Term 4 lecture Pharm Flashcards

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1
Q

Which of the following is not a Nucleus receptor

a. Thyroid Hormone
b. Prolactin
c. steroids
d. Vitamin D

A

B. Prolactin is a peptide ligand for cytokine receptors.

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2
Q

Which of the following drugs is mediated by binding to receptors.

  1. Mannitol
  2. Antacids
  3. Mesna
  4. Morphine
A
  1. Morphine binds to the Mu receptors.

The effects of Mannitol, Antacids, Mesna, and Dimercaprol, Colstipol, are not receptor mediated.

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3
Q

What is to be expected when EC 50 is less than KD

  1. No spare receptors exist
  2. spare receptors exist
  3. competitive inhibition
  4. No inhibition exist.
A
  1. spare receptors exist
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