biology
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Liberty University
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Quiz 6
Liberty University
BCHM 551
Biochemistry
Question 1
1 out of 1 points
Which of these patients will benefit from a restricted folate intake/supplementation?
Selected Answer:
A patient with cancer
Question 2
1 out of 1 points
Elevated plasma propionic acid levels may result from these conditions except;
Selected Answer:
MTHFR deficiency
Question 3
1 out of 1 points
Sulfamethoxazole is a structural analogue of para-Aminobenzoic acid (PABA), this
drug can impair eukaryotic DNA synthesis by diminishing the availability of;
Selected Answer:
THF
Question 4
1 out of 1 points
The type of atrophic gastritis that is characterized by megaloblastic anemia,
histamine-fast achlorhydria and antibodies against the intrinsic factor is;
Selected Answer:
Pernicious anemia
Question 5
1 out of 1 points
You are designing a nutritional plan for a patient that has been recently diagnosed
with biotin holocarboxylase deficiency. A rich nutritional source of biotin to include in
his meal plan is;
Selected Answer:
Question 6
1 out of 1 points
A patient with multiple carboxylase deficiency will benefit from a dietary restriction of
these amino acids except _____ ?
Selected Answer:
Serine
Question 7
1 out of 1 points
Which of these pathways does not commonly utilize succinyl-CoA?

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Selected Answer:
Pentose phosphate pathway
Question 8
1 out of 1 points
A deficiency of Vitamin B2 will have no effect on the catalytic function of this enzyme;
Selected Answer:
Isocitrate dehydrogenase
Question 9
1 out of 1 points
In a patient with biotin holocaboxylase synthetase deficiency, which of these amino
acids could be significantly elevated?
Selected Answer:
Glycine
Question 10
1 out of 1 points
A 25 year old running back for the Liberty flames football team has been
experiencing excruciating pain in both of his knee joints for about 6 months. On
arthroscopy, the surgeon excises cartilage pieces that had black pigments in them
and diagnosed him with ochronotic arthritis. This patient will also have elevated
plasma levels of ;
Selected Answer:
Homogentisic acid
Question 11
1 out of 1 points
You have just got the lab results of a new patient of yours and it shows a elevation of
her serum homocysteine level, which of these is least likely to be associated with
increased serum homocysteine level?
Selected Answer:
Liver disease
Question 12
1 out of 1 points
A 75 year old lady who lives in a retirement home is noted to be exhibiting an
unusual forgetfulness and loss of sensation in her feet. Her complete blood count
reveals hypersegmented neutrophils, elevated mean cell volume (MCV) and
homocysteine. Which of these metabolites in the patient’s urinary sample will confirm
Vitamin B12 deficiency?
Selected Answer:
Methylmalonate
Question 13
1 out of 1 points
A patient with biotin deficiency will have a significant depression of fatty acid
biosynthesis because of a decreased activity of this enzyme?
Selected Answer:
Acetyl-CoA carboxylase
Question 14
1 out of 1 points
Biotin plays a role in which of these cellular processes;

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Quiz 6 Liberty University BCHM 551 Biochemistry • Question 1 1 out of 1 points Which of these patients will benefit from a restricted folate intake/supplementation? Selected Answer: • A patient with cancer Question 2 1 out of 1 points Elevated plasma propionic acid levels may result from these conditions except; Selected Answer: • MTHFR deficiency Question 3 1 out of 1 points Sulfamethoxazole is a structural analogue of para-Aminobenzoic acid (PABA), this drug can impair eukaryotic DNA synthesis by diminishing the availability of; Selected Answer: • THF Question 4 1 out of 1 points The type of atrophic gastritis that is characterized by megaloblastic anemia, histamine-fast achlorhydria and antibodies against the intrinsic factor is; Selected Answer: • Pernicious anemia Question 5 1 out of 1 points You are designing a nutritional plan for a patient that has been recently diagnosed with biotin holocarboxylase deficiency. A rich nutritional source of biotin to include in his meal plan is; Selected Answer: • All of the above Question 6 1 out of 1 points A patient with multiple carboxylase deficiency will benefit from a dietary restriction of these amino acids except _____ ? Selected Answer: • Serine Question 7 Which of these pathways does not commonly utilize succinyl-CoA? 1 out of 1 points Selected Answer: • Pentose phosphate pathway Question 8 1 out of 1 points A deficiency of Vitamin B2 will have no effect on the catalytic ...
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