pg. 1
NBDHE Practice Test/ Actual Exam Questions with Correct Verified Answer/ Latest Update .
Which is the functional unit of striated muscle?
- A band
- I band
- H Zone
- Sarcomere
- Sarcomere
Slightly damaged tissue completely returns to its normal structure and function in which healing process?
- Primary intention
- Regeneration
- Repair
- Secondary intention
- Regeneration
In a normal differential blood count, which is the most numerous white blood cell?
- Basophils
- Lymphocytes
- Monocytes
- Neutrophils
- Neutrophils
The two buccal roots are normally about the same length in: 1 / 3
pg. 2
- The maxillary first molars only
- the maxillary second molars only
- the maxillary third molars only
- both maxillary first and second molars
- the maxillary second molars only
The most common autopsy finding in instances of sudden death as a result of myocardial infarction is:
- aneurysm of the heart wall
- coronary thrombosis
- fibrous pericarditis
- valvular prolapse
- coronary thrombosis
Which is not a characteristic of salivary glycoproteins?
- block binding of bacteria to pellicle
- enhance binding of bacteria to tooth surfaces
- interact with calcium and phosphate in hydroxyapatite
- result from lysis of bacterial cell walls
- enhance binding of bacteria to tooth surfaces
Each of the following statements is correct regarding saltatory conduction except one. What is the exception?
- it involves the nodes of Ranvier
- it is associated with unmyelinated axons
- it is energy saving
- it is faster
- It is associated with unmyelinated axons
- / 3
pg. 3 Each of the following is a rule for antibiotic selection when managing an oral infection except one. Which is the exception?
- debride infectious debris
- provide effective environment for host immune response
- select agent to which infecting organism is susceptible
- select agent with broadest spectrum of activity
- Select agent with broadest spectrum if activity
Thyroxine increases each of the following except one. Which is the exception?
- metabolic rate and heart production
- oxygen consumption, breathing, and cardiac output
- production of thyroid stimulating hormone by the pituitary gland
- protein synthesis and enzyme production by cells
- production of thyroid stimulating hormone by the pituitary gland
Which is correct concerning the primitive groove?
- assists in the formation of trilaminar germ disc
- located on the endoderm
- located on the mesoderm
- precursor of the bilaminar germ disk
- precursor of the bilaminar germ disk
Which is a pathologic wearing away of tooth structure through some abnormal mechanical process?
- Abrasion
- Attrition
- Bruxism
- Erosion
- Attrition
- / 3