Hemorrhage and shock mcqs

HAEMORRHAGE

1). The sequence of events in hemostasis is

     a) Clot formation, retraction of clot, constriction of vessel wall and platelet plug      formation.

     b) Constriction of vessel wall, platelet plug formation, clot formation, retraction of clot.

     c) Constriction of the vessel wall, clot formation, platelet plug formation, retraction of clot.

     d) None of the above.

ANS:B.

   2). The contact phase and extrinsic pathway of coagulation respectively is screened by

       a) BT & PTT.

       b) BT & CT.

    c) CT & PTT.

    d) PTT &PT

ANS: D

3). The sequence of events in hemostasis is

     a) Clot formation, retraction of clot, constriction of vessel wall and platelet plug      formation.

     b) Constriction of vessel wall, platelet plug formation, clot formation, retraction of clot.

     c) Constriction of the vessel wall, clot formation, platelet plug formation, retraction of clot.

     d) None of the above.

ANS: D.

4). During ligature of external carotid artery in carotid triangle, bleeding from all the    stops except

     a) Superficial temporal artery.

     b) Superior thyroid artery.

     c) Ascending pharyngeal artery.

     d) Occipital artery.

ANS: B.

5). Management of patients of Haemophilia A having antibodies to factor VIII (Ig-G inhibitor) is done by all of the following except

      a) Systemic EACA and traneseamic acid.

      b) infusion of porcine factor VIII>

      c) Plasmapheresis.

      d) Desmopressin.

ANS: A.

6). For patients on ora anticoagulants one of the following is a good test for hemostatic mechanism efficacy

     a) Stoppage of oral anticoagulants.

     b) Minor oral surgical procedures.

     c) Tooth extraction.

     d) Pt. shifted to heparin.

ANS: C.

SHOCK

1). Shock is depressed state of vital functions due to inadequate tissue perfusion of vital organs due to inefficient

     a) Arteriolar circulation.

     b) Capillary circulation.

     c) Venular circulation.

     d) All of the above.

ANS: D.

2). Oligaemic shock proceeds in the following events if not treated early

     a) Renal conservation of blood volume- reinforcement of total blood volume-adrenergic discharge- organ failure of shock- cardiac arrest.

      b) Adrenergic discharge, renal conservation of blood volume, reinforcement of total blood volume, organ failure of shock, cardiac arrest.

      c) Adrenergic discharge, reinforcement of total blood volume, renal conservation of blood volume, organ failure of shock, cardiac arrest.

      d) none of the above.

ANS: C.

3). In the management of haematogenic shock in replacement of blood loss, RBC’s serve important physiologic functions because

      a) Being the largest molecule in fluid.

      b) Provide high osmolarity

      c) Prevent extravascular escape of fluid which is transfused.

      d) All of the above.

ANS: D.

4). When colloid fluid is transfused the last preferred fluid is

       a) Human albumin solution.

       b) Lactated ringer solution.

       c) Fresh frozen plasma.

       d) Hydroxyethyl starch.

ANS: C.

5). Chances of gram negative shock are increased after the procedures or conditions like

      a) After tracheostomy.

b) Monitoring catheter placed for prolonged time.

c) Septic abortion.

d) All of the above.

ANS: D.