What factors may affect the onset of periodontal diseases?
A) Plaque
B) Host defense mechanisms
C) Exogenous antimicrobial agents
D) All of the above
A
Explanation: A) Periodontal diseases arise because of complex changes in plaque ecology and are affected by many factors in the host's protective responses. Current research indicates that bacteria growing in biofilms may be resistant to the effects of host defense mechanisms and exogenous antimicrobial agents.
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_________ the anatomic organ and tissue system within the human body related to vision, such as the conjunctiva, lids, lashes, tear ducts, optic nerve
Fill in the blank with correct word.
Which test will rise first after successful treatment for iron deficiency?
a. Reticulocyte count b. Ferritin c. MCV d. Hemoglobin
Use word parts to construct the following medical terms. aden/o cyst/o glomerul/o hemat/o leuk/o nephro/o olig/o pyel/o ureter/o urethr/o ur/o -ectasis -ectomy -emia -itis -lith -oma -osis -pathy -sclerosis -scopy -uria blood in the urine
Dental x-ray film available today is coated with emulsion on both sides
Indicate whether the statement is true or false