Download INBDE high yield review 619 RATED AND APPROVED 100 % and more Exams Dentistry in PDF only on Docsity!
APPROVED 100 %
INBDE high yield review 619 RATED AND
APPROVED 100 %
Propranolol - ANSWER Adrenergic Antagonist
beta-Antagonist - Non-selective
Blocks beta1 and beta2 receptors
- slows down heart rate, increases peripheral resistance
*careful with diabetics because can cause hypoglycemia and contraindicated in asthmatics due to bronchoconstriction
Used for hypertension, hyperthryroidism, angina pectoris, afib, myocardial infarction, anxiety, tremors
Tooth that is most often transposed - ANSWER Maxillary canine
How many hours should you not eat before general anesthesia - ANSWER 6 hours
What is the dose for Doxycycline SDD?
20 mg twice daily for 3-9 months - ANSWER
What does Neostigmine do?
Tx for myasthenia gravis / reversible / inhibits activity of cholinesterase - ANSWER
After the tell-show-do what is the next management strategy - ANSWER Distraction
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Child suffered trauma - what is the first question you ask the parent
A. "Did the child lose consciousness?"
B. "Do you have the teeth?"
C. "When did the child last eat?"
D. "When did the injury occur?" - ANSWER A. "Did the child lose consciousness?"
Reimplantation is desired. What is the best way to protect permanent teeth after avulsion?
A. Place back into the sockets
B. Place under the tongue
C. Put in a cup of milk
D. Wrap in a wet napkin - ANSWER A. Place back into the sockets
What is the mechanism of amphotericin B
- Binding to ergosterol to create pores in fungal cell membrane
- Inhibiting folate synthesis and other functions through production of free radicals
- Binding ribosome subunits to prevent protein synthesis
- Neutralizing spores to prevent fungal reproduction - ANSWER Binding to ergosterol to create pores in fungal cell membrane
This describes how far an impression tray should extend posteriorly when making a maxillary impression for diagnostic casts
- to the uvula
- to the pterygomaxillary notches
- to the fovea palatinae
- slightly beyond tuberosity
- beyond vibrating line - ANSWER Beyond vibrating line
The most common cause of HPV is
APPROVED 100 %
dysphagia
xerostomia
perimylolysis - ANSWER perimylolysis
All of pathogen groups commonly present in cases of necrotizing ulcerative gingivitis diseases except for one
- prevotella
- haemophilus
- fusobacteria
- spirochetes - ANSWER - haemophilus = gram - bacteria that cause pneuomonia, bacteremia, and meningitis
Which of the following medications matches the description of which is least likely to cause sedation?
- diphenhydramine
- fexofenadine
- hydroxyzine
- famotidine - ANSWER Fexofenadine - second generation antihistamine that is selective to H1 and is unable to enter nervous system like diphenhydramine and hydroxyzine
What nerve passes between the medial pterygoid and the ramus of the mandible
Lingual
Buccal
Auricotemporal
Facial - ANSWER Lingual
What action must be demonstrated by an antimicrobial agent to prove clinical effectiveness for ADA approval
- Effectiveness as bactericidal agent against gram -
- Effectiveness as bactericidal agent against gram +
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- Reduction in gross plaque mass
- Reduction in disease - ANSWER - Reduction in disease
What are the three core functions of public health
- Policy development, monitoring, and assurance
- Assessment, policy development, and monitoring
- Assessment, policy development and evaluation
- Assessment, policy development, and assurance - ANSWER - Assessment, policy development, and assurance
Which ADHD medication has a mechanism of action that is not stimulating?
Disadexamfetamine
Dexymethylphenidate
Guanfacine
Dextroamphetamine - ANSWER Guanfacine
- anything that ends with "etamine or pehnidate" is a stimulant
Which rate would a researcher divide the number of disease cases by the total number of people
Prevalence
Specificity
Incidence
Odds ratio - ANSWER Prevalence
The bet way to produce a radiographic image with low contrast is by doing what
- increasing kVp
- Decreasing the filtration
- Increasing focal spot-skin distance
- Increasing the mA - ANSWER Increasing the kVp
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What kind of myopathy does multiple myeloma cause on the heart - ANSWER blood clots, pulmonary hypertension, heart failure, and irregular heartbeat (arrhythmias
What is the mechanism of albuterol - ANSWER Adrenergic agonist for beta 2 (via cAMP)
What is the mechanism of action of sartan drugs - ANSWER ARB drugs - Angiotensin II competitive receptor blockers - cause vasodilation because angiotensin II is a strong vasoconstrictor - could lead to angioedema
Hepatitis C - ANSWER RNA virus that is transmitted through contaminated blood - 1.8%
No vaccine avl
Most common blood borne pathogen
What image will provide the best visualization of the maxillary sinus
- waters
- towne
- periapical
- pantomograph
- CBCT 1`q - ANSWER CBCT - best for maxillary sinus
Waters - paranasal
What kind of file should be used if there is a loss in apical seat - ANSWER Shorter length but larger diameter
During anesthesia administration patients tongue moves in a rythmic pattern - what medication could cause this tongue movement
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Phenelzine
Haloperidol
Hydrochlorothiazide
Lisinopril
Diazepam - ANSWER Haloperidol - Tardive dyskinesia is a condition that is caused by D2 dopamine receptor agonist
Administering nitrous oxide frequently can result in
Acute narrow angle glaucoma
Deep vein thrombosis
Systemic myopathy
Peripheral neuropathy - ANSWER Peripheral neuropathy
Effect when individuals of non-fluoridated communities are exposed to fluoride in neighboring communities - ANSWER Halo effect
What is the largest division of the trigeminal nerve - ANSWER V
Patients suffering from oxygen deprivation have
Large pupils w/ light reflex
Large pupils w/o light reflex
Small pupils w/ light reflex
Small pupils w/o light reflex - ANSWER Large pupils w/o light reflex
Junction between tooth surface and crevicular epithelium is composed of
Intermediate filaments
Basal lamina like structure
Cementoid
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Diarrhea
Discoloration of teeth
Visual disturbances - ANSWER Visual disturbances
Which study design looks at disease states in the past to observe outcomes at the current point in time
- Randomized control
- Cohort
- Caseconrol
- Cross sectional - ANSWER Case control - usually retrospective
Which of the following patients cannot consent to treatment
- Incarcerated male who requires ext
- Adult with down syndrome who lives in assisted home
- Grandmoter of a 15 yr old that needs sealants
- Patient who took xanax for anxiety - ANSWER Grandmother of a 15 yr old that needs sealants because unless she is the legal guardian the child's parents make the decision
Allosteric effect of enzymatic reaction is (select all that apply)
Substance that affects enzyme activity by binding to non-active site
Subtance that binds to substrate
Competitive inhibitor
Substance that binds to active site
Noncompetitive inhibitor - ANSWER Substance that affects enzyme activity by binding to non-active site
Noncompetitive inhibitor
Muscles of facial expression are derived from the
1st pharyngeal arch
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2nd pharyngeal arch
3rd pharyngeal arch
4th pharyngeal arch
frontonasal process - ANSWER 2nd pharyngeal arch
All of the following are classic presentations of cystic fibrosis except
Poor growth
Respiratory infections
Skin nodules
Shortened life span - ANSWER Skin nodules
Which of the following can contribute to re-emergence of vaccine
Widespread education about disease
Change in disease reporting procedure
Period of decline of vaccine rates
Mutation that allows it to infect humans - ANSWER Decline in vaccine rates
Son got hit in the face with a baseball bat
The fractured fragment of tooth 7 has not been found. What is the first step?
A. Administer appropriate pulp therapy
B. Ask the parent if there was a pre-existing fracture
C. Evaluate pulpal status
D. Radiographic image of lower lip - ANSWER B. Ask the parent if there was a pre-existing fracture
Dabigatran (Pradaxa)
Which mechanism of action most likely explains the current complaint?
APPROVED 100 %
D. Unusual root shape due to late invagination of Hertwig's root sheath - ANSWER A. Larger pulp chamber due to occlusally displaced furcation
What poses the most prevalent risk of pathogen transmission in the dental office? A. Aerosals
B. Dental instruments
C. Environmental surfaces
D. Hands - ANSWER D. Hands
What trimester of pregnancy does teeth calcification begin - ANSWER 2nd trimester
What is most related to causing caries in the elderly - ANSWER Gingival recession
A necessary factor in the etiology of dental caries is
pH of saliva
Poor oral hygiene
Salivary amylase activity
Malformation of tooth structure
Activity of microorganisms - ANSWER Activity of microorganisms
The principal component of dental plaque is
Dextrans
Lactic acid
Materia alba
Polysaccarides
Microorgansms - ANSWER Microorganisms
Three essential factor in the initiation of carious lesions are
-Bacteria, polysaccharides, and enamel
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- Bacteria, suitable substrate, and susceptible tooth
- Proteolytic bacteria, easily fermentable carbohydrate - ANSWER Bacteria, suitable substrate, and susceptible tooth
What is an early colonizer in supragingival plaque
S. sanguis
S. salivarius
P. gingivalis
C. gingivalis - ANSWER S. sanguis
If incipient carious lesion was covered by a sealant the lesion would
Progress at a slow rate
Progress at a more rapid rate
Not continue to progress - ANSWER Not continue to progress
The rate of destruction in dentin is much slower in older adults than in young people because:
Change in pH of saliva with aging
Increase in intertubular organic content
Generalized dental sclerosis with aging
Decrease in sugar consumption - ANSWER Generalized dental sclerosis with aging
The reason for sealing caries into a cavity is to
- eliminate need for direct pulp cap
- produce an aeseptic field when pulp exposure is inevitable
- to allow for formation of secondary dentin before complete excavation
- produce hard surface as foundation for subsequent restoration - ANSWER to allow for formation of secondary dentin before complete excavation
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Class II
Pit and fissure
Smooth surface lesion - ANSWER Smooth surface lesion
Drug half life
4 hr half life - 94% will be gone in 16 hours
Formula t1/2=.693xvolume distribution/clearence
To improve withdraw symptoms - want a longer half life - ANSWER
PANS (peripheral nervous system drugs) - muscarinic and cholinergic
*contraindiacted in cardiac, peptic ulcer, asthma, urinary obstructions
- tx xerostomia, urinary retention, glaucoma - ANSWER
Pulp has several defense mechanisms which include what (select all that apply)
Sclerotic dentin
Interglobular dentin
Reparative dentin
Vascularity - ANSWER Sclerotic dentin
Reparative dentin
Vascularity
What is most likely to cause gingival recession - ANSWER Tooth brush abrasion
Radiographic signs of trauma may include (select all that apply)
Hypercementosis
Root resorption
Alteration of lamina dura
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Alteration of PDL
Vascular infiltration of PDL - ANSWER Hypercementosis
Root resorption
Alteration of lamina dura
Alteration of PDL
Common signs of trauma from occlusion include which of the following (select all that apply)
Mobility
Thickening of cementum
Thermal sensitivity
Sensitivity to percussion
Loss of vertical bone
Attrition of the enamel - ANSWER Mobility
Attrition of the enamel
Thermal sensitivity
Sensitivity to percussion
A practitioner wants to learn whether or not a patient understands the treatment plan, which of the following responses would MOST likely elicit this information
- Do you understand what I mean
- Do you have any questions about this approach
- What benefits and drawbacks do you see
- Is this approach ok with you - ANSWER - What benefits and drawbacks do you see
*open ended question
Patient opts for a amalgam restoration, each of the following explain why amalgam is superior EXCEPT
Wear better
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Diarrhea
Bradcardia
Blurred vision
Stomach cramping - ANSWER Blurred vision
Walking bleach technique are sodium perborate and
3% aqueous peroxide
30% aqueous peroxide
25% ethereal hydrogen peroxide
5% phosphoric acid - ANSWER 30% aqueous peroxide
When pins are included in an amalgam cavity preparation, the strength of the amalgam is:
A. Increased
B. Decreased
C. Unchanged - ANSWER B. Decreased
MO amalgam restoration is more resistant to fracture if
Occlusal dovetail is present
Axiopulpal line angle is beveled/rounded
Pins are placed into dentin
Unsupported enamel is planed - ANSWER Axiopulpal line angle is beveled/rounded
What is the optimal reduction for a lingual cusp on tooth #3 to receive an MODL onlay
1.00mm
1.50mm
2.00mm
2.50mm - ANSWER 1.50 mm
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Reduction of what is the MOST significant advantage of acid-etch technique
Microleakage
Pulpal irritation
Setting shrinkage of matrix
Coefficient of thermal expansion - ANSWER Microleakage
The dentist is using polyether material to make impressions. The physical property of this material that should concern this dentist is the
A. Coefficient of thermal conductivity.
B. Hydrophilic nature.
C. Extended setting time.
D. High modulus of elasticity. - ANSWER D. High modulus of elasticity
Which of the following is most related to turbulence of molten gold in casting process?
Venting
Volume of material
Placement of sprue
Suck back porosity
Position of the ring
Temperature of the ting - ANSWER Placement of the sprue
Which of the following properties of dental materials is time-dependent
Creep
Resilience
Elastic limit
Ultimate strength
