NBDHE practice test all answers correc

NBDHE practice test all answers correct Which is the functional unit of striated muscle? A. A band B. I band C. H Zone D. Sarcomere 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 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 D. both maxillary first and second molars 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 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 B. coronary thrombosis Which is not a characteristic of salivary glycoproteins? 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 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 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 activity D. Select agent with broadest spectrum if 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 by the pituitary gland Which is correct concerning the primitive groove? C. production of thyroid stimulating hormone 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 a pathologic wearing away of tooth structure through some abnormal mechanical process? A. Abrasion B. Attrition C. Bruxism D. Erosion B. Attrition Which characteristic of bacteria influences relative numbers in early plaque? 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 How many milligrams of epinephrine is contained in a dental cartridge of prilocaine with 1:200,000 epinephrine? A. 0.005 B. 0.009 C. 0.018 D. 0.036 B. 0.009 Guanethidine is especially prone to produce which adverse effect? A. Agranulocytosis B. Lupus erythematosus C. orthostatic hypotension D. severe depression C. orthostatic hypotension Which is produced in the nucleolus? A. DNA B. Protein C. Ribosomal RNA D. Transfer RNA C. Ribosomal RNA Which primary teeth are the first to erupt? A. Mandibular central incisors B. mandibular first molars C. maxillary central incisors D. maxillary first molars A. mandibular central incisors Deep cervical lymph nodes are distributed along which vessel? A. external carotid artery B. internal carotid artery C. external jugular vein D. internal jugular vein D. internal jugular vein One fluid ounce is equal to: A. 5mL B. 30 mL C. 500 mL D. 1,000 mL B. 30 mL Pain sensation might be blocked from going to the central nervous system by other stimuli. This is