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Author Question: The nursing student is preparing a presentation for the class on the relationship of ligands to ... (Read 85 times)

nenivikky

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The nursing student is preparing a presentation for the class on the relationship of ligands to receptors. Which explanation should the student include in the presentation?
 
  1. The drug ligand works like a key that fits into a lock, which is the receptor protein in the neuron.
  2. The drug ligand is the door that opens into the house, which is the neuron.
  3. The receptor protein is like a flame that ignites the stove, which is the drug ligand.
  4. The drug ligand works like a comforter, providing a protective cover for the receptor protein.

Question 2

Which condition can contribute to a vulnerability of the blood-brain barrier (BBB)? Select all that apply.
 
  1. Anxiety
  2. Infection
  3. Radiation
  4. Dementia
  5. High blood pressure



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bigsis44

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Answer to Question 1

Answer: 1
Explanation: Like a key (drug ligand molecule) fitting into a lock (receptor protein in the neuron cell), the drug molecule ligand tells the protein receptor in the neuron cell to do something (open the gate). The other images (door into a house, flame on a stove, comforter on a bed) do not convey the interaction of the ligand and receptor that results in specific activity.

Answer to Question 2

Answer: 2, 3, 4, 5
Explanation: High blood pressure can open the BBB. Radiation, infection, and brain injury also can open the BBB. The progression of dementia causes a weakening of the BBB. Anxiety has not been associated with BBB vulnerability.




nenivikky

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Reply 2 on: Jul 19, 2018
Wow, this really help


jackie

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Reply 3 on: Yesterday
Gracias!

 

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