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WCU PHYS 261 FINAL EXAM ACTUAL EXAM 2 LATEST VERSIONS A AND B EACH VERSION CONTAINS 70 QUESTIONS AND CORRECT DETAILED ANSWERS $9.99   Add to cart

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WCU PHYS 261 FINAL EXAM ACTUAL EXAM 2 LATEST VERSIONS A AND B EACH VERSION CONTAINS 70 QUESTIONS AND CORRECT DETAILED ANSWERS

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WCU PHYS 261 FINAL EXAM ACTUAL EXAM 2 LATEST VERSIONS A AND B EACH VERSION CONTAINS 70 QUESTIONS AND CORRECT DETAILED ANSWERS The volume of blood pumped out of the heart from one ventricle during one contraction - Answer️️ -Stroke Volume (SV) The rapid depolarization phase of the action...

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WCU PHYS 261 FINAL EXAM 2023-2024
ACTUAL EXAM 2 LATEST VERSIONS A
AND B EACH VERSION CONTAINS 70
QUESTIONS AND CORRECT
DETAILED ANSWERS


The volume of blood pumped out of the heart from one ventricle during one contraction

- Answer✔️✔️-Stroke Volume (SV)


The rapid depolarization phase of the action potentials of myocardial contractile cells is

due to which ion(s)? - Answer✔️✔️-Na+ only

The volume of blood in the ventricle available to be pumped out of the heart during one

contraction - Answer✔️✔️-End- diastolic volume (EDV)

The volume of blood left in the ventricle after it contracts - Answer✔️✔️-End- systolic

volume (ESV)

The volume of blood ejected from each ventricle during a contraction - Answer✔️✔️-

Stroke volume (SV)

What happens when calcium binds to troponin? - Answer✔️✔️-Tropomyosin is pulled

away from the myosin-binding site on actin.

, TITLE: EMILLYCHARLOTTE 2024/2025 ACADEMIC PERIOD
OWNER: EMILLYCHARLOTTE
COPYRIGHT STATEMENT: ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISHED: SEPTEMBER 2024

The driving force for blood flow is a(n) ________ gradient. - Answer✔️✔️-pressure

Which would NOT cause an increase in blood pressure? - Answer✔️✔️-a decrease in

cardiac output

Match the name of the wave with the correlated event:



ventricular depolarization - Answer✔️✔️-QRS complex

The function of transverse tubules is to - Answer✔️✔️-rapidly conduct action potentials to

the interior of the muscle fiber.

Which is greater:

A) blood pressure when the peripheral vessels constrict

B) blood pressure when the peripheral vessels dilate - Answer✔️✔️-A) blood pressure

when the peripheral vessels constrict

The P wave of an ECG corresponds to - Answer✔️✔️-depolarization of the atria

The reflex that compliments a withdrawal reflex by making compensatory adjustments

on the opposite side of the body receiving the stimulus is the - Answer✔️✔️-crossed

extensor reflex

Your instructor announces a pop quiz. Which would you expect? - Answer✔️✔️-

Increased sympathetic signaling and increased cardiac output

This protein is activated by the Ca2+-calmodulin complex to phosphorylate the myosin

light chain protein. - Answer✔️✔️-myosin light chain kinase

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