Why there are very few Blonde Doctors?

Semi-funny, but the best I could come up with at this time of the hour...and it was a man...

This is the story of a Blonde who took a medical entrance test.
Given below is a portion of the test answers he gave.
Read on.......

Antibody - against everyone
Artery - the study of fine paintings
Bacteria - back door to a cafeteria
Benign - what you be after you be eight
Bowel - letters like a, e, i, o, u
Caesarian Section - a district in Rome
Cardiology - advanced study of Poker playing
Cat Scan - searching for lost kitty
Chronic - neck of a crow
Coma - punctuation mark
Cyst - short form of sister
Diagnosis - person with slanted nose
Dilate - the late British Princess Diana
Dislocation - in this place
Duodenum - couple in blue jeans
Genes - blue denim
Enema - not a friend
False Labor - pretending to work
Impotent - distinguished / well-known
Labor Pain - hurt at work
Lactose - people without feet
Lymph - walk unsteadily
Microbes - small dressing gowns
Obesity - City of Obe
Pacemaker - winner of Nobel Peace Prize
Protein - in favor of teens
Pulse - grain
Red Blood Count - Dracula
Rupture - Ecstasy
Secretion - hiding anything
Subcutaneous - not cute enough
Tablet - small table
Tumor - extra pair / you die
Ultrasound - radical noise
Urine - opposite of you're out
Vein - at what time?