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Author Question: The nurse suspects that a patient's hypertension is being influenced by sympathetic nervous system ... (Read 46 times)

audie

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on: Jun 25, 2018
The nurse suspects that a patient's hypertension is being influenced by sympathetic nervous system stimulation. Which substances should the nurse identify as contributing to this patient's elevated blood pressure?
 
  Select all that apply.
 
  1. epinephrine
  2. angiotensin II
  3. norepinephrine
  4. adrenomedullin
  5. antidiuretic hormone

Question 2

A patient is demonstrating a sign of blood pressure stabilization accompanied by a decreased urine output. What should the nurse explain is the body's mechanism responsible for this blood pressure stabilization?
 
  1. response to chemoreceptors in the aortic arch
  2. renal conservation of sodium and water
  3. change in body temperature
  4. intake of dietary fat and protein


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nathang24

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Reply #1 on: Jun 25, 2018
Answer to Question 1

Correct Answer: 1, 2, 3, 5
Epinephrine and norepinephrine, and the hormones angiotensin II and antidiuretic hormone are vasoconstrictors that increase the blood pressure. Adrenomedullin is a hormone that decreases blood pressure.

Answer to Question 2

Correct Answer: 2
Blood pressure is influenced by many factors. The kidneys help maintain blood pressure by excreting or conserving sodium and water. When blood pressure decreases, the kidneys initiate the reninangiotensin mechanism. This stimulates vasoconstriction, which results in the release of the hormone aldosterone from the adrenal cortex, and increases sodium ion reabsorption and water retention. In addition, pituitary release of antidiuretic hormone (ADH) promotes renal reabsorption of water. The net result is an increase in blood volume and a consequent increase in cardiac output and blood pressure. With the changes described, the kidneys are compensating and causing the changes. The changes are not reflective of intervention influenced by the chemoreceptors in the aortic arch, body temperature changes, or dietary intake.


audie

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Reply #2 on: Jun 25, 2018
Thank you :)


nathang24

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Reply #3 on: Jun 25, 2018
Happy to help you


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