National Boards Dental Hygiene Exam NBDHE Questions and Answers
National Boards Dental Hygiene Exam
NBDHE Questions and Answers
Question 1
What is the correct sequence in which an individual learns a new behavior using the
learning ladder?
-Unawareness, awareness, self-interest, involvement, action, habit
-habit, Unawareness, self-interest, awareness, involvement, action
-awareness, self-interest, involvement, Unawareness, habit, action
-Unawareness, action, self-interest, awareness, involvement, habit
Correct Answer
Unawareness, awareness, self-interest, involvement, action, habit
Question 2
Fat soluble vitamins are:
A. Found in all foods:
B. More stable than water soluble vitamins
C. Must be supplied daily
D. Cannot be stored by the body
Correct Answer
B. More stable than water soluble vitamins
Question 3
Water is mainly absorbed in the:
Large intestine
Small intestine
Pancreas
Stomach
Correct Answer
Large intestine
Page 1 of 89
, National Boards Dental Hygiene Exam NBDHE Questions and Answers
Question 4
Which of the following nutrient deficiencies is frequently found in the diet of children
in developed countries and has been associated with increased caries susceptibility?
Calcium
Zinc
Protein
Iron
Correct Answer
Iron
Question 5
Which of the following hormones lowers blood glucose?
Thyroxine
Growth Hormone
Glucagon
Epinephrine
Insulin
Correct Answer
Insulin
Question 6
In a healthy individual, if the amount of glucose in the blood exceeds the body's
immediate energy needs, then:
-Glucose will be converted to fat and stored in adipose tissue
-Glucose continues to circulate in the blood until needed by the body for energy
-Glucose will be stored as glycogen in the cell and as fatty acids
-Excess glucose will be excreted in the urine
Correct Answer
Glucose will be converted to fat and stored in adipose tissue
Page 2 of 89
, National Boards Dental Hygiene Exam NBDHE Questions and Answers
Question 7
Dairy products are good sources of all of the following nutrients, vitamins, and
minerals EXCEPT one. Which of the following is the one EXCEPTION?
Vitamin D
Calcium
Zinc
Protein
Correct Answer
Zinc
Question 8
The best counseling technique for increasing patients' involvement and responsibility
in making decisions about their oral health:
Involves listening
Involves motivation
Is directive
Involves demonstration
Correct Answer
Involves motivation
Question 9
Which of the following is an example of an essential fatty acid?
Lecithin
Tropical Oils
Oleic Acid
Linoleic Acid
Correct Answer
Linoleic Acid
Page 3 of 89
, National Boards Dental Hygiene Exam NBDHE Questions and Answers
Question 10
The functions of saliva include all of the following EXCEPT one. Which is the
EXCEPTION?
-Provides antimicrobial properties
-Provides a growth medium for bacteria
-Aids in remineralization of the tooth
-Provides a buffering capacity
-Speeds up the oral clearance of bacterial substrates
Correct Answer
-Provides a growth medium for bacteria
Question 11
Sucrose is made up of which of the following two monosaccharides?
Fructose & Galactose
Glucose & Galactose
Fructose & Glucose
Glucose & Glucose
Correct Answer
Fructose & Glucose
Glucose & Glucose= Maltose
Glucose & Galactose= Lactose
Fructose & Galactose= do not make up a disaccaride
Question 12
A normal fasting glucose levels is?
80-120 mg/DL
>200 mg/DL
40-60 mg/DL
150-200 mg/DL
Correct Answer
80-120 mg/DL
Page 4 of 89
National Boards Dental Hygiene Exam
NBDHE Questions and Answers
Question 1
What is the correct sequence in which an individual learns a new behavior using the
learning ladder?
-Unawareness, awareness, self-interest, involvement, action, habit
-habit, Unawareness, self-interest, awareness, involvement, action
-awareness, self-interest, involvement, Unawareness, habit, action
-Unawareness, action, self-interest, awareness, involvement, habit
Correct Answer
Unawareness, awareness, self-interest, involvement, action, habit
Question 2
Fat soluble vitamins are:
A. Found in all foods:
B. More stable than water soluble vitamins
C. Must be supplied daily
D. Cannot be stored by the body
Correct Answer
B. More stable than water soluble vitamins
Question 3
Water is mainly absorbed in the:
Large intestine
Small intestine
Pancreas
Stomach
Correct Answer
Large intestine
Page 1 of 89
, National Boards Dental Hygiene Exam NBDHE Questions and Answers
Question 4
Which of the following nutrient deficiencies is frequently found in the diet of children
in developed countries and has been associated with increased caries susceptibility?
Calcium
Zinc
Protein
Iron
Correct Answer
Iron
Question 5
Which of the following hormones lowers blood glucose?
Thyroxine
Growth Hormone
Glucagon
Epinephrine
Insulin
Correct Answer
Insulin
Question 6
In a healthy individual, if the amount of glucose in the blood exceeds the body's
immediate energy needs, then:
-Glucose will be converted to fat and stored in adipose tissue
-Glucose continues to circulate in the blood until needed by the body for energy
-Glucose will be stored as glycogen in the cell and as fatty acids
-Excess glucose will be excreted in the urine
Correct Answer
Glucose will be converted to fat and stored in adipose tissue
Page 2 of 89
, National Boards Dental Hygiene Exam NBDHE Questions and Answers
Question 7
Dairy products are good sources of all of the following nutrients, vitamins, and
minerals EXCEPT one. Which of the following is the one EXCEPTION?
Vitamin D
Calcium
Zinc
Protein
Correct Answer
Zinc
Question 8
The best counseling technique for increasing patients' involvement and responsibility
in making decisions about their oral health:
Involves listening
Involves motivation
Is directive
Involves demonstration
Correct Answer
Involves motivation
Question 9
Which of the following is an example of an essential fatty acid?
Lecithin
Tropical Oils
Oleic Acid
Linoleic Acid
Correct Answer
Linoleic Acid
Page 3 of 89
, National Boards Dental Hygiene Exam NBDHE Questions and Answers
Question 10
The functions of saliva include all of the following EXCEPT one. Which is the
EXCEPTION?
-Provides antimicrobial properties
-Provides a growth medium for bacteria
-Aids in remineralization of the tooth
-Provides a buffering capacity
-Speeds up the oral clearance of bacterial substrates
Correct Answer
-Provides a growth medium for bacteria
Question 11
Sucrose is made up of which of the following two monosaccharides?
Fructose & Galactose
Glucose & Galactose
Fructose & Glucose
Glucose & Glucose
Correct Answer
Fructose & Glucose
Glucose & Glucose= Maltose
Glucose & Galactose= Lactose
Fructose & Galactose= do not make up a disaccaride
Question 12
A normal fasting glucose levels is?
80-120 mg/DL
>200 mg/DL
40-60 mg/DL
150-200 mg/DL
Correct Answer
80-120 mg/DL
Page 4 of 89