تويت
1- Sickle cell hemoglobin (HbS) has 2 normal alpha chains and 2 beta chains with sickle
cell variant. What point mutation occurs in these individuals at position 6 of the beta chain?
a) Gly to Val
b) Val to Phe
c) Glu to Gly
d) Ser to Asn
e) Glu to Val
2- How do red blood cells generate energy?
a) Oxidation of carbohydrate, fat, protein, and alcohol
b) Aerobic metabolism of glucose into pyruvate
c) Breakdown of glucose via glucose decarboxylase
d) Anaerobic metabolism of glucose to lactic acid
e) Oxidative phosphorylation
3- Damage to the duodenum, preventing nutrient absorption, would cause which of the following forms of anemia?
a) Deficiency of iron
b) Deficiency of folic acid
c) Deficiency of vitamin B12
d) Deficiency of pyruvate kinase
e) Deficiency of G6PD
4- Damage to the ileum, preventing nutrient absorption, would cause which of the following forms of anemia?
a) Deficiency of iron
b) Deficiency of folic acid
c) Deficiency of vitamin B12
d) Deficiency of pyruvate kinase
e) Deficiency of G6PD
5- Damage to the jejunum, preventing nutrient absorption, would cause which of the following forms of anemia?
a) Deficiency of iron
b) Deficiency of folic acid
c) Deficiency of vitamin B12
d) Deficiency of pyruvate kinase
e) Deficiency of G6PD
cell variant. What point mutation occurs in these individuals at position 6 of the beta chain?
a) Gly to Val
b) Val to Phe
c) Glu to Gly
d) Ser to Asn
e) Glu to Val
2- How do red blood cells generate energy?
a) Oxidation of carbohydrate, fat, protein, and alcohol
b) Aerobic metabolism of glucose into pyruvate
c) Breakdown of glucose via glucose decarboxylase
d) Anaerobic metabolism of glucose to lactic acid
e) Oxidative phosphorylation
3- Damage to the duodenum, preventing nutrient absorption, would cause which of the following forms of anemia?
a) Deficiency of iron
b) Deficiency of folic acid
c) Deficiency of vitamin B12
d) Deficiency of pyruvate kinase
e) Deficiency of G6PD
4- Damage to the ileum, preventing nutrient absorption, would cause which of the following forms of anemia?
a) Deficiency of iron
b) Deficiency of folic acid
c) Deficiency of vitamin B12
d) Deficiency of pyruvate kinase
e) Deficiency of G6PD
5- Damage to the jejunum, preventing nutrient absorption, would cause which of the following forms of anemia?
a) Deficiency of iron
b) Deficiency of folic acid
c) Deficiency of vitamin B12
d) Deficiency of pyruvate kinase
e) Deficiency of G6PD
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