MCQs in Oral Radiology - Biological Effects of Radiation

# Which of the following are most sensitive to X ray?
A. Tooth buds and salivary glands
B. Nerve and muscle tissue
C. Hair and nails
D. Cartilage

# The most radiosensitive cells in the body are:
A. Endothelial cells
B. Epithelial cells
C. Red blood cells
D. White blood cells

MCQs in Periodontology - Gingivitis

# A thin bluish line around the gingival margin is due to the absorption of:
A. Silver
B. Mercury
C. Drugs like Tetracycline
D. Lead

# McCall's festoons are:
A. also called Stillman's clefts
B. due to poor oral hygiene
C. Congenital abnormality
D. Due to trauma from occlusion

Parenteral Fluid Therapy

Administration of fluid by any root other than the alimentary canal (per oral) i.e. intravenous, intramuscular, subcutaneous or into bone marrow is called Parenteral Fluid Therapy.

Intravenous route is by far the most common method for parenteral fluid therapy. Mostly, the median cubital vein in the cubital fossa is used for venepuncture.

Important Solutions commonly used:

# 5% Dextrose 

MCQs in Periodontology - Defense mechanisms of Gingiva and Host response

# The predominant cell type in gingival crevicular fluid is the:
A. Mast cell
B. Plasma cell
C. Macrophage
D. Polymorphonuclear leukocyte

# Gingival crevicular fluid is measured using:
A. Whatman's filter paper
B. pH paper
C. Mylar strip
D. Litmus paper