Biology 5090 · O Level · Absorption and assimilation

Absorption and assimilation — practice question

In a person with coeliac disease, the villi in the ileum are flattened. If someone with coeliac disease consumes the same amounts and kinds of food as a person without the disease, the concentrations of glucose and amino acids in the hepatic portal vein will be lower. Which row gives the correct explanation?

  • Acapillaries do not absorb the glucose molecules: yes; the surface area of the ileum is reduced: yes
  • Bcapillaries do not absorb the glucose molecules: yes; the surface area of the ileum is reduced: no
  • Ccapillaries do not absorb the glucose molecules: no; the surface area of the ileum is reduced: yes
  • Dcapillaries do not absorb the glucose molecules: no; the surface area of the ileum is reduced: no

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