Hi i have a question which i am struggling on and have exams in two days any kind hearted person pls help with the following
In April 2005, 2080 patients attended St Elsewhere hospital for CT Scan head and body examination. Auit data reveals that 680 head examinations were referred from A&E, 350 from Neurological clinics, and 70 from private
a) what % of the body examination were performed in April
b) what % of the patients were referred from A&E for head scans
c) what is the ratio of private patients to patients referred from within the hospital.
A patient is positioned supine for an x-ray examination of the lumber spine. Focus to image receptor distance (FFD) is 100cm. The light beam image on the patients skin has a diameter of 9cm. The emerging x-ray beam has an exit diameter of 12cm.
a) what is the thickness of the patient (p)?
b) what is the magnification of the image (M)?
PLEASE ANY ONE HELP ME REGARDS