1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Lapatulllka [165]
3 years ago
5

An increase in venous return will _______.

Biology
2 answers:
ivanzaharov [21]3 years ago
8 0

Answer:

The correct answer is: increase EDV and therefore, increase stroke volume.

Explanation:

Stroke volume refers to the <u>volume of blood that is pumped from the left ventricle in every beat</u>. Stroke volume, along with heart rate, determines the cardiac output and is used to calculate ejection fraction. An abnormal stroke volume correlates to heart malfunction.

Stroke volume (SV) is calculated by subtracting end-systolic volume (ESV) from end-diastolic volume (EDV).

SV = EDV - ESV

For this reason, one can infer that <u>an increase in EDV will produce an increase in stroke volume</u>; and a decrease in EDV will produce a decrease in stroke volume.

<u>An increase in venous return will produce an increase in EDV and stroke volume because it stretches the muscle fibers thereby increasing their preload</u>.

s2008m [1.1K]3 years ago
7 0

Answer:

Increase EDV and therefore, increase stroke volume.

Explanation:

EDV is the volume of blood which filled the ventricle before its contraction while ESV is the volume of blood remain in ventricle after ejection.

When venous return increases, this will increase the pressure on ventricle contraction which can lead to eject of addition blood returned to it.

So, increase in EDV results in an increase of stroke volume (SV).

You might be interested in
What is the biggest difference between an ecosystem and a community?
anyanavicka [17]
C. Because ecosystems consist more of animals
7 0
3 years ago
Which statement describes adaptions necessary for plants to live on land? Check all that apply​
Alex777 [14]
Hm what’s the all that apply?
8 0
3 years ago
Explain how horned toads squirting blood from their eyes is a particularly good defense against coyotes.
coldgirl [10]

Answer:

A stream of nasty-tasting blood squirts from the toads eyes, straight into the coyote's mouth. The coyote steps back, shaking its head from side to side in disgust. It retreats, wiping its muzzle, while the uninjured toad skitters away to safety.

5 0
3 years ago
Match the pairs-rhizobium-<br>a)nitrogen fixation<br>b) bakery products <br>c) food poisoning​
Dmitrij [34]

Answer:

A

Explanation:

8 0
2 years ago
Where are hotspot volcanoes located
padilas [110]
Hotspots can appear in oceans around the world or anywhere there is a hotspot they don't need to be near plate boundaries like most volcanos
5 0
3 years ago
Other questions:
  • How are fossil fuels created?
    13·1 answer
  • What is my favorite ice cream flavor?
    12·2 answers
  • What are the similarities between the onion and white fish cells?
    10·2 answers
  • Which of the following functional groups contains only carbon, hydrogen, and oxygen? A) carboxyl group B)amino group C)sulfhydry
    14·1 answer
  • If we know that apatite is the mineral that makes up the enamel of our teeth, what physical properties might you want to know ab
    8·1 answer
  • WILL GIVE A BRAINBLEST
    13·2 answers
  • Name different ways in which<br> abrasion of rocks can happen.<br> Plz help ASAP
    7·1 answer
  • How many pounds of pressure can a long bone like the femur withstand
    14·1 answer
  • Students were asked to identify the function of each part of the flower labeled
    15·1 answer
  • Nuclear energy is a non-renewable energy source.<br> True<br> False
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!