NBDHE Practice Test
1. Which is the functional unit of striated muscle?
- Sarcomere
2. Slightly damaged tissue completely returns to its normal structure and function in which healing
process?
- Regeneration
3. In a normal differential blood count, which is the most numerous white blood cell?
- Neutrophils
4. The two buccal roots are normally about the same length in:
- The maxillary second molars only
5. The most common autopsy finding in instances of sudden death as a result of myocardial infarction is:
- Coronary thrombosis
If you need more information or have other questions, feel free to ask!
A. block binding of bacteria to pellicle
B. enhance binding of bacteria to tooth surfaces
C. interact with calcium and phosphate in hydroxyapatite
D. result from lysis of bacterial cell walls
B. enhance binding of bacteria to tooth surfaces ✔️Which is not a characteristic of salivary
glycoproteins?
A. it involves the nodes of Ranvier
B. it is associated with unmyelinated axons
C. it is energy saving
,D. it is faster
B. It is associated with unmyelinated axons ✔️Each of the following statements is correct regarding
saltatory conduction except one. What 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
D. Select agent with broadest spectrum if activity ✔️Each of the following is a rule for antibiotic
selection when managing an oral infection 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
C. production of thyroid stimulating hormone by the pituitary gland ✔️Thyroxine increases each of the
following except one. Which is the exception?
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
D. precursor of the bilaminar germ disk ✔️Which is correct concerning the primitive groove?
A. Abrasion
B. Attrition
, C. Bruxism
D. Erosion
B. Attrition ✔️Which is a pathologic wearing away of tooth structure through some abnormal
mechanical process?
A. adherence to pellicle
B. formation of bacterial coaggregations
C. multiplication in an aerobic environment
D. survival in an acid environment
D. adherence to pellicle ✔️Which characteristic of bacteria influences relative numbers in early plaque?
A. 0.005
B. 0.009
C. 0.018
D. 0.036
B. 0.009 ✔️How many milligrams of epinephrine is contained in a dental cartridge of prilocaine with
1:200,000 epinephrine?
A. Agranulocytosis
B. Lupus erythematosus
C. orthostatic hypotension
D. severe depression
C. orthostatic hypotension ✔️Guanethidine is especially prone to produce which adverse effect?
A. DNA
1. Which is the functional unit of striated muscle?
- Sarcomere
2. Slightly damaged tissue completely returns to its normal structure and function in which healing
process?
- Regeneration
3. In a normal differential blood count, which is the most numerous white blood cell?
- Neutrophils
4. The two buccal roots are normally about the same length in:
- The maxillary second molars only
5. The most common autopsy finding in instances of sudden death as a result of myocardial infarction is:
- Coronary thrombosis
If you need more information or have other questions, feel free to ask!
A. block binding of bacteria to pellicle
B. enhance binding of bacteria to tooth surfaces
C. interact with calcium and phosphate in hydroxyapatite
D. result from lysis of bacterial cell walls
B. enhance binding of bacteria to tooth surfaces ✔️Which is not a characteristic of salivary
glycoproteins?
A. it involves the nodes of Ranvier
B. it is associated with unmyelinated axons
C. it is energy saving
,D. it is faster
B. It is associated with unmyelinated axons ✔️Each of the following statements is correct regarding
saltatory conduction except one. What 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
D. Select agent with broadest spectrum if activity ✔️Each of the following is a rule for antibiotic
selection when managing an oral infection 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
C. production of thyroid stimulating hormone by the pituitary gland ✔️Thyroxine increases each of the
following except one. Which is the exception?
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
D. precursor of the bilaminar germ disk ✔️Which is correct concerning the primitive groove?
A. Abrasion
B. Attrition
, C. Bruxism
D. Erosion
B. Attrition ✔️Which is a pathologic wearing away of tooth structure through some abnormal
mechanical process?
A. adherence to pellicle
B. formation of bacterial coaggregations
C. multiplication in an aerobic environment
D. survival in an acid environment
D. adherence to pellicle ✔️Which characteristic of bacteria influences relative numbers in early plaque?
A. 0.005
B. 0.009
C. 0.018
D. 0.036
B. 0.009 ✔️How many milligrams of epinephrine is contained in a dental cartridge of prilocaine with
1:200,000 epinephrine?
A. Agranulocytosis
B. Lupus erythematosus
C. orthostatic hypotension
D. severe depression
C. orthostatic hypotension ✔️Guanethidine is especially prone to produce which adverse effect?
A. DNA
