NBDHE practice test questions with
correct answers
Which |is |the |functional |unit |of |striated |muscle?
A. |A |band
B. |I |band
C. |H |Zone
D. |Sarcomere |- |ANSWERS✔✔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 |- |ANSWERS✔✔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 |- |ANSWERS✔✔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 |- |ANSWERS✔✔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 |- |ANSWERS✔✔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 |- |ANSWERS✔✔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 |- |ANSWERS✔✔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 |- |ANSWERS✔✔D. |Select |agent |with |
broadest |spectrum |if |activity
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 |- |ANSWERS✔✔C. |production |of |thyroid
|stimulating |hormone |by |the |pituitary |gland
Which |is |correct |concerning |the |primitive |groove?
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 |- |ANSWERS✔✔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 |- |ANSWERS✔✔B. |Attrition
Which |characteristic |of |bacteria |influences |relative |numbers |in |early |plaque?
A. |adherence |to |pellicle
B. |formation |of |bacterial |coaggregations
correct answers
Which |is |the |functional |unit |of |striated |muscle?
A. |A |band
B. |I |band
C. |H |Zone
D. |Sarcomere |- |ANSWERS✔✔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 |- |ANSWERS✔✔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 |- |ANSWERS✔✔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 |- |ANSWERS✔✔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 |- |ANSWERS✔✔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 |- |ANSWERS✔✔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 |- |ANSWERS✔✔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 |- |ANSWERS✔✔D. |Select |agent |with |
broadest |spectrum |if |activity
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 |- |ANSWERS✔✔C. |production |of |thyroid
|stimulating |hormone |by |the |pituitary |gland
Which |is |correct |concerning |the |primitive |groove?
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 |- |ANSWERS✔✔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 |- |ANSWERS✔✔B. |Attrition
Which |characteristic |of |bacteria |influences |relative |numbers |in |early |plaque?
A. |adherence |to |pellicle
B. |formation |of |bacterial |coaggregations
