NBDHE practice test|2023 LATEST UPDATE|GUARANTEED SUCCESS

A. A band B. I band C. H Zone D. Sarcomere D. Sarcomere Which is the functional unit of striated muscle? A. Primary intention B. Regeneration C. Repair D. Secondary intention B. Regeneration Slightly damaged tissue completely returns to its normal structure and function in which healing process? A. Basophils B. Lymphocytes C. Monocytes D. Neutrophils D. Neutrophils In a normal differential blood count, which is the most numerous white blood cell? A. The maxillary first molars only B. the maxillary second molars only C. the maxillary third molars only D. both maxillary first and second molars B. the maxillary second molars only The two buccal roots are normally about the same length in: A. aneurysm of the heart wall B. coronary thrombosis C. fibrous pericarditis D. valvular prolapse B. coronary thrombosis The most common autopsy finding in instances of sudden death as a result of myocardial infarction is: 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 B. Protein C. Ribosomal RNA D. Transfer RNA C. Ribosomal RNA Which is produced in the nucleolus? A. Mandibular central incisors B. mandibular first molars C. maxillary central incisors D. maxillary first molars A. mandibular central incisors Which primary teeth are the first to erupt? A. external carotid artery B. internal carotid artery C. external jugular vein D. internal jugular vein D. internal jugular vein Deep cervical lymph nodes are distributed along which vessel? A. 5mL B. 30 mL C. 500 mL D. 1,000 mL B. 30 mL One fluid ounce is equal to: A. Gate control B. pattern C. perception D. specificity A. Gate control Pain sensation might be blocked from going to the central nervous system by other stimuli. This is best explained by which theory of pain? A. Aggregatibacter actinomycetemcomitans B. Campylobacter rectus C. Provotella intermedia D. Tannerella forsythia B. Campylobacter rectus Which microorganism found in periodontal pockets is motile? A. anomalies of crown formation B. appropriate use of space maintainers C. mesiodistal width of the primary incisors D. primary arch length