IGCSE Biology Paper-3: Specimen Questions with Answers 348 - 350 of 358

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Passage

Excretion is the process of removing waste products of metabolism from the body.

Question 348 (5 of 7 Based on Passage)

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Short Answer▾

Some people with kidney failure are given a kidney transplant.

State one advantage and one disadvantage of having a kidney transplant instead of dialysis treatment.

advantage …

disadvantage …

Explanation

Advantage of Kidney Transplant

  • No more dialysis treatments
  • More “normal” kidney function
  • Higher chance of living a longer life
  • Less restrictions on diet and fluids
  • More freedom

Disadvantage of Kidney Transplant

  • Requires major surgery with possible risks related to surgery
  • Must take anti-rejection medicines for rest of life or life of kidney
  • Higher risk for infection from these medicines
  • Risk of rejection with loss of kidney function/return to dialysis

Question 349 (6 of 7 Based on Passage)

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The liver is another excretory organ of the body. The liver breaks down hormones and drugs, such as alcohol.

Describe two effects on the body of long-term, excessive consumption of alcohol.

Explanation

Effects of Long-Term Alcohol Consumption Include

  • fatty liver (steatosis)
  • inflammation of the liver (hepatitis)
  • acute alcoholic hepatitis
  • scarring of the liver (cirrhosis)
  • liver failure and death

Question 350 (7 of 7 Based on Passage)

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The liver is another excretory organ of the body. The liver breaks down hormones and drugs, such as alcohol.

Suggest one social implication of alcohol misuse.

Explanation

It is commonly believed that excessive alcohol intake plays a role in decreased worker productivity, increased unintentional injuries, aggression and violence against others, and child and spouse abuse.

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