If a patient's resting cardiac output is 5.6 l/min and on a ...

[cdr_15]

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

[Briannahope]

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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[Briannahope]

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