• Find us on Facebook
  • Follow BMJ OnExamination on Twitter

Quiz

December 2014 Monthly Quiz

Last month's question:

Which part of the brain has a role in regulating blood pressure?

Answer: Medulla oblongata

The medulla oblongata is the lowest part of the brainstem and is continuous with the spinal cord.

The medulla oblongata is thought to have three vital centres to control autonomic functions within the body. One of these is the vasomotor centre that regulates blood pressure by adjusting the diameter of the blood vessels. 

The other two are

  • The respiratory centre which regulates the rate and depth of breathing and
  • A cardiac centre which regulates the force and rate of heart contraction.

These vital centres are all essential to life and therefore injury to the medulla oblongata could result in instant death.

The medulla oblongata also contains several nuclei that control certain actions (including reflex arcs) like swallowing, coughing, sneezing and vomiting.

 

Looking for some light relief from all that revising?

Take part in our monthly quiz to give yourself a chance of winning one of the following great prizes:

  • 1 free access to an onExamination revision resource of your choice

  • 5 x £10 discount vouchers for onExamination products

 

Of the following substances which one is responsible for stimulating appetite?







Please can you confirm which stage you are in your medical career? (Please only enter your stage in your medical career if you agree that it may be used for promotional activities from onExamination)












© 2014 BMJ Publishing Group Ltd . All rights reserved.