Pharmacology

Which of the following statements about contents of Ringer’s lactate solution is FALSE?

a) the sodium concentration is 130 mEq/L

B) the potassium concentration is 4mEq/L

C) it contains no calcium

D) although its pH is 6.5, it is an alkalizing solution

What is the fate of lactate ion of Ringer lactate in the body?

A) converted to bicarbonate

B) converted to citric acid

C) remains as lactate

D) excreted completely by kidneys

Which is the odd drug in the group

a) mephentine

B) phenylephrine

C) nitroprusside

D) nor- adrenaline

Chemically Mannitol is a type of

a) sugar

B) amino acid

C) triglyceride

D) globulin

Adenosine is given prior to cardioplegia, immediately after aortic cross clamping for all of the following, EXCEPT,

a) ability to convert SVT to sinus rhythm

B) coronary vasodilator

C) ischemic preconditioning of myocardium

D) reduce inflammatory injury to myocardium

Argatroban is

A) a potassium channel opener

B) a calcium channel blocker

C) an antifibrinolytic agent

D) a heparin substitute

K + concentration in 6% hydroxyethyl starch in Saline is

A) 0.0 meq/L

B) 2.7 meq/L

C) 3.2 meq/L

D) 4.5 meq/L

Losartan is

A) an ACE inhibitor

B) a selective alpha blocker

C) a selective beta blocker

D) an angiotensin receptor blocker

Telmisartan is

A) an ACE inhibitor

B) a selective alpha blocker

C) a selective beta blocker

D) an angiotensin receptor blocker

N- Acetyl cystein is administered preoperatively to a patient planned for CABG, for

A) renal protection

B) bronchodilatation

C) better platelet aggregation

D) improve hemoglobin

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