NBDHE Practice Test Exam Questions
& Answers (Grade A+)
Which is the functional unit of striated muscle?
A. A band
B. I band
C. H Zone
D. Sarcomere -
correct answer ✅D. Sarcomere
Slightly damaged tissue completely returns to its normal structure
and function in which healing process?
A. Primary intention
B. Regeneration
C. Repair
D. Secondary intention -
correct answer ✅B. Regeneration
The two buccal roots are normally about the same length in:
A. The maxillary first molars only
B. the maxillary second molars only
C. the maxillary third molars only
,NBDHE Practice Test Exam Questions
& Answers (Grade A+)
D. both maxillary first and second molars -
correct answer ✅B. the maxillary second molars only
In a normal differential blood count, which is the most numerous
white blood cell?
A. Basophils
B. Lymphocytes
C. Monocytes
D. Neutrophils -
correct answer ✅D. Neutrophils
The most common autopsy finding in instances of sudden death as
a result of myocardial infarction is:
A. aneurysm of the heart wall
B. coronary thrombosis
C. fibrous pericarditis
D. valvular prolapse -
correct answer ✅B. coronary thrombosis
Which is not a characteristic of salivary glycoproteins?
A. block binding of bacteria to pellicle
,NBDHE Practice Test Exam Questions
& Answers (Grade A+)
B. enhance binding of bacteria to tooth surfaces
C. interact with calcium and phosphate in hydroxyapatite
D. result from lysis of bacterial cell walls -
correct answer ✅B. enhance binding of bacteria to tooth surfaces
Each of the following statements is correct regarding saltatory
conduction except one. What is the exception?
A. it involves the nodes of Ranvier
B. it is associated with unmyelinated axons
C. it is energy saving
D. it is faster -
correct answer ✅B. It is associated with unmyelinated axons
Each of the following is a rule for antibiotic selection when
managing an oral infection except one. Which is the exception?
A. debride infectious debris
B. provide effective environment for host immune response
C. select agent to which infecting organism is susceptible
D. select agent with broadest spectrum of activity -
correct answer ✅D. Select agent with broadest spectrum if activity
, NBDHE Practice Test Exam Questions
& Answers (Grade A+)
Thyroxine increases each of the following except one. Which is the
exception?
A. metabolic rate and heart production
B. oxygen consumption, breathing, and cardiac output
C. production of thyroid stimulating hormone by the pituitary gland
D. protein synthesis and enzyme production by cells -
correct answer ✅C. production of thyroid stimulating hormone by
the pituitary gland
Which is correct concerning the primitive groove?
A. assists in the formation of trilaminar germ disc
B. located on the endoderm
C. located on the mesoderm
D. precursor of the bilaminar germ disk -
correct answer ✅D. precursor of the bilaminar germ disk
Which is a pathologic wearing away of tooth structure through
some abnormal mechanical process?
A. Abrasion
B. Attrition
C. Bruxism
& Answers (Grade A+)
Which is the functional unit of striated muscle?
A. A band
B. I band
C. H Zone
D. Sarcomere -
correct answer ✅D. Sarcomere
Slightly damaged tissue completely returns to its normal structure
and function in which healing process?
A. Primary intention
B. Regeneration
C. Repair
D. Secondary intention -
correct answer ✅B. Regeneration
The two buccal roots are normally about the same length in:
A. The maxillary first molars only
B. the maxillary second molars only
C. the maxillary third molars only
,NBDHE Practice Test Exam Questions
& Answers (Grade A+)
D. both maxillary first and second molars -
correct answer ✅B. the maxillary second molars only
In a normal differential blood count, which is the most numerous
white blood cell?
A. Basophils
B. Lymphocytes
C. Monocytes
D. Neutrophils -
correct answer ✅D. Neutrophils
The most common autopsy finding in instances of sudden death as
a result of myocardial infarction is:
A. aneurysm of the heart wall
B. coronary thrombosis
C. fibrous pericarditis
D. valvular prolapse -
correct answer ✅B. coronary thrombosis
Which is not a characteristic of salivary glycoproteins?
A. block binding of bacteria to pellicle
,NBDHE Practice Test Exam Questions
& Answers (Grade A+)
B. enhance binding of bacteria to tooth surfaces
C. interact with calcium and phosphate in hydroxyapatite
D. result from lysis of bacterial cell walls -
correct answer ✅B. enhance binding of bacteria to tooth surfaces
Each of the following statements is correct regarding saltatory
conduction except one. What is the exception?
A. it involves the nodes of Ranvier
B. it is associated with unmyelinated axons
C. it is energy saving
D. it is faster -
correct answer ✅B. It is associated with unmyelinated axons
Each of the following is a rule for antibiotic selection when
managing an oral infection except one. Which is the exception?
A. debride infectious debris
B. provide effective environment for host immune response
C. select agent to which infecting organism is susceptible
D. select agent with broadest spectrum of activity -
correct answer ✅D. Select agent with broadest spectrum if activity
, NBDHE Practice Test Exam Questions
& Answers (Grade A+)
Thyroxine increases each of the following except one. Which is the
exception?
A. metabolic rate and heart production
B. oxygen consumption, breathing, and cardiac output
C. production of thyroid stimulating hormone by the pituitary gland
D. protein synthesis and enzyme production by cells -
correct answer ✅C. production of thyroid stimulating hormone by
the pituitary gland
Which is correct concerning the primitive groove?
A. assists in the formation of trilaminar germ disc
B. located on the endoderm
C. located on the mesoderm
D. precursor of the bilaminar germ disk -
correct answer ✅D. precursor of the bilaminar germ disk
Which is a pathologic wearing away of tooth structure through
some abnormal mechanical process?
A. Abrasion
B. Attrition
C. Bruxism
