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PHARMACOLOGY MIDTERM EXAM AND PRACTICE EXAM NEWEST 2024 COMPLETE 320 QUESTIONS AND CORRECT DETAILED ANSWERS GUARANTEED A+ WITH RATIONALES$17.99
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PHARMACOLOGY MIDTERM EXAM AND PRACTICE EXAM NEWEST 2024 COMPLETE 320 QUESTIONS AND CORRECT DETAILED ANSWERS GUARANTEED A+ WITH RATIONALES
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Course
Pharmacology
Institution
Pharmacology
PHARMACOLOGY MIDTERM EXAM AND PRACTICE EXAM
NEWEST 2024 COMPLETE 320 QUESTIONS AND
CORRECT DETAILED ANSWERS GUARANTEED A+ WITH
RATIONALES
1. What is the primary purpose of pharmacokinetics?
o A) To understand drug mechanisms
o B) To study the effects of drugs on the body
o C) To assess ho...
,PHARMACOLOGY MIDTERM EXAM AND PRACTICE EXAM
NEWEST 2024 COMPLETE 320 QUESTIONS AND
CORRECT DETAILED ANSWERS GUARANTEED A+ WITH
RATIONALES
1. What is the primary purpose of pharmacokinetics?
o A) To understand drug mechanisms
o B) To study the effects of drugs on the body
o C) To assess how the body affects a drug
o D) To develop new drugs
o Answer: C) To assess how the body affects a drug.
Rationale: Pharmacokinetics focuses on the absorption, distribution, metabolism, and
excretion of drugs.
2. Which route of administration provides the fastest onset of action?
o A) Oral
o B) Subcutaneous
o C) Intravenous
o D) Intramuscular
o Answer: C) Intravenous.
Rationale: IV administration delivers drugs directly into the bloodstream, providing rapid
effects.
3. What is the term for the dose of a drug that produces a therapeutic effect in 50% of the
population?
o A) ED50
o B) LD50
o C) TD50
o D) IC50
, o Answer: A) ED50.
Rationale: ED50 (effective dose 50) is the dose that produces the desired effect in half of
the subjects.
4. Which of the following is an example of a beta-adrenergic agonist?
o A) Propranolol
o B) Albuterol
o C) Atenolol
o D) Carvedilol
o Answer: B) Albuterol.
Rationale: Albuterol is a selective beta-2 agonist used for bronchodilation in asthma.
5. What is the mechanism of action for ACE inhibitors?
o A) Block beta receptors
o B) Inhibit the conversion of angiotensin I to angiotensin II
o C) Promote aldosterone secretion
o D) Increase heart rate
o Answer: B) Inhibit the conversion of angiotensin I to angiotensin II.
Rationale: ACE inhibitors lower blood pressure by preventing the formation of
angiotensin II, a potent vasoconstrictor.
6. Which of the following medications is used as an anticoagulant?
o A) Aspirin
o B) Warfarin
o C) Ibuprofen
o D) Acetaminophen
o Answer: B) Warfarin.
Rationale: Warfarin is an anticoagulant that inhibits vitamin K-dependent clotting
factors.
7. What is the primary action of NSAIDs?
o A) Antibacterial
o B) Antipyretic and anti-inflammatory
o C) Antidepressant
o D) Antihistaminic
, o Answer: B) Antipyretic and anti-inflammatory.
Rationale: NSAIDs reduce fever, pain, and inflammation by inhibiting cyclooxygenase
(COX) enzymes.
8. Which class of drugs is primarily used to lower cholesterol?
o A) Beta blockers
o B) Statins
o C) ACE inhibitors
o D) Diuretics
o Answer: B) Statins.
Rationale: Statins inhibit HMG-CoA reductase, reducing cholesterol synthesis in the liver.
9. What is a common side effect of opioid analgesics?
o A) Diarrhea
o B) Constipation
o C) Insomnia
o D) Hypertension
o Answer: B) Constipation.
Rationale: Opioids decrease gastrointestinal motility, leading to constipation.
10. Which of the following is a common side effect of antihistamines?
o A) Drowsiness
o B) Hyperactivity
o C) Nausea
o D) Dry cough
o Answer: A) Drowsiness.
Rationale: First-generation antihistamines often cause sedation due to their ability to
cross the blood-brain barrier.
11. Which of the following is a contraindication for the use of beta-blockers?
o A) Hypertension
o B) Asthma
o C) Angina
o D) Heart failure
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