This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
Which among the following is the most common type of finger impression? 
Select and explain. 
A. Arch, B. Whorl, C. Loop, D. Composite
C: Loop
Answer: C: Loop 
Explanation: Types of fingerprints: Loops (about 67%) Radial Ulnar Whorls (about 25%) Concentric Spiral Double spiral Almond-shaped Arches (about 6-7%) Plain Tented Exceptional Composite form (about one to two percent) Central pocket loops Lateral pocket loops Twinned loops Accidentals Ref: The Essentials of Forensic Medicine and Toxicology by Narayan Reddy, 27th edition, Page 76.