{"id":119567,"date":"2023-09-11T20:49:58","date_gmt":"2023-09-11T20:49:58","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=119567"},"modified":"2023-09-11T20:50:00","modified_gmt":"2023-09-11T20:50:00","slug":"nbdhe-practice-questions-2","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2023\/09\/11\/nbdhe-practice-questions-2\/","title":{"rendered":"NBDHE: Practice questions"},"content":{"rendered":"\n<p>As a dental amalgam restoration ages in the oral cavity, microleakage decreases because of?<br>A)fluoride release<br>B)galvanic currents<br>C)increase in surface flow<br>D)increase in edge strength<br>E)formation of corrosion product Correct Answer: E)formation of corrosion product<br>A fall in blood pressure could occur when a patient is experiencing each of the following<br>conditions EXCEPT one. Which one is the EXCEPTION?<br>A)shock<br>B)syncope<br>C)anxiety<br>D)allergic reaction<br>E)Addison&#8217;s disease Correct Answer: C)anxiety<br>Which of the following cells is most active in antibody production?<br>A)monocyte<br>B)mast cell<br>C)lymphocyte<br>D)plasma cell<br>E)polymorphonuclear leukocyte Correct Answer: D)plasma cell<br>Which of the following defects in restorations could be recontoured?<br>A)flash<br>B)fracture<br>C)open margin<br>D)undercontoured restoration<br>E)deficient proximal contact Correct Answer: A)flash<br>The etiology of myxedema is? Correct Answer: hyposecretion of the thyroid<br>Each of the following describes generalized tetracycline stain EXCEPT one. Which one is the<br>EXCEPTION?<br>A)initiated in adolescence<br>B)acquired in early childhood<br>C)considered intrinsic endogenous<br>D)acquired through fetal circulation<br>E)can be shades of green, yellow, and gray Correct Answer: A)initiated in adolescence<br><br>Each of the following describes the appearance of cervical burnout EXCEPT one. Which one is<br>the EXCEPTION?<br>A)Demonstrates lateral root edge<br>B)radiolucent on dental radiographs<br>C)has distinct rounded inner border<br>D)often confused with a root caries lesion<br>E)phenomenon of x-ray penetration of the cementoenamel junction Correct Answer: C)has<br>distinct rounded inner border<br>What type of immunity is conferred by administration of the hepatitis B vaccination?<br>A)innate<br>B)natural active<br>C)natural passive<br>D)artificially acquired active<br>E)artificially acquired passive Correct Answer: D)artificially acquired active<br>Each of the following can appear as a white-surface lesion of the oral mucosa EXCEPT one.<br>Which one is the EXCEPTION?<br>A)mucocele<br>B)lichen planus<br>C)chemical burn<br>D)solar chelitis<br>E)geographic tongue Correct Answer: A)mucocele<br>Which of the following alterations is associated with progression from a healthy gingival sulcus<br>to gingivitis?<br>A)appearance of staphylococci in the sulcus<br>B)predominance of yeasts in subgingival plaque<br>C)increase in demonstrable gram negative anaerobic rods in plaque<br>D)predominance of spirochetes in supragingival plaque<br>E)rapid toxin synthesis preceding crestal bone loss Correct Answer: C)increase in demonstrable<br>gram negative anaerobic rods in plaque<br>Which of the following represents the major advantage of using foam-based APF rather than gel<br>APF?<br>A)requires less frequent application<br>B)requires less time for application<br>C)penetrates deeper into the enamel surface<br>D)reduces risk of accidental fluoride ingestion<br>E)has superior enamel uptake of topical fluoride Correct Answer: D)reduces risk of accidental<br>fluoride ingestion<\/p>\n","protected":false},"excerpt":{"rendered":"<p>As a dental amalgam restoration ages in the oral cavity, microleakage decreases because of?A)fluoride releaseB)galvanic currentsC)increase in surface flowD)increase in edge strengthE)formation of corrosion product Correct Answer: E)formation of corrosion productA fall in blood pressure could occur when a patient is experiencing each of the followingconditions EXCEPT one. Which one is the EXCEPTION?A)shockB)syncopeC)anxietyD)allergic reactionE)Addison&#8217;s disease [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-119567","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/119567","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=119567"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/119567\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=119567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=119567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=119567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}