Top answers

Describe the path of electrical activity through the heart, starting at the sino-atrial node.

The electrical activity is initiated by the pacemaker of the heart, the sino-atrial node at the top of the left atrium. This spreads across the atria before reaching the atrio-ventricular node. Here there is...
MB
Answered by Marcus B. • Biology tutor
6279 Views

Compare the medical uses of ultrasound and X-rays. Your answer should include the risks, if any, and precautions, if any, associated with the use of ultrasound and X-rays. [6 marks]

For six mark questions, it is important to remember that your quality of written communication will be assessed. This basically means that you're spelling, punctuation, use of terminology and how you form se...
NM
Answered by Nicholas M. • Physics tutor
16940 Views

What are the disadvantages of using jurors in the criminal justice process?

A jury is comprised of jurors, whose purpose is to render a verdict submitted to them by a court. This "trial by peers" approach has stood the test of time and has been long established. However, t...
EZ
Answered by Eleni Z. • Law tutor
19805 Views

How do I prepare for an exam that you're not supposed to be able to revise for?

The LNAT is unique in that you cannot revise for it from a book or using an online guide; the questions are designed to test your critical evaluation skills and your independent thinking. That said, you can ...
AB
Answered by Alice B. • LNAT tutor
1835 Views

What is the difference between the short run and long run?

The short run and long run is not determined by a set period of time, but rather by which factors of production are fixed. In the short run, at least one factor of output is fixed. Whereas in the long run, n...
ZC
Answered by Zoe C. • Economics tutor
3960 Views