2nd Year Chemistry Chapter 21 Test21. Medicine

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. Which compound contributes to inflammation, pain, and fever?
   1. Prostaglandins
   2. Lipids
   3. Hormones
   4. Dopamine
2. Which enzyme functions optimally in the acidic environment of the stomach?
   1. Amylase
   2. Trypsin
   3. Pepsin
   4. Lipase
3. Reverse transcriptase inhibitors are used mainly against:
   1. Fungal infections
   2. HIV and retroviruses
   3. Bacterial pneumonia
   4. Malaria
4. Why can’t antibiotics treat viral infections effectively?
   1. Viruses mutate slowly
   2. Viruses have thick cell walls
   3. Viruses lack cell walls and metabolic pathways
   4. Antibiotics are too weak
5. Which of the following patient characteristics can influence drug absorption and metabolism?
   1. Weight and age
   2. Food color
   3. Dosage form only
   4. Storage conditions
6. The stomach’s pH affects drug metabolism by:
   1. Preventing absorption of all drugs
   2. Changing their chemical structure
   3. Affecting the formation of active metabolites
   4. Making all drugs inactive permanently
7. Endorphins are best described as:
   1. Artificial pain relievers
   2. Naturally occurring hormones
   3. Digestive enzymes
   4. Neurotoxins
8. Activation of kappa receptors may cause:
   1. Memory loss
   2. Dysphoria and hallucinations
   3. Diabetes
   4. Hypertension
9. How does acid rain affect soil pH?
   1. Increases soil pH
   2. Decreases soil pH
   3. Does not affect soil pH
   4. Depends on the type of soil
10. The therapeutic window is also known as:
    1. Minimum effective dose
    2. Toxic dose range
    3. Therapeutic range
    4. Half-life