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Advanced Pharmacology Fundamentals
1. The process by which a drug moves from the site of administration into the bloodstream is
called:
• A. Distribution
• B. Absorption
• C. Metabolism
• D. Excretion
Answer: B
2. Which organ is the primary site of drug metabolism?
• A. Kidneys
• B. Liver
• C. Lungs
• D. Intestines
Answer: B
3. The term *first-pass effect* refers to:
• A. Initial renal clearance of a drug
• B. Drug metabolism in the liver before reaching systemic circulation
• C. Distribution of drug to fatty tissues
• D. The first dose response of a drug
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Answer: B
4. A drug with high lipid solubility is expected to:
• A. Cross cell membranes easily
• B. Be poorly absorbed
• C. Be rapidly excreted unchanged
• D. Have low bioavailability
Answer: A
5. The time taken for plasma concentration of a drug to reduce by 50% is known as:
• A. Clearance
• B. Bioavailability
• C. Half-life
• D. Steady state
Answer: C
6. The maximum effect a drug can produce is called:
• A. Potency
• B. Efficacy
• C. Affinity
• D. Selectivity
Answer: B
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7. A partial agonist:
• A. Produces the same effect as a full agonist
• B. Produces submaximal effect even at full receptor occupancy
• C. Blocks the action of the agonist
• D. Has no intrinsic activity
Answer: B
8. Competitive antagonists shift the dose-response curve:
• A. Upward
• B. Downward
• C. To the right
• D. To the left
Answer: C
9. The therapeutic index (TI) of a drug is calculated as:
• A. LD50 / ED50
• B. ED50 / LD50
• C. ED95 / ED50
• D. EC50 / ED50
Answer: A
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10. A drug with a narrow therapeutic index means:
• A. It is very safe
• B. Small changes in dose may lead to toxicity
• C. It has low efficacy
• D. It is rapidly metabolized
Answer: B
11. Beta-1 adrenergic receptors are mainly located in:
• A. Bronchi
• B. Heart
• C. Bladder
• D. Liver
Answer: B
12. Which drug is a muscarinic antagonist?
• A. Atropine
• B. Pilocarpine
• C. Neostigmine
• D. Bethanechol
Answer: A
13. An adrenergic agonist used in anaphylaxis is:
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Advanced Pharmacology Fundamentals
1. The process by which a drug moves from the site of administration into the bloodstream is
called:
• A. Distribution
• B. Absorption
• C. Metabolism
• D. Excretion
Answer: B
2. Which organ is the primary site of drug metabolism?
• A. Kidneys
• B. Liver
• C. Lungs
• D. Intestines
Answer: B
3. The term *first-pass effect* refers to:
• A. Initial renal clearance of a drug
• B. Drug metabolism in the liver before reaching systemic circulation
• C. Distribution of drug to fatty tissues
• D. The first dose response of a drug
, lOMoARcPSD| 63525276
Answer: B
4. A drug with high lipid solubility is expected to:
• A. Cross cell membranes easily
• B. Be poorly absorbed
• C. Be rapidly excreted unchanged
• D. Have low bioavailability
Answer: A
5. The time taken for plasma concentration of a drug to reduce by 50% is known as:
• A. Clearance
• B. Bioavailability
• C. Half-life
• D. Steady state
Answer: C
6. The maximum effect a drug can produce is called:
• A. Potency
• B. Efficacy
• C. Affinity
• D. Selectivity
Answer: B
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7. A partial agonist:
• A. Produces the same effect as a full agonist
• B. Produces submaximal effect even at full receptor occupancy
• C. Blocks the action of the agonist
• D. Has no intrinsic activity
Answer: B
8. Competitive antagonists shift the dose-response curve:
• A. Upward
• B. Downward
• C. To the right
• D. To the left
Answer: C
9. The therapeutic index (TI) of a drug is calculated as:
• A. LD50 / ED50
• B. ED50 / LD50
• C. ED95 / ED50
• D. EC50 / ED50
Answer: A
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10. A drug with a narrow therapeutic index means:
• A. It is very safe
• B. Small changes in dose may lead to toxicity
• C. It has low efficacy
• D. It is rapidly metabolized
Answer: B
11. Beta-1 adrenergic receptors are mainly located in:
• A. Bronchi
• B. Heart
• C. Bladder
• D. Liver
Answer: B
12. Which drug is a muscarinic antagonist?
• A. Atropine
• B. Pilocarpine
• C. Neostigmine
• D. Bethanechol
Answer: A
13. An adrenergic agonist used in anaphylaxis is:
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