PRELIM HEMA LEC METABOLIC PATHWAYS & RBC MEMBRANE PRACTICE QUIZ

This is a layer of Carbohydrate whose negative charge prevents microbial attacks and mechanical damage due to adhesion to neighboring cells

• Lipid bilayer

• Glycocalyx

• Spectrin

• Ankyrin

• Cholesterol

Which of the following Cluster of Differentiation proteins is absent inside RBCs, causing Paroxysmal Nocturnal Hemoglobinuria

• CD59

• CD28

• CD45

• CD32

• CD12

What type of iron is found inside RBCs?

• Ferrous

• Ferric

• Ferritin

• Ferrocyanide

• None of the Choices

What is the final product of the Embden-Meyerhof-Pamas Pathway?

• Adenosine-5'-Triphosphate

• Pyruvic Acid

• Glucose

• Phosphoenolpyruvate

• Amino Acids

What is the ratio of the mass of Cholesterol and Phospholipids in the cell membrane of RBCs?

• 1:1

• 2:1

• 3:1

• 4:1

• 5:1

What class of G-6-PD variant is affected by the intake of Fava Beans?

• 1. Class I

• Class II

• Class III

• Class IV

• 1. Class V

Which organelle of mature RBCs is responsible for the production of energy?

• Mitochondria

• Endoplasmic Reticulum

• Golgi apparatus

• Nucleus

• None of the choices

This protein functions to transport negatively charged sialic acid

• Glycophorin

• Glut-1

• 1. Band 3

• ICAM-4

• RhAG

If the Hexose Monophosphate shunt is defective, what is formed initially inside the RBC?

• G-6-PD

• Biscuit cells

• Heinz Bodies

• None of the choices

What pathway created the molecule that binds to Hemoglobin to decrease oxygen affinity?

• Embden-Meyerhof-Pamas Pathway

• Rapaport-Leubering Pathway

• Hexose Monophosphate Pathway

• Methemoglobin Reductase Pathway