bs The study of ethics in law enforcement has continued to grow and expand over a couple of years as cases of police use of excessive force continue to surface in the courtroom and media. The three issues that have led to the role of ethics in policing include the police culture, style of policing, and police as an institution (Banks, 2013). Ethics has become an issue because many officers overuse the authority and power that has been granted to them. Police officers can take away citizens' freedom, seize individual liberties, and take life when necessary. They also have discretionary powers that allow them to choose which laws they should enforce (Haarr, 2001).

1 What is the Bernheim effect and the reverse Bernheim effect?

2 Kindly explain why the left side of the heart is more prone to disease.

3 1. Is it always necessary to examine the cardiovascular system of a patient in the 45 incline of the head end? Other than convenience for examining the jugular venous pressure (JVP), does this position have any other advantage? 2. If the JVP is not visible when the patient is in the upright position, can one presume it is not raised?

4 The mitral area (of auscultation) normally corresponds with the apex beat. When the heart is dilated and the apex beat is shifted laterally, will the mitral area follow the apex beat to its new location or remain at the place where the apex beat is normally situated?

5 Please explain in detail how to measure the pulsus paradoxus using a sphygmomanometer.

6 What is the difference between dicrotic pulse and pulsus bisferiens?

7 1. Why does the radial pulse become more prominent when the hand is lifted overhead? 2. Please explain the mechanism of a collapsing pulse. Which is the best artery to elicit it: radial, brachial or carotid?

8 What is the mechanism of Durozier's sign?

9 What effects do the aortic stenosis, aortic regurgitation and coarctation of the aorta have on systolic and diastolic blood pressure, and why do they produce these effects?

10 In the section headed 'Pulsus bisferiens' (K&C 7e, p. 691) what do 'percussion wave' and 'tidal wave' mean? An illustration here would be helpful