Biology
Grade-10
Easy
Question
Which of the following is NOT a symptom of Marfan syndrome?
Thinness
Pigmentation
Limb elongation
Lens dislocation
Thinness
Pigmentation
Limb elongation
Lens dislocation
Hint:
Pigmentation
The correct answer is: Pigmentation
People with Marfan syndrome are usually tall and thin with unusually long arms, legs, fingers and toes.
Pigmentation is caused due to:
Hormone changes, such as during puberty or pregnancy.
Injury to the skin (for example, acne, cuts or burns), which is sometimes called postinflammatory hyperpigmentation.
Medications, such as oral contraceptives (birth control pills) and drugs that cause sensitivity to light.
Melasma.
Not getting enough of certain vitamins, such as B12 and folic acid.
Sun damage (these spots are often called solar lentigines).
Thyroid disorders.
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