aerosols are smaller than _____ mm and remain in the air for ____ hours
5 mm
24 hours
what is the size of TB
.5-1.0
what vaccines should you get annually?
TB and Flu
what bacteria is shed with exfoliation?
resident
_____ bacteria reflects contamination by routine?
transient
contact dermatitis presents itself 6-72 hours after exposure what type of hypersensitivity is this?
type IV-delayed reaction
what is defined as a specific eye, mouth, mucous membrane, nonintact skin or parenteral contact with blood or other potentially infectious material that results from the performance of one's usual professional duties
exposure incident
what is defined as a reasonably anticipated skin, eye, mucous membrane or parenteral contact with blood or other potentially infectious material that may result from the performance of one's usual duties
occupational exposure
what is a microbiologic load that is the number of contaminating organisms present on a surface prior to sterilization or disinfection
bioburden
what is a substance that poses a biologic risk because it is contaminated with biomaterial with a potential for transmitting infection
biohazard
what is the surface film that contains microorganism and other biologic substances?
biofilm
what is the temp, pressure and time for steam autoclaves?
121
15 lbs
15 minutes
what are glutaraldehydes used for?
immersion disinfectants
what is defined as indicates a range of activity of a drug or chemical substance against a wide variety of microorganisms?
broad spectrum
what is defined as the joint action of agents so that their combined effect is greater than the sum of their individual parts?
synergism
what are two types of mirror surfaces? what is not a mirror surface?
plane
concave
NOT convex
t/f a mirror surface is convex
false!!!
t/f the probe has a rough pointed tip
false
where is the probe depth measured from?
gingival margin to attached periodontal tissue (epithelial attachment)
what is the position of the perio attached tissue at the base of suclcus called?
CAL
which is not a type of explorer 11/12, sickle, pigtail, H6/7
H6/7
when is the supine position contraindicated?
congestive heart, vertigo, sinusitis and advanced pregnancy
what is a persistent infection where the causative agent remains inactive within certain cells?
latent infection
where do invading organisms live and multiply?
reservoir
when you have hep D you also have?
hep B (coinfections)
____ can pass through a 95% bacterial filtration mask?
TB
t/f TB is aids defining?
true
what form of sterilization requires the longest time
chemical sterilant
what are the approved disinfectant agents?
iodophors
sodium hypochlorite
complex phenols
t/f glutaraldehydes can be used as surface disinfectants
false
t/f molars and premolars you start probing at the distal line angle for both facial and lingual surfaces. With anterior teeth the initial insertion may be distal or midline for facial and lingual.
both statements are true
hep is inflammation of what organ?
liver
which herpes simplex affects the lips, genitals, fingers and eyes?
herpes simplex I
what does herpetic whitlow affect?
fingers
the herpes virus lays latent in the nerves what can it be triggered by?
ultraviolet light
stress
dental trauma
when can you legally defer a patients treatment?
active TB and herpetic lesion
what is VZV?
chicken pox and shingles
what is the highest reading for the blood pressure?
systolic
what is the low reading for blood pressure?
diastolic
t/f bilateral exams use two hands at the same time to examine corresponding structures on opposite sides of the body. Bimanual exam uses fingers and thumb from each hand applied simultaneously in coordination.
both statements are true
how many lymph nodes are in the whole body?
4000-700
how many lymph nodes are in the head and neck
170-200
what is the function of cementum?
seal tubules and attach perio fibrs
the cementum is ____ to ____ um at the root and ____ to ____ um at the cervical area
50 to 200 um at the root
30 to 60 um at the cervical area
describe a type I embrasure
gingival tissue fills the area
t/f the anterior line of the mucogingival junction is smooth and fairly straight.
false-scalloped
what is the texture of hyperkeratosis
leathery hard or nodular
what acts as a barrier to keep infection out?
junctional epithelium
what is the gingival side of the sulcus?
sulcular epithelium
a pt that is gasping for air and wheezing is most likely experiencing what?
asthma attack
what is the most common medical emergency in the dental office?
syncope (fainting)
when the brain cells are deprived of oxygenated blood they cease to provide respiratory and circulatory function and the body goes through?
shock
what is the interruption of korotkoff sounds called during the systolic pressure?
auscultation gap
what a report is referred to as a false negative it indicates?
malignancy may be present but sample examined on smear or biopsy may not have included cancerous cells
what is defined as providing the quality health care that benefits the patient
beneficence
what is influenced by a persons culture and language?
person's beliefs
behaviors
perceptions
attitudes
what is defined as the obligation to patient to do no harm
nonmaleficence
what is a depressed lesion?
ulcer
airway must be established in ____ to ___ minutes to prevent brain damage?
