A. Gamma and beta
B. Epsilon and gamma
C. Alpha and beta
D. Gamma and alpha
Related Mcqs:
- Upper and lower lips are formed from which embryonic processes_____________?
A. Maxillary and mandibular
B. Maxillary and median nasal
C. Maxillary mandibular lateral nasal and median nasal
D. Mandibular and median nasal - Hemoglobin is the major buffer in blood, bicarbonate ions diffuse out of erythrocyte into plasma in exchange of_______________?
A. Potassium
B. Phosphate
C. Carbonic acid
D. Chloride ion - Infants acquire adult hemoglobin level at_____________?
A. Birth
B. End of 1st year
C. Puberty
D. 4 years - The hemoglobin % of a normal newborn is______________?
A. 8
B. 12
C. 10
D. 30 - Hemoglobin has______________?
A. Four polypeptide chains, 2α, 1β,1Υ chain
B. Four heme molecules and four polypeptide chains
C. Four heme molecules, 2α and 2β chains
D. One heme and one globin molecule - What effect does hyperventilation have on the oxygen binding affinity of hemoglobin ?
A. P50 and oxygen affinity decrease
B. P 50 and oxygen affinity increase
C. P 50 decreases and the oxygen affinity increases
D. P50 increase and the oxygen affinity decreases - At PH 7 the binding of 2,3 DPG to hemoglobin occurs at which site ?
A. Sulphydryl group
B. Carboxy terminal
C. Amino terminal
D. Histidine - Which of the following is correct about breakdown of hemoglobin (Hb)_____________?
A. Hb→Heme→bilirubin→Urobilinogen
B. Heme→Hb→Biliverdin→Urobilinogen
C. Hb→Heme→Bilverdin→Uro bilinogen
D. Hb→Heme→bilirubin→Urobilinogen→Biliverdin - Which of the following is not a part of hemoglobin molecule___________?
A. Pyrrole rings
B. Vinyl groups
C. Histidine
D. Ferric ions - A patient reports with dyspnoea on slight exertion. He also has multiple petechial spots and spontaneous hemorrhage. His RBC count is less than one lakh/mm3 His hematocrit and hemoglobin is low. Most probable diagnosis is______________?
A. Pernicious anemia
B. Thalassemia
C. Aplastic anemia
D. Sprue
