MYTUTOR SUBJECT ANSWERS

385 views

People with AF often also have narrowing of the valve between the left atrium and the left ventricle. This causes the wall of the left atrium to become thicker. Suggest why.

With a narrowed (stenosed) AV valve it is more difficult (requires more pressure) for the blood to pass from atrium to ventricle. The blood pressure in the atria is increased.

This means that the atrium must contract harder and with more force in order to pump the blood through the narrowed valve into the ventricles.

And becuase the muscle wall of the atria is working harder it begomes thicker.

Aaron H. Mentoring -Medical School Preparation- tutor, Mentoring -Per...

1 year ago

Answered by Aaron, an A Level Human Biology tutor with MyTutor


Still stuck? Get one-to-one help from a personally interviewed subject specialist

21 SUBJECT SPECIALISTS

£24 /hr

Stephanie K.

Degree: Medicine (Bachelors) - Cardiff University

Subjects offered:Human Biology, -Personal Statements-+ 1 more

Human Biology
-Personal Statements-
-Medical School Preparation-

“Hi, I'm Steph a medical student at Cardiff University with a background in Biomedical Science (Bsc). I tutor Human Biology & help with University preparation.”

£20 /hr

Fatima C.

Degree: Biomedical Sciences (Bachelors) - Manchester University

Subjects offered:Human Biology, English Literature+ 3 more

Human Biology
English Literature
Chemistry
Biology

“About me: I am a final year Biomedical Sciences student at the University of Manchester. Although they are very different, the two subjects I have always enjoyed most are English Literature and Biology. I am a very curious person and ...”

MyTutor guarantee

£26 /hr

Vedia S.

Degree: Medicine (Bachelors) - Bristol University

Subjects offered:Human Biology, Biology+ 2 more

Human Biology
Biology
-Personal Statements-
-Medical School Preparation-

“Top tutor from the renowned Russell university group, ready to help you improve your grades.”

MyTutor guarantee

About the author

Aaron H.

Currently unavailable: for regular students

Degree: Graduate Entry Medicine (MB ChB) (Bachelors) - Bristol University

Subjects offered:Human Biology, -Personal Statements-+ 1 more

Human Biology
-Personal Statements-
-Medical School Preparation-

“A little about me: After graduating with a BSc degree in Physiological Science (how the body works) I applied to study medicine as a graduate and am now studying to be a doctor at the University of Bristol.  I am fascinated by how th...”

You may also like...

Posts by Aaron

Describe the effect of calcium ions on tropomyosin and actin in skeletal muscle.

Describe the roles of DNA and RNA in determining the sequence of amino acids in proteins.

Explain how voltage-gated sodium ion channels on the membranes of neurones generate an action potential.

People with AF often also have narrowing of the valve between the left atrium and the left ventricle. This causes the wall of the left atrium to become thicker. Suggest why.

Other A Level Human Biology questions

What is a synapse and what role do neurotransmitters play?

What are the basic components of the immune system

Explain how voltage-gated sodium ion channels on the membranes of neurones generate an action potential.

Why is thermoregulation important?

View A Level Human Biology tutors

We use cookies to improve your site experience. By continuing to use this website, we'll assume that you're OK with this. Dismiss

mtw:mercury1:status:ok