Which of the following organs is considered the primary site of drug excretion?

Which of the following organs is considered the primary site of drug excretion?
 
  a. Kidney
  b. Liver
  c. Small intestine
  d. Stomach

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Q. 2  Inhaled aerosols may have which types of intended effects on the body? 1. Enteral 2. Local 3. Systemic 4. Oral
 
  a. 1 and 3 only
  b. 2 and 4 only
  c. 2 and 3 only
  d. 1, 2, 3, and 4

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Q. 3  Which of the following routes of drug administration help to reduce the first-pass effect? 1. Oral administration 2. Injection 3. Sublingual tablets 4. Rectal administration
 
  a. 1 and 3 only
  b. 2 and 4 only
  c. 2, 3, and 4 only
  d. 1, 2, and 4 only

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Q. 4  The principal organ for drug metabolism is the
 
  a. brain.
  b. liver.
  c. stomach.
  d. lung.

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Q. 5  Approximately what percentage of an inhaled aerosol reaches the lower respiratory tract with current delivery devices?
 
  a. 0 to 10
  b. 10 to 30
  c. 50 to 60
  d. 90 to 100

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Q. 6  Which of the following factors may have an effect on drug absorption? 1. Route of administration 2. Metabolic degradation 3. Inactivation by stomach acids 4. Blood flow to absorption site
 
  a. 1 only
  b. 1 and 2 only
  c. 1 and 4 only
  d. 1, 2, 3, and 4