NBDE PART I REMEMBERED QUESTIONS 1
EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST ALREADY
GRADED A+ 2026
What medication can cause gum enlargement? - ANSWERS-
Dilantin (phenytoin)
Stenson's duct is located near which tooth? - ANSWERS-
Maxillary 1st molar
What is the most important target of cAMP? - ANSWERS-
Protein kinase A
When dietary carbohydrate is in short supply what does
glucagon do? - ANSWERS-Activates adenylate cyclase in the
adipocyte plasam membrane which raising the intracellular
concentration of cAMP. It then pp-regulates the blood
glucose level by acting through cAMP
,The presence of anterior mamelons in an adult is indicative
of what? - ANSWERS-Anterior open bite/malocclusion
Do canines have mamelons? - ANSWERS-NO!
There is a diabetic firefighter with a bad upper left bridge
and is looking to replace with implants. When placing
implants into bone what epithelium is encountered? -
ANSWERS-Pseudostratified ciliated columnar
If a patient wants an implant, but it is too close to the sinus
what ethics are involved? - ANSWERS-Non-maleficence and
autonomy
Nitroglycerin was administered and the pain went away,
what condition is this? - ANSWERS-Angina pectoris
What is transduction? - ANSWERS-Transfer of genetic
material from virus into bacteria
What is essential HTN? - ANSWERS-CO is raised early in the
disease with normal TPR. Over time CO drops to normal, but
,TPR is increased. This can be from 1) overactive renin-
angiotensin system which leads to vasoconstriction and
retention of sodium and water. The increase in blood
volume leads to HTN 2) overactive sympathetic nervous
system which leads to increased stress responses
What does streptomycin inhibit? - ANSWERS-Bacterial
protein production (translation)
What type of antibiotic is streptomycin? - ANSWERS-
Aminoglycoside
What is the cause of brown and grey tooth discoloration? -
ANSWERS-Tetracycline before the age of 2
What color does minocycline cause the teeth to turn? -
ANSWERS-Grey and BLUE
What is the Granular layer of Tomes? - ANSWERS-It is
located within dentin located at the root of the tooth
beneath the dentinocemental junction
, What structure pierces the buccinator muscle? - ANSWERS-
Parotid gland DUCT
What type of collagen is present in the PDL? - ANSWERS-
Type I (mainly)
Type III and V
When are alveoli most negative? - ANSWERS-At the
beginning of inhalation
What muscles abduct the scapula? - ANSWERS-Serratus
anterior
Pectoralis
What muscles retract the scapula? - ANSWERS-Trapezius
Rhomboids
Where do the globular heads of C1q exclusively bind to? -
ANSWERS-CH2 domain of IgG
CH3 domain of IgM
EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST ALREADY
GRADED A+ 2026
What medication can cause gum enlargement? - ANSWERS-
Dilantin (phenytoin)
Stenson's duct is located near which tooth? - ANSWERS-
Maxillary 1st molar
What is the most important target of cAMP? - ANSWERS-
Protein kinase A
When dietary carbohydrate is in short supply what does
glucagon do? - ANSWERS-Activates adenylate cyclase in the
adipocyte plasam membrane which raising the intracellular
concentration of cAMP. It then pp-regulates the blood
glucose level by acting through cAMP
,The presence of anterior mamelons in an adult is indicative
of what? - ANSWERS-Anterior open bite/malocclusion
Do canines have mamelons? - ANSWERS-NO!
There is a diabetic firefighter with a bad upper left bridge
and is looking to replace with implants. When placing
implants into bone what epithelium is encountered? -
ANSWERS-Pseudostratified ciliated columnar
If a patient wants an implant, but it is too close to the sinus
what ethics are involved? - ANSWERS-Non-maleficence and
autonomy
Nitroglycerin was administered and the pain went away,
what condition is this? - ANSWERS-Angina pectoris
What is transduction? - ANSWERS-Transfer of genetic
material from virus into bacteria
What is essential HTN? - ANSWERS-CO is raised early in the
disease with normal TPR. Over time CO drops to normal, but
,TPR is increased. This can be from 1) overactive renin-
angiotensin system which leads to vasoconstriction and
retention of sodium and water. The increase in blood
volume leads to HTN 2) overactive sympathetic nervous
system which leads to increased stress responses
What does streptomycin inhibit? - ANSWERS-Bacterial
protein production (translation)
What type of antibiotic is streptomycin? - ANSWERS-
Aminoglycoside
What is the cause of brown and grey tooth discoloration? -
ANSWERS-Tetracycline before the age of 2
What color does minocycline cause the teeth to turn? -
ANSWERS-Grey and BLUE
What is the Granular layer of Tomes? - ANSWERS-It is
located within dentin located at the root of the tooth
beneath the dentinocemental junction
, What structure pierces the buccinator muscle? - ANSWERS-
Parotid gland DUCT
What type of collagen is present in the PDL? - ANSWERS-
Type I (mainly)
Type III and V
When are alveoli most negative? - ANSWERS-At the
beginning of inhalation
What muscles abduct the scapula? - ANSWERS-Serratus
anterior
Pectoralis
What muscles retract the scapula? - ANSWERS-Trapezius
Rhomboids
Where do the globular heads of C1q exclusively bind to? -
ANSWERS-CH2 domain of IgG
CH3 domain of IgM
