Sickle Cell Anemia
About the Lecture
The lecture Sickle Cell Anemia by Kevin Ahern, PhD is from the course Amino Acid Metabolism.
Included Quiz Questions
Which of the following is true regarding sickle cell anemia?
- The complications arise from sickled red blood cells getting stuck in capillaries.
- The sickling of blood cells occurs upon the binding of oxygen.
- The homozygous form of the disease provides the best protection against malaria.
- The sickled cells are removed from the circulation by the liver.
- Sickled cells move through capillaries easier than normal cells.
What mutation in the hemoglobin protein causes the most common form of sickle cell anemia?
- The normal glutamic acid present at the 6th position is replaced by valine.
- The normal valine present at the 6th position is replaced by glutamic acid.
- The normal valine present at the 16th position is replaced by glutamic acid.
- The normal glutamic acid present at the 16th position is replaced by valine.
- The normal glutamic acid present at the 60th position is replaced by valine.
What is the cause of sickling in sickle cell disease?
- Polymeric hemoglobin at low oxygen concentrations
- Monomeric hemoglobin at low oxygen concentrations
- Trimeric hemoglobin at high oxygen concentrations
- Dimeric hemoglobin at high oxygen concentrations
- Polymeric hemoglobin at high oxygen concentrations
What region of the world is it advantageous to have a copy of the sickle cell gene?
- Malaria-prevalent regions of the world
- HIV-prevalent regions of the world
- Jaundice-prevalent regions of the world
- Hepatitis-prevalent regions of the world
- Cryptosporidiosis-prevalent regions of the world
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Author of lecture Sickle Cell Anemia
Kevin Ahern, PhD
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awesome
By Noel C. on 06. August 2017 for Sickle Cell Anemia
he is so good ... I am very thankful to you sir !!
