Answer to Question 1
ANS: A
The purpose of liver percussion is to measure the liver size. The technique used to percuss the liver is as follows:
1. Starting in the midclavicular line at about the 3rd intercostal space, lightly percuss and move down.
2. Percuss inferiorly until dullness denotes the liver's upper border (usually at fifth intercostal space in MCL).
3. Resume percussion from below the umbilicus on the midclavicular line in an area of tympany.
4. Percuss superiorly until dullness indicates the liver's inferior border.
5. Measure span in centimeters. Normal liver span: clinically estimated at midclavicular line: 6-12 cm and midsternal line: 4-8 cm.
Answer to Question 2
ANS: D
Perform auscultation before palpation so as to hear unaltered bowel sounds. Listen for bruits over the aorta and the iliac, renal, and femoral arteries.