1. The Allen's test is performed before drawing blood for
    A. CBC
    B. Arterial blood gas
    C. Coagulation studies
    D. Blood typing                

2. Acute emesis leads to
    A. Respiratory acidosis
    B. Metabolic acidosis
    C. Respiratory alkalosis
    D. Metabolic alkalosis        

3. Chronic hyperemesis such as Hyperemesis gravidarum is 
    characterized by severe dehydration and
    A. Respiratory acidosis
    B. Metabolic acidosis
    C. Respiratory alkalosis
    D. Metabolic alkalosis       

4. In metabolic acidosis there is a deficit of
    A. H+ 
    B. Na+ 
    C. Bicarbonate 
    D. NaCl                            

5. Excess pCO2 leads to
    A. metabolic acidosis 
    B. respiratory acidosis
    C. respiratory alkalosis 
    D. metabolic alkalosis       

6. Pure respiratory acidosis means
    A. non-compensated respiratory acidosis 
    B. well compensated respiratory acidosis
    C. non-compensated metabolic acidosis
    A. compensated metabolic alkalosis    

7. The following are buffer systems in the body EXCEPT
    A. hemoglobin (Hgb) 
    B. Carbonic acid /Bicarbonate system
    C. Plasma proteins 
    D. Hyperventilation 
    E. Phosphate buffer system                    

8. The function of an enzyme is most likely to depend on
    A. the time of the day 
    B. whether or not the person had breakfast
    C. the pH of the blood 
    D.blood pressure                                   

9. Acute salicylism (Acetyl salicylic acid) results in
    A. Mixed metabolic acidosis and respiratory alkalosis
    B. Respiratory acidosis
    C. metabolic alkalosis
    D. metabolic acidosis only                         

10. During metabolic acidosis, there is compensatory 
     respiratory mechanisms if the rate of respiration goes
    A. up        
     B. down      
    C. stays the same
    D . varies up and down  

11. In metabolic acidosis, as a compensatory mechanism, the pH of the urine goes
    A. up       
    B. down       
    C. stays the same 
    D. varies up and down 

12. Before drawing blood for an arterial blood gas, one must
    A. obtain vital signs 
    B. perform Allen’s test
    C. identify factors that may affect the accuracy of the test
    D. all the above                                          

13. Which one of the following conditions is more likely to induce respiratory acidosis
    A. Guillain-Barré syndrome 
    B. hypertension
    C. Glomerulonephritis 
    D. tonsillitis                                        

14. Bicarbonate infusion is recommended only in very serious cases,
      consequently one can conclude that the margin of safety of bicarbonate infusion is
     A. small 
     B. large 
     C. unknown 
     D. not so important                             

15. Hypokalemia is associated with
     A. metabolic alkalosis 
     B. metabolic acidosis
     C. respiratory acidosis 
     D. respiratory alkalosis