Q- Which one of the following valve abnormalities is related to intravenous drug abuse?
A- Aortic stenosis
B- Aortic regurgitation
C- Mitral stenosis
D- Tricuspid regurgitation
Q- Which one of the following dermatologic disorders presents with a herald batch and a Christmas tree pattern?
A- Bullous pemphigoid
B- Pemphigus vulgaris
C- Pityriasis rosea
D- Psoriasis
Q- Which one of the following conditions is the most likely cause of acute lower gastrointestinal bleeding in patients older than 40?
A- Colorectal cancer
B- Diverticulosis
C- Ulcerative colitis
D- Varicose veins