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Kyk na die volgende diagram van ‘n neutrale atoom en beantwoord die vrae:      Regterklik op die blou blokkie en maak die diagram in ‘n nuwe “tab” oop   4.1 Hoeveel deeltjies is in die atoom: (2)   A)   Elektrone?      [1]     B)   Protone?         [2]   

1.6 Die maatstaf van hoeveel massa van ‘n materiaal in ‘n gegewe volume pas (1)

Algemene instruksies: 1. Beantwoord ALLE VRAE. 2. Lees noukeurig deur jou vraag voordat jy begin antwoord. 3. STERKTE!

The presence of hemoglobinuria, hemosiderinuria, and hemoglobinemia indicate that hemolysis is:   

Paroxysmal nocturnal hemoglobinuria has a high degree of association with which disorders?

A 2 month old patient presents with extreme lethargy, poor cognitive development, and an overall failure to thrive.  What organ would you suspect is affected? 

A differential on a patient has a lower than normal neutrophil count (neutropenia).  Bone marrow results indicate a low M:E ratio and a low BM cellularity on this patient.  What can you conclude from these findings? 

A patient is admitted with a hemoglobin of 6.2 g/dl.  Patient is transfused 4 units of type specific packed red blood cells.  After patient history and demographics is determined, the physician wants a sickle solubility and hemoglobin electrophoresis performed on this patient.  What effect will the recent transfusion have on the patient results? 

Match the error to the expected outcome.  What effect will the following have on the outcome of the sickle solubility test result? 

Spectrin is an example of what type of protein and a defect in it is seen in which condition?