Which of the following terms describes the drug dose that produces 50% of the maximum possible response?
a. effective dose (ED50)
b. lethal dose
c. maximum response
d. half-life (t1?2)
a. Effective dose is the dose that produces 50% of the maximal response. The potency of a drug varies inversely with a drug's ED50 . For example, a drug whose ED50 is 4 mg is ten times more potent than a drug whose ED50 is 40 mg.
Health Professions
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During a chest assessment on a patient with a large pleural effusion, which of the following would be expected?
1. Increased tactile and vocal fremitus 2. Hyperresonant percussion note 3. Diminished breath sounds 4. Tracheal shift a. 1 b. 1, 2 c. 3, 4 d. 1, 3, 4
Health Professions
Goblet cells in the digestive tract secrete __________.?
Fill in the blank(s) with correct word
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