81. Which of the following drugs is used as an immunosuppressant to prevent organ transplant rejection?
- A. Cyclosporine
- B. Paracetamol
- C. Ibuprofen
- D. Aspirin
Answer: A. Cyclosporine
Explanation:
Cyclosporine is an immunosuppressant drug used to prevent the immune system from rejecting transplanted organs. Paracetamol, ibuprofen, and aspirin are used for pain relief but are not immunosuppressants.
82. Which of the following food additives is used as a flavoring agent in candies?
- A. Citric acid
- B. Sodium benzoate
- C. Aspartame
- D. Sorbic acid
Answer: A. Citric acid
Explanation:
Citric acid is used as a flavoring agent in candies to provide a sour taste. Sodium benzoate and sorbic acid are preservatives, while aspartame is a sweetener.
83. Which of the following drugs is used to relieve symptoms of acid reflux?
- A. Omeprazole
- B. Aspirin
- C. Ibuprofen
- D. Paracetamol
Answer: A. Omeprazole
Explanation:
Omeprazole is a proton pump inhibitor (PPI) used to reduce stomach acid production and treat conditions like acid reflux. Aspirin, ibuprofen, and paracetamol are used for pain relief but do not address acid reflux.
84. Which of the following detergents is commonly used in shampoos for its foaming properties?
- A. Sodium lauryl sulfate
- B. Glycerol
- C. Polyethylene glycol
- D. Sodium chloride
Answer: A. Sodium lauryl sulfate
Explanation:
Sodium lauryl sulfate is a surfactant used in shampoos for its ability to create foam and remove oils from hair. Glycerol is a moisturizer, polyethylene glycol is a non-ionic surfactant, and sodium chloride is salt.
85. Which of the following drugs is used to treat insomnia (sleep disorders)?
- A. Zolpidem
- B. Paracetamol
- C. Ibuprofen
- D. Aspirin
Answer: A. Zolpidem
Explanation:
Zolpidem is a sedative-hypnotic drug used to treat insomnia by helping people fall asleep. Paracetamol, ibuprofen, and aspirin are pain relievers.
86. Which of the following is used as a bulking agent in low-calorie foods?
- A. Cellulose
- B. Sodium chloride
- C. Glucose
- D. Fructose
Answer: A. Cellulose
Explanation:
Cellulose is used as a bulking agent in low-calorie foods because it provides texture without adding calories. Sodium chloride is salt, glucose and fructose are sugars.
87. Which of the following is a drug used to treat malaria?
- A. Chloroquine
- B. Aspirin
- C. Ibuprofen
- D. Paracetamol
Answer: A. Chloroquine
Explanation:
Chloroquine is an antimalarial drug used to prevent and treat malaria. Aspirin, ibuprofen, and paracetamol are used for pain relief but are not effective against malaria.
88. Which of the following food additives is used as a humectant to retain moisture?
- A. Glycerol
- B. Aspartame
- C. Sodium benzoate
- D. Sorbic acid
Answer: A. Glycerol
Explanation:
Glycerol is used as a humectant in food products to retain moisture and improve texture. Aspartame is a sweetener, sodium benzoate is a preservative, and sorbic acid is also a preservative.
89. Which of the following drugs is used as an anti-epileptic to control seizures?
- A. Phenytoin
- B. Paracetamol
- C. Aspirin
- D. Ibuprofen
Answer: A. Phenytoin
Explanation:
Phenytoin is an anti-epileptic drug used to control seizures in patients with epilepsy. Paracetamol, aspirin, and ibuprofen are pain relievers but are not effective in treating epilepsy.
90. Which of the following detergents is used as a surfactant in laundry powders?
- A. Sodium dodecyl sulfate
- B. Polyethylene glycol
- C. Sodium chloride
- D. Glycerol
Answer: A. Sodium dodecyl sulfate
Explanation:
Sodium dodecyl sulfate is a surfactant commonly used in laundry powders to help remove dirt and grease. Polyethylene glycol is a non-ionic surfactant, sodium chloride is salt, and glycerol is a moisturizer.
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