In sickle cell anaemia there is_____________?

Correct answer: B. 75 to 100% haemoglobins

  • A. 10 to 20% haemoglobins
  • B. 75 to 100% haemoglobins
  • C. 20 to 30% haemoglobins
  • D. 50 to 60% haemoglobins

Explanation

In sickle-cell anemia, HbS usually accounts for about 75 to 100% of hemoglobin, with little or no HbA because both beta-globin genes produce the sickle variant. The lower percentages are not typical of homozygous disease.

Submitted by a TestUstad contributor and published by the TestUstad editorial teamLast updated
Report an error

The more specific you are, the faster it gets fixed. A source beats an opinion.

Prefer email? [email protected]

Practise Haematology

62 free Haematology MCQs from Pathology, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Discussion

Stuck on an option, or know a faster way to get there? Ask or explain it here.

No comments yet. Be the first to explain this one.

Exams that ask Pathology questions like this

Pathology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

More Haematology questions