NBDHE practice exam | Actual Questions and Answers Latest
Updated 2026/2027 (Graded A+)
•
intercellular ground substance is composed of
- ✔✔protein carbohydrate complexes
•
What RNA virus is associated with the common cold?
- ✔✔Rhinovirus
•
Which generalization is correct about proximal contact areas?
- ✔✔Anterior teeth have contact areas that are generally centered faciolingually
•
Slightly damaged tissues completely returns to its normal structure and function in which healing
process?
- ✔✔Regeneration
•
Pain sensation might be blocked from going to the central nervous system by other stimuli. This is best
explained by which theory?
- ✔✔Gate Control
•
What term refers to complete obstruction of blood flow to a particular area
- ✔✔infarction
•
The most common autopsy finding in instances of sudden death as a result of myocardial infarction is
- ✔✔coronary thrombosis
•
formation of blood clot inside a blood vessel of the heart
- ✔✔Coronary Thrombosis
•
Deep cervical nodes are distributed along what?
- ✔✔Internal jugular vein
•
What is true regarding saltatory conducti
i. - ✔✔-it involves Nodes of Ranvier
ii. -It is energy saving
iii. -It is faster
,•
Which lipoprotein contains the greatest amount of protein?
- ✔✔High density
•
What is the functional unit of Striated muscle?
- ✔✔Sarcomere
•
developmental macroglossia?
- ✔✔Myxedema
•
Characteristics of salivary glycoproteins
i. - ✔✔-Enhance binding of bacteria to tooth surfaces
ii. -Interact with calcium and phosphate in hydroxyapatite
iii. -Results from lysis of bacterial walls
•
What factors determine the position of the first permanent molar?
- ✔✔Primary arch length
•
Which characteristic of bacteria influences relative numbers in early plaque?
- ✔✔adherence to pellicle
•
What id produced in the nucleolus?
- ✔✔Ribosomal RNA
•
The two buccal roots are about the same length in
- ✔✔Perm MAX 2nd molars
•
Anticholinergic drug used to reduce airway secretions?
- ✔✔Atropine- used to decrease saliva flow for dental procedures
•
Cholinergic drug used to increase saliva flow in patients with Sjogrens Syndrome
- ✔✔Pilocarpine
•
immune system disorder characterized by dry eyes and dry mouth
- ✔✔Sjogrens syndrome
, •
Drugs that mimic the parasympathetic nervous system
- ✔✔Cholinergic
•
Drugs that block the parasympathetic nervous system
- ✔✔Anti-cholinergic
•
anti-inflammatory action of aspirin is in part due to
- ✔✔inhibition of the enzyme cyclooxygenase, which leads to the formation of
prostaglandins (that cause inflammation)
•
Guanethidine (antihypertensive) is especially prone to produce which adverse effect?
- ✔✔Depression
•
In normal blood count, which is the most numerous white blood cell?
- ✔✔Neutrophils
•
Thyroxine
- ✔✔Also called thryoid hormone, thyroxine is produced and secreted by follicle cells in the
thyroid gland. it targets all cells in the body and increases overall body metabolism.
•
Which primary teeth are the first to erupt?
- ✔✔Mand centrals
•
Max centrals/ Mand laterals
- ✔✔7yrs
•
Max lateral
- ✔✔8yrs
•
Max Canine/ Md 2nd PM and 2molar
- ✔✔11 yrs
•
Mx 1st and 2nd PM
Md 1st PM
- ✔✔10yrs
Updated 2026/2027 (Graded A+)
•
intercellular ground substance is composed of
- ✔✔protein carbohydrate complexes
•
What RNA virus is associated with the common cold?
- ✔✔Rhinovirus
•
Which generalization is correct about proximal contact areas?
- ✔✔Anterior teeth have contact areas that are generally centered faciolingually
•
Slightly damaged tissues completely returns to its normal structure and function in which healing
process?
- ✔✔Regeneration
•
Pain sensation might be blocked from going to the central nervous system by other stimuli. This is best
explained by which theory?
- ✔✔Gate Control
•
What term refers to complete obstruction of blood flow to a particular area
- ✔✔infarction
•
The most common autopsy finding in instances of sudden death as a result of myocardial infarction is
- ✔✔coronary thrombosis
•
formation of blood clot inside a blood vessel of the heart
- ✔✔Coronary Thrombosis
•
Deep cervical nodes are distributed along what?
- ✔✔Internal jugular vein
•
What is true regarding saltatory conducti
i. - ✔✔-it involves Nodes of Ranvier
ii. -It is energy saving
iii. -It is faster
,•
Which lipoprotein contains the greatest amount of protein?
- ✔✔High density
•
What is the functional unit of Striated muscle?
- ✔✔Sarcomere
•
developmental macroglossia?
- ✔✔Myxedema
•
Characteristics of salivary glycoproteins
i. - ✔✔-Enhance binding of bacteria to tooth surfaces
ii. -Interact with calcium and phosphate in hydroxyapatite
iii. -Results from lysis of bacterial walls
•
What factors determine the position of the first permanent molar?
- ✔✔Primary arch length
•
Which characteristic of bacteria influences relative numbers in early plaque?
- ✔✔adherence to pellicle
•
What id produced in the nucleolus?
- ✔✔Ribosomal RNA
•
The two buccal roots are about the same length in
- ✔✔Perm MAX 2nd molars
•
Anticholinergic drug used to reduce airway secretions?
- ✔✔Atropine- used to decrease saliva flow for dental procedures
•
Cholinergic drug used to increase saliva flow in patients with Sjogrens Syndrome
- ✔✔Pilocarpine
•
immune system disorder characterized by dry eyes and dry mouth
- ✔✔Sjogrens syndrome
, •
Drugs that mimic the parasympathetic nervous system
- ✔✔Cholinergic
•
Drugs that block the parasympathetic nervous system
- ✔✔Anti-cholinergic
•
anti-inflammatory action of aspirin is in part due to
- ✔✔inhibition of the enzyme cyclooxygenase, which leads to the formation of
prostaglandins (that cause inflammation)
•
Guanethidine (antihypertensive) is especially prone to produce which adverse effect?
- ✔✔Depression
•
In normal blood count, which is the most numerous white blood cell?
- ✔✔Neutrophils
•
Thyroxine
- ✔✔Also called thryoid hormone, thyroxine is produced and secreted by follicle cells in the
thyroid gland. it targets all cells in the body and increases overall body metabolism.
•
Which primary teeth are the first to erupt?
- ✔✔Mand centrals
•
Max centrals/ Mand laterals
- ✔✔7yrs
•
Max lateral
- ✔✔8yrs
•
Max Canine/ Md 2nd PM and 2molar
- ✔✔11 yrs
•
Mx 1st and 2nd PM
Md 1st PM
- ✔✔10yrs
