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Author Question: Biological theories identify at least one physiologic basis for depression, and which of the ... (Read 95 times)

Starlight

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on: Jul 19, 2018
Biological theories identify at least one physiologic basis for depression, and which of the following statements represents that basis?
 
  a. decreased concentration of postsynaptic cell receptors on neurotransmitters
  b. decreased sensitivity of postsynaptic cell receptors on neurotransmitters
  c. decreased concentration of cortisol throughout the body and brain
  d. heightened sensitivity of hypothalamic-pituitary-adrenal feedback loop

Question 2

An individual is seeking treatment for bulimia nervosa. The therapist decides to use cognitive behavioral therapy and medication. For what medication can a nurse expect to develop a patient education program?
 
  a. A selective serotonin reuptake inhibitor (SSRI), such as escitalopram (Lexapro)
  b. A mood stabilizer, such as lithium
  c. A calcium channel blocker, such as nifedipine (Procardia)
  d. An antianxiety medication, such as buspirone (Buspar)


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coreycathey

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Reply #1 on: Jul 19, 2018
Answer to Question 1

B
According to biological theories of depression, a decreased sensitivity of postsynaptic cell receptors and neurotransmitters have a physiologic effect on mood. It is by restoring this decreased receptor sensitivity (referred to as down regulation) back to normal that the effectiveness of electroconvulsive therapy and many antidepressant drugs is explained.

Answer to Question 2

A
Antidepressant medications have been shown to have a therapeutic benefit for many patients with bulimia and binge-eating disorder. Because the side-effect profile is least troublesome for SSRI antidepressants, this is the type of medication the nurse can expect to be used.


Starlight

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Reply 2 on: Jul 19, 2018
Great answer, keep it coming :)

coreycathey

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Reply 3 on: Yesterday
Excellent

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