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Author Question: The anatomy class is learning about the countercurrent mechanism in the medullary nephrons. What ... (Read 53 times)

tsand2

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on: Jul 23, 2018
The anatomy class is learning about the countercurrent mechanism in the medullary nephrons. What would the students learn about this mechanism and what it acts to do?
 
  A) Promote sodium excretion
  B) Concentrate or dilute the urine
  C) Block the effects of aldosterone
  D) Stimulate antidiuretic hormone (ADH) release

Question 2

An older male patient, who has difficulty swallowing pills and tablets, will begin taking an androgen. What drug would the nurse identify as a good choice for this patient?
 
  A) Danazol (Danocrine)
  B) Fluoxymesterone (Androxy)
  C) Methyltestosterone (Testred)
  D) Testosterone (Androderm)


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skipfourms123

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Reply #1 on: Jul 23, 2018
Answer to Question 1

B
Feedback:
The countercurrent mechanism in the medullary nephrons acts to concentrate or dilute urine. It does not promote sodium excretion nor does it block the effects of aldosterone. This mechanism does not stimulate ADH release.

Answer to Question 2

D
Feedback:
A good choice for this patient would be testosterone because the drug can be administered in long-acting depository forms and by dermatologic patch. These forms would eliminate the need for the patient to swallow a pill or tablet. The other options shown here are available only in oral form.


tsand2

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Reply 2 on: Jul 23, 2018
Great answer, keep it coming :)

laurnthompson

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Reply 3 on: Yesterday
Wow, this really help

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