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CSCE ACTUAL MIDTERM EXAM 2025 UPDATED
QUESTIONS AND TOP COMPLETE REVISED SOLUTIONS
ALREADY GRADED A+
what heart conditions require premed? a: anything repaired b: artificial heart valves c: hx of infectious endocarditis d: heart transplant - CORRECT ANSWER >>> all of above What do you use as premed and how much - CORRECT ANSWER >>> Amoxicillin, 2000 mg how long before appointment should pre med be taken - CORRECT ANSWER >>> 30 minutes- 1 hour when do you premed for joints? - CORRECT ANSWER >>> less than 2 years, previous infection, multiple replacements what do you use as premed if you are allergic to amoxicillin **- CORRECT ANSWER
** cephalexin, clindamycin photograph of a geriatric patient, one side of face appears to have bumps and redness by the eye would most likely be a: herpangina b: herpes simplex c: herpes zoster
d: measles - CORRECT ANSWER >>> c, herpes zoster herpes zoster aka - CORRECT ANSWER >>> shingles what causes herpes zoster - CORRECT ANSWER >>> varicella-zoster virus you are more likely to develop shingles if - CORRECT ANSWER >>> you are older than 60, you had chickenpox before age 1, your immune system is weakened by meds or disease what is measles - CORRECT ANSWER >>> infection of the respiratory system measles aka - CORRECT ANSWER >>> morbilli Kopliks Spots inside the mouth appear during which condition **- CORRECT ANSWER
** measles characteristics of measles - CORRECT ANSWER >>> flat, discolored areas and solid, red, raised areas that later join together measles is primarily in which age group - CORRECT ANSWER >>> children herpangina - CORRECT ANSWER >>> involves ulcers and sores inside the mouth. sore throat and fever herpangina most common in which age group - CORRECT ANSWER >>> children
b: start chest compressions c: check for broken bones d: check airway for obstruction - CORRECT ANSWER >>> a: activate EMS unresponsive means call EMS Which hepatitis shot is given to the dental hygienist employee? - CORRECT ANSWER >>> Hep B which method of fluoride application gets immediately absorbed into the enamel? a: foam fluoride b: varnish c: home fluoride d: fluoride gel - CORRECT ANSWER >>> b: varnish has highest PPM what do you do if elderly patients BP is 153/120? - CORRECT ANSWER >>> Recheck B.P. in 5 minutes, consult M.D. immediately, do not perform dental tx until elevated pressure decreases. free gingiva is area from ______ to _______ - CORRECT ANSWER >>> free gingival groove, top of gingiva (free gingival margin) neurofibroma - CORRECT ANSWER >>> benign nerve sheath tumor derived from myelin sheath of peripheral nerves neuroma - CORRECT ANSWER >>> tumor of neural tissue
what % of alcohol in hand disinfection solution to use in dental office? **- CORRECT ANSWER
** 60% median rhomboid glossitis is - CORRECT ANSWER >>> chronic fungal (candidiasis) infection treatment for median rhomboid glossitis - CORRECT ANSWER >>> none difference between pyogenic granulomas and peripheral giant cell granulomas - CORRECT ANSWER >>> peripheral: more blue in comparison, usually less than 2 cm pyogenic: small, reddish bumps that bleed easily peripheral gian cell granuloma location - CORRECT ANSWER >>> exclusivey on gingiva due to irritation or trauma mucocele - CORRECT ANSWER >>> mucous cyst. painless. thin sac, fluid filled mucocele location - CORRECT ANSWER >>> inner surface of lips ranula - CORRECT ANSWER >>> swelling of connective tissue. caused by local trauma to salivary gland duct ranula location - CORRECT ANSWER >>> floor of mouth how do you know if its amelogenisis imperfecta on a radiograph **- CORRECT ANSWER ** snow capped white teeth how do you know if its dentinogenesis imperfecta on a radiograph **- CORRECT ANSWER ** bulbous crowns with short slender roots and absent pulp chambers and root canal.
organic components of plaque are - CORRECT ANSWER >>> lipids, proteins and carbohydrates. people who want to eat organic foods are concerned about carbs, fats and proteins. what plaque component causes caries - CORRECT ANSWER >>> acids produced by biofilm washing your hands between patients should be done for a: 10 seconds b: 15 seconds c: 30 seconds d: 45 seconds - CORRECT ANSWER >>> b: 15-20 seconds what causes angular cheilitis - CORRECT ANSWER >>> candida albicans (involved in the sores) riboflavin (b2) deficiency iron deficiency anemia which disease should you be on the lookout for when angular cheilitis is present - CORRECT ANSWER >>> celiac disease, anorexia nerves and/or bulimia nervosa Leukoplakia, snuff cratosis and aspirin burn can or cannot be wiped off? **- CORRECT ANSWER
** cannot pseudomembranous candidiasis is distinguished clinically by - CORRECT ANSWER >>> white curds that can be wiped off lightly with gauze MRSA - CORRECT ANSWER >>> methicillin resistant staphylococcus aureus
what antibiotic is used to treat MRSA - CORRECT ANSWER >>> vancomycin +bactrim and Septra what side of instrument is placed on the stone for sharpening? a: back b: terminal shank c: junction of face and lateral surfaced d: junction of back and lateral surface - CORRECT ANSWER >>> c: junction of face and lateral surface thyroid collar for pan radiograph? - CORRECT ANSWER >>> no! if patient is not allergic to penicillin and has infectious endocarditis, what premed should be used a: penicillin 2 grams b: amoxicillin 2 grams c: clindamycin 500 mg - CORRECT ANSWER >>> b after you dismiss your patient and are transferring and processing instruments, all would apply except which? a: carry instruments in a safe container to transport b: wear gloves c: wear mask and safety goggles d: use ultrasonic machine - CORRECT ANSWER >>> c: wear mask and safety goggles photo with inflammation around a crown, the inflammation is likely due to - CORRECT ANSWER >>> poorly fitted restoration
retrocuspid papilla appears more frequently in_________- - CORRECT ANSWER >>> young children and seems to regress or disappear with age taurodontism - CORRECT ANSWER >>> body of tooth and pulp chamber is enlarged vertically when is pH level at its highest in regard to eating meals a: before a meal b: after a meal c: 4 hours after a meal d: pH is not changed with meals - CORRECT ANSWER >>> b: after a meal digital film is a: faster than D speed film b: same as F or D speed film c: faster than F speed film d: slightly slower than F speed film - CORRECT ANSWER >>> c: faster than f speed film edentulous patient with big ulcer on palate is due to irritation or apthous ulcer? - CORRECT ANSWER >>> irritation superimposition of a radiograph - CORRECT ANSWER >>> same as double exposure. results when men 2 images appear superimposed onto each other bc it has been exposed twice oblique ridge on maxillary first molar - CORRECT ANSWER >>> runs from DB cusp to ML cusp penumbra - CORRECT ANSWER >>> blurred edge to an image
how often to patients need to sign HIPPA form a: every year b: every 3 years c: every 5 years d: just once - CORRECT ANSWER >>> d: just once but must be provided copies of it every 3 years what is not caused by tongue piercing? a: bacteremia b: fractured tooth c: trigeminal neuralgia d: recession - CORRECT ANSWER >>> a: bacteremia best way to sharpen an instrument to preserve the blade? a: sharpen the whole lateral surface b: honing c: dry stone d: water with stone - CORRECT ANSWER >>> d: water with stone what would you not use for heavy deposits? a: sickle b: graceys c: ultrasonic scaler d: piezo scaler - CORRECT ANSWER >>> b: graceys. they are considered for fine scaling if you see a photo of something in the mouth that can't be wiped off, its most likely
is heart rate fast or slow for hypoglycemia? - CORRECT ANSWER >>> fast pulse, dizziness and fast heart rate hypoglycemia - CORRECT ANSWER >>> abnormally low blood sugar usually resulting from excessive insulin or a poor diet where would you use a gray instrument with a short shank? - CORRECT ANSWER >>> shallow pockets most important item for decay is - CORRECT ANSWER >>> acid! not sugar mesenchyme gives rise to all but - CORRECT ANSWER >>> enamel mesenchyme - CORRECT ANSWER >>> lacunae are located where - CORRECT ANSWER >>> compact bone drug of choice for people who are on coumadin (warfarin) **- CORRECT ANSWER
** acetaminophen (no platelet effect) #8-9 and 1st molars eruption age - CORRECT ANSWER >>> 6 - 8 years lower permanent canines eruption age - CORRECT ANSWER >>> 9 - 10 years permanent maxillary canines erupt at what age - CORRECT ANSWER >>> 11 - 12 premolars erupt at what age - CORRECT ANSWER >>> 10 - 12 years
3rd molars at what age - CORRECT ANSWER >>> 17 - 21 years vitamin C deals with - CORRECT ANSWER >>> connective tissues. collagen formation. aids in iron absorption pernicious anemia is related to vitamin - CORRECT ANSWER >>> b best proof of destruction of tissues - CORRECT ANSWER >>> attachment loss columbia blade to terminal shank is what degree - CORRECT ANSWER >>> 90 does chlorhexidine have high substantivity? - CORRECT ANSWER >>> yes how does desensitizing agent work - CORRECT ANSWER >>> sensitive toothpastes work by either occluding exposed dentinal tubules or by desensitizing the nerve endings in the tubules with potassium ions keratizined tissue in mouth is - CORRECT ANSWER >>> gingiva and hard palate large pulp and pink appearance means - CORRECT ANSWER >>> internal resorption how does sensitivity of teeth reduce over time - CORRECT ANSWER >>> hardening/sclerosis whats in pulp? - CORRECT ANSWER >>> fibro, blood vessels, lymphatic channels, nerves and connective tissue
PSR code 2 - CORRECT ANSWER >>> only difference is supra/sub calc and/or defective margins PSR code 3 - CORRECT ANSWER >>> color code partially visible indicate probing depth between 3.5-5.5 mm PSR code 4 - CORRECT ANSWER >>> color code not visible probing depth >5.5mm PSR code * added to number - CORRECT ANSWER >>> involves furcations, mobility, mucogingival problems, recession into colored area of probe if code 0,1,2 in all sextants - CORRECT ANSWER >>> no further documentation code 3 in one sextant - CORRECT ANSWER >>> perio assessment of that sextant code 3 in 2 or more sextants - CORRECT ANSWER >>> perio assessment of entire mouth code 4 in 1 or more sextants - CORRECT ANSWER >>> perio assessment of entire mouth picture of lesion on buccal by molars a)papilloma b) traumatic fibroma - CORRECT ANSWER >>> b: traumatic fibroma. picture of lesion on palate. if lesion has grey area: caused by - CORRECT ANSWER >>> trauma
picture of lesion on palate with red margins, no grey areas, caused by **- CORRECT ANSWER
** syphilis picture of radiopacity apical to root on radiograph - CORRECT ANSWER >>> if cementoma is option, that is correct, ** hardening/sclerosis whats in pulp? - CORRECT ANSWER >>> fibro, blood vessels, lymphatic channels, nerves and connective tissue PSR code 2 - CORRECT ANSWER >>> only difference is supra/sub calc and/or defective margins PSR code 3 - CORRECT ANSWER >>> color code partially visible indicate probing depth between 3.5-5.5 mm PSR code 4 - CORRECT ANSWER >>> color code not visible probing depth >5.5mm PSR code * added to number - CORRECT ANSWER >>> involves furcations, mobility, mucogingival problems, recession into colored area of probe if code 0,1,2 in all sextants - CORRECT ANSWER >>> no further documentation code 3 in one sextant - CORRECT ANSWER >>> perio assessment of that sextant code 3 in 2 or more sextants - CORRECT ANSWER >>> perio assessment of entire mouth code 4 in 1 or more sextants - CORRECT ANSWER >>> perio assessment of entire mouth picture of lesion on buccal by molars a)papilloma b) traumatic fibroma - CORRECT ANSWER >>> b: traumatic fibroma. picture of lesion on palate. if lesion has grey area: caused by - CORRECT ANSWER >>> trauma picture of lesion on palate with red margins, no grey areas, caused by - CORRECT ANSWER >>> syphilis picture of radiopacity apical to root on radiograph - CORRECT ANSWER >>> if cementoma is option, that is correct, if periapical cemento-osseous dysplasia is option, that's correct do all of the following for patient with COPD EXCEPT a: trendelenburg position b: avoid aerosols c: give frequent breaks d: schedule short appointments - CORRECT ANSWER >>> a: trendelenburg position Bell's Palsy patient has difficulty: a: swallowing b: closing eyes - CORRECT ANSWER >>> b: closing eyes how long should sodium fluoride application last? a: 1 min b: 2 min c: 3 min d: 4 min - CORRECT ANSWER >>> d: 4 minutes what effect do acidulated phosphate fluoride have - CORRECT ANSWER >>> etches restorations, causing surface roughening or pitting.
