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
nekit [7.7K]
3 years ago
15

Heart murmurs caused by a stenotic mitral valve ______.Choose the correct answer:A) are heard as a high pitched click when the v

alve should be—but is not—wide open during systole.B) are detected due to the turbulent blood flow that occurs as blood backflows into the left atrium C) are detected if the valve's cusps are thin and flexibleD) All of the listed responses are true.
Biology
1 answer:
irinina [24]3 years ago
8 0

Answer:

OptionA,   re heard as a high pitched click when the valve should be—but is not—wide open during systole.

Explanation:

Heart murmurs are sound that are heard when the blood flow into the left ventricle but the flow get reduced as compared to the normal flow. The flow reduction happens because of the stenotic valve which has a narrow opening as compared to the opening in valves of a normal heart. Due to reduced valve size, the blood flow becomes fast and turbulent thereby producing murmur sound.

Hence, option A is correct

You might be interested in
Which of the following best explains the difference between micro and macro evolution? A. Microevolution is based on ideas, whil
gtnhenbr [62]

Answer: C. Microevolution is small scale change to the gene pool of a population while macroevolution is larger scale changes that lead to speciation.

Explanation:

Microevolution can be defined as a small change in the gene frequency within a gene pool of the species, these changes will be inherited by the organisms and there will not be any drastic change at the species level. But in case of macroevolution the large scale change occurs at the genetic level, which retain for long. This leads to development of new organisms or results in speciation.

4 0
3 years ago
Help ⚠️ is for today
Pani-rosa [81]
I think it’s frameshift, sorry if it’s wrong though I’m not sure
7 0
3 years ago
Describe how decomposers link the living and non-living parts of an ecosystem
dybincka [34]

Decomposers are living organisms that breaks down other living and non-living things into smaller parts.

Decomposers can recycle dead plants and animals into chemical nutrients such as carbon and nitrogen that are released back into the soil, air and water as food for living plants and animals.
8 0
3 years ago
Read 2 more answers
Explain crop modifications in your own words.
fomenos
Crop modification is when the DNA of a plant is altered, commonly used to make them more desirable. For example, bananas weren’t always these long and seedless fruits but with crop modification, over time scientists were able to change the DNA of the banana we know today.
5 0
3 years ago
Compost helps preserve the health of soil because it _______?
STALIN [3.7K]
Because its decayed organisms. So all the nutrients from that decayed organism goes into the soil and makes it rich with nutrients. 
8 0
3 years ago
Read 2 more answers
Other questions:
  • NEED ANSWER ASAP! Aside from safety, which of the following is an additional benefit of understanding animal behavior? A Reduced
    10·1 answer
  • In 1966, american biologist lynn margulis proposed the theory of endosymbiosis, or the idea that mitochondria are the descendant
    9·2 answers
  • How does digitizing images make it easy to transmit images?
    14·1 answer
  • What do manatees eat?
    6·2 answers
  • The tiny gaps between adjacent schwann cells are called
    5·1 answer
  • Me need help...me no understand this question..I'm too dumb :P
    14·1 answer
  • Elodea uses _____________ to power its cellular processes.
    14·2 answers
  • Describe how a cross between two closely related organisms may result in genetic problems.
    12·1 answer
  • Why does planting cover crops help conserve soil?
    12·1 answer
  • Which of the following are characteristics of prokaryotes? Select all that apply.
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!