Oxygen affinity decreases in_________________?

Related Mcqs:

1. 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...

2. Oxygen affinity is increased by all except_________________?

   A. Alkalosis B. Hypoxia C. Increased HbF D. Hypothermia...

3. 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...

4. T- lymphocytes play a primary role in_________________?

   A. Production of Antibodies B. production of lymphokines and delayed hypersensitivity C. Activation of complement system D. Immediate Hypersensitivity...

5. Which hormone is released when serum calcium decreases ?

   A. Parathormone B. Calcitonin C. Thyroxine D. Adrenaline...

6. Oxygen dissociation curve shifts to the right by all of the following except_____________?

   A. Rise in temperature B. Rise in carbon dioxide tension C. Rise in pH D. Rise in H+ ion...

7. Increase in partial pressure of CO2 leading to release of oxygen to the tissues is________________?

   A. Haldane effect B. Bohr effect C. Breur effect D. Hamburger effect...

8. Oxygen as an emergency drug is contraindicated in______________?

   A. Anaphylaxis B. Asthma C. Hyperventilation D. COPD...

9. Inability of exchange of oxygen through lung tissue if known as____________?

   A. Anoxic anoxia B. Anoxia C. Histotoxic hypoxia D. Ischemic hypoxia...

10. Oxygen dissociation cure is shifted to the right in all except_____________?

    A. Fall in pH B. Rise in temperature C. Increase of 2, 3 3 DPG D. HbF...