A seasoned nurse is explaining the multiple mechanisms by which ...

[APUS57]

A seasoned nurse is explaining the multiple mechanisms by which angiotensin II raises blood pressure to a novice nurse. What should the seasoned nurse include in the explanation?
 
  Standard Text: Select all that apply.
  1. Direct vasoconstriction
  2. Increased sympathetic nervous system activity
  3. Cardiac remodeling
  4. Direct effect on the kidneys
  5. Direct increase on the reabsorption of sodium

Question 2

Which clinical manifestations occur as the result of the cardiac remodeling caused by angiotensin II?
 
  1. Hypotrophy of myocyte cells
  2. A breakdown of fatty plaque deposits
  3. Hypotension and dehydration
  4. Myocardial infarction and cerebrovascular accident

[amy.lauersdorf90]

Answer to Question 1

Correct Answer: 1,2,3,5
Rationale 1: Angiotensin II causes direct vasocontstriction, which increases blood pressure.
Rationale 2: Angiotensin II causes increased sympathetic nervous system activity, which increases blood pressure.
Rationale 3: Angiotensin II causes cardiac remodeling, which increases blood pressure.
Rationale 4: Aldosterone, not angiotensin II, increases blood pressure by having a direct effect on the kidneys.
Rationale 5: Angiotensin II increases the reabsorption of sodium, which increases blood pressure.
Global Rationale: Angiotensin II increases blood pressure through direct vasocontstriction, increased activity of the sympathetic nervous system, cardiac remodeling, and the reabsorption of sodium. Aldosterone, not angiotensin II, increases blood pressure by having a direct effect on the kidneys.

Answer to Question 2

Correct Answer: 4
Rationale 1: The cardiac remodeling from angiotensin II does not cause hypotrophy of myocyte cells, but rather hypertrophy of myocyte cells.
Rationale 2: The cardiac remodeling from angiotensin II causes a deposit of fatty plaques, not a breakdown.
Rationale 3: The cardiac remodeling from angiotensin II does not cause hypotension or dehydration.
Rationale 4: Angiotensin II causes cardiac remodeling of hypertrophy of myocardial cells and promotes collagen deposits, which increase the risk of myocardial infarction and cerebrovascular accident.
Global Rationale: Angiotensin II causes cardiac remodeling of hypertrophy of myocardial cells and promotes collagen deposits, which increase the risk of myocardial infarction and cerebrovascular accident. Hypotrophy of myocyte cells, a breakdown of fatty plaque deposits, hypotension, and dehydration do not occur as a result of the cardiac remodeling caused by angiotensin II.

[APUS57]

Thank you!

[amy.lauersdorf90]

Always glad to help...