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Author Question: If a patient's resting cardiac output is 5.6 l/min and on a stress test she elevated her heart rate ... (Read 161 times)

cdr_15

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on: Feb 27, 2019
If a patient's resting cardiac output is 5.6 l/min and on a stress test she elevated her heart rate to a maximum of 176 beats/min with a stroke volume of 115 ml/beat, what is her cardiac reserve? Show your work.

Question 2

Which of the following are not important enzymes found in seminal fluid?
 A) proteases, help dissolve mucus in the vagina
  B) seminalplasmin, an antibiotic enzyme
  C) fibrinolysin, dissolves the semen clot after 15-30 minutes
  D) coagulating enzymes, form a semen clot after ejaculation
  E) hydrolases, remove water and concentrate semen


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Briannahope

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Reply #1 on: Feb 27, 2019
Answer to Question 1

Cardiac reserve equals maximum cardiac output - resting cardiac output.
Maximum CO = HR  SV = 176 beats/minute  0.115 liters/beat = 20.2 liters/minute.
Cardiac reserve equals 14.6 liters/minute.

Answer to Question 2

E


cdr_15

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Reply #2 on: Feb 27, 2019
TY


Briannahope

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Reply #3 on: Feb 27, 2019
You're welcome


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