IGCSE Biology Paper-3: Specimen Questions with Answers 346 - 348 of 358
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Passage
Excretion is the process of removing waste products of metabolism from the body.
Question 346 (3 of 7 Based on Passage)
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Short Answer▾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 347 (4 of 7 Based on Passage)
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Short Answer▾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.
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