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AHN 447 Exam 3 Practice Questions and Answers $13.49
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AHN 447 Exam 3 Practice Questions and Answers
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AHN 447 Exam 3 Practice Questions and Answers What MAP is required for adequate flow? - ANSWER-at least 60 mmHg What do baroreceptors do? - ANSWER-they're stimulated with elevated BP; drop BP What do chemoreceptors do? - ANSWER-sensitive to hypoxia; increases vasoconstriction to increase perfu...

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  • October 29, 2024
  • 31
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • ahn 447 exam 3 practice questions and answers

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  • AHN
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©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




AHN 447 Exam 3 Practice Questions and

Answers


What MAP is required for adequate flow? - ANSWER✔✔-at least 60 mmHg


What do baroreceptors do? - ANSWER✔✔-they're stimulated with elevated BP; drop BP


What do chemoreceptors do? - ANSWER✔✔-sensitive to hypoxia; increases vasoconstriction to increase

perfusion


What happens to the heart as one ages? - ANSWER✔✔-- valves thicken adn stiffen


- coronary arteries become harder and thicker


What happens to the blood vessels as one ages? - ANSWER✔✔-- thicken/stiffen


- slow exchange of nutrients from blood and tissues


What happens to the blood as one ages? - ANSWER✔✔-- blood volume increases


- decrease in bone marrow production of RBC (decrease in H&H)




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, ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




What is considered orthostatic hypotension? - ANSWER✔✔-systolic drop of 20 mmHg or diastolic drom

of 10 mmHg with 10-20% increase in HR


What is the difference between S1 and S2? - ANSWER✔✔-S1


- closure of AV valves


- best heard at the apex


- ventricular systole


S2


- closure of PV/AV


- best heard at the base


- diastole


What is the difference between S3 and S4? - ANSWER✔✔-S3


- faily normal under 35


- ventricular gallop


- early sign on HF


S4

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, ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

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- atrial gallop


- HTN, MI, Aortic or pulmonic stenosis


turbulent blood flow across the valves - ANSWER✔✔-


What is the "gold standard" fro diagnostics of cardiac damage and why? - ANSWER✔✔-Troponin 1;

released with any myocardial damage; any troponin is abnormal and should be treated as a cardiac

event


Why is CK-mb not reliable for diagnosing cardiac issues? - ANSWER✔✔-can give a false positive because

it can be found in multiple places


What are normal total cholesterol levels? - ANSWER✔✔-less than 200


What are normal HDL levels? - ANSWER✔✔-greater than 45 in men and greater than 55 in women


What are normal LDL levels? - ANSWER✔✔-less than 130


What are normal Triglyceride levels? - ANSWER✔✔-less than 160 in men and less than 135 in women


What should you inform your pt about before a heart cath? - ANSWER✔✔-may have palpitations; may

feel hot


What are the two types of left-sided heart failure? - ANSWER✔✔-systolic HF and diastolic HF



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, ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




loss of ability to contract forcefully - ANSWER✔✔-systolic heart failure


loss of ventricular wall compliance; cant' adequately fill - ANSWER✔✔-diastolic heart failure


RV doesn't empty completely and "backs up" into venous system causing peripheral edema -

ANSWER✔✔-right-sided heart failure


What are the clinical manifestations of left-sisded HF? - ANSWER✔✔-Manifestations of pulmonary

congestions:


- cough, worse at night (ask how many pillows they sleep with)


- dyspnea


- crackles and wheezing


- frothy, pink sputum (pulmonary edema)


- tachypnea


What are the clinical manifestations of right-sisded HF? - ANSWER✔✔-Manifestations of systemic

congestions:


- JVD


- enlarged liver/spleen



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