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
Related Mcqs:
- Which of the following does not stimulate alveolar hyperventilation ?
A. Hypoxia
B. Hypercapnia
C. Acidosis
D. Stretching of airways - 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 - Oxygen affinity is increased by all except_________________?
A. Alkalosis
B. Hypoxia
C. Increased HbF
D. Hypothermia - Oxygen affinity decreases in_________________?
A. Hypoxia
B. Hypothermia
C. HbF
D. Increased pH - 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 - Embryonic hemoglobin is composed of________________?
A. Gamma and beta
B. Epsilon and gamma
C. Alpha and beta
D. Gamma and alpha - 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 - The drug which has an affinity for a receptor site and produces the intrinsic activity of the receptor cell or enzyme system is known as____________?
A. An agonist
B. A non competitive antagonist
C. A physiologic antagonist
D. A competitive antagonist
