1|Page
DH209 FINAL EXAM 2026|REAL QUESTIONS AND
ANSWERS|ALREADY GRADED A+
At birth, the circumference of the head is small (microcephaly),
indicating abnormal brain capacity. This corresponds with fewer brain
cells, damaged brain function, and disorganized thought processes that
result in permanently disturbed thinking ability. Note that Fetal Alcohol
Spectrum Disorder (FASD) is a combination of irreversible birth defects
and behavioral challenges in infants and children whose mothers
consumed alcohol during pregnancy.
Tooth development begins early in the second trimester. Calcification of
deciduous teeth begins around the fourth month.
a. Both statements are true.
b. Both statements are false.
c. The first statement is true; the second is false.
d. The first statement is false; the second is true. - ANSWER -d. The first
statement is false; the second is true.
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The first statement is false; the second is true. Tooth development
begins by the sixth week of gestation. Calcification of deciduous teeth
begins about the fourth month, but it should be noted that at this time
the mandible is calcified. Also pertinent, development of more than
60% of the 52 deciduous and permanent teeth is initiated during
gestation.
A young female patient of record arrives for her scheduled recall
appointment, during which she confides in the hygienist her hopes of
starting a family soon. She also mentions her physician's concerns
regarding her weight. The dental hygienist recalls that weight
adjustment ideally should be achieved:
a. before conception.
b. after conception.
c. before labor.
d. during lactation. - ANSWER -a. before conception.
One of the most important times for prenatal care is before a pregnancy
begins. Ideally, weight adjustments of overweight or underweight
women should be achieved before conception. The Academy of
Nutrition and Dietetics and the American Society for Nutrition
recommend that all overweight and obese women of reproductive age
receive counseling by a registered dietitian before a pregnancy.
,3|Page
Most gravidas younger than 18 years old have adequate intake of
calcium and iron, but lack stores of vitamins A, D, and niacin. Most girls
this age are still growing and storing nutrients in their own bodies.
a. Both statements are true.
b. Both statements are false.
c. The first statement is true; the second is false.
d. The first statement is false; the second is true. - ANSWER -d. The first
statement is false; the second is true.
The first statement is false; the second is true. Gravidas (pregnant
women) younger than 18 can have unique problems because most
adolescent girls do not complete linear growth and achieve gynecologic
maturity until age 17. Most have inadequate intake of calcium, iron,
vitamins A and D, niacin, and kilocalories. About one in every three
teenage mothers shows signs of significant bone loss after giving birth,
but greater calcium and vitamin D consumption during pregnancy can
protect against bone loss.
The ideal time to begin taking folate to prevent neural tube defects is:
a. before conception.
b. once pregnancy begins.
c. at 6 weeks.
, 4|Page
d. upon completion of the first trimester. - ANSWER -a. before
conception.
Maternal health and fetal growth and development are affected by
nutrient intake during pregnancy and before conception. Low levels of
folic acid (folate) before pregnancy have been linked to neural tube
defects. Also pertinent, low levels of iron and folate before pregnancy
have been linked to premature births and stunted growth. The concept
of preventive care before pregnancy extends to all aspects of health.
Vitamin B6 reserves are affected by oral contraceptive agents (OCAs).
Progestins within OCAs can cause weight gain related to increased
appetite and altered carbohydrate metabolism.
a. Both statements are true.
b. Both statements are false.
c. The first statement is true; the second is false.
d. The first statement is false; the second is true. - ANSWER -a. Both
statements are true.
Both statements are true. Low levels of vitamins B6 and B12 have been
noted in women using OCAs. Note that low levels of vitamin B6 are
associated with risk for chronic inflammation. Progestins can cause
weight gain related to increased appetite and altered carbohydrate
metabolism.
DH209 FINAL EXAM 2026|REAL QUESTIONS AND
ANSWERS|ALREADY GRADED A+
At birth, the circumference of the head is small (microcephaly),
indicating abnormal brain capacity. This corresponds with fewer brain
cells, damaged brain function, and disorganized thought processes that
result in permanently disturbed thinking ability. Note that Fetal Alcohol
Spectrum Disorder (FASD) is a combination of irreversible birth defects
and behavioral challenges in infants and children whose mothers
consumed alcohol during pregnancy.
Tooth development begins early in the second trimester. Calcification of
deciduous teeth begins around the fourth month.
a. Both statements are true.
b. Both statements are false.
c. The first statement is true; the second is false.
d. The first statement is false; the second is true. - ANSWER -d. The first
statement is false; the second is true.
,2|Page
The first statement is false; the second is true. Tooth development
begins by the sixth week of gestation. Calcification of deciduous teeth
begins about the fourth month, but it should be noted that at this time
the mandible is calcified. Also pertinent, development of more than
60% of the 52 deciduous and permanent teeth is initiated during
gestation.
A young female patient of record arrives for her scheduled recall
appointment, during which she confides in the hygienist her hopes of
starting a family soon. She also mentions her physician's concerns
regarding her weight. The dental hygienist recalls that weight
adjustment ideally should be achieved:
a. before conception.
b. after conception.
c. before labor.
d. during lactation. - ANSWER -a. before conception.
One of the most important times for prenatal care is before a pregnancy
begins. Ideally, weight adjustments of overweight or underweight
women should be achieved before conception. The Academy of
Nutrition and Dietetics and the American Society for Nutrition
recommend that all overweight and obese women of reproductive age
receive counseling by a registered dietitian before a pregnancy.
,3|Page
Most gravidas younger than 18 years old have adequate intake of
calcium and iron, but lack stores of vitamins A, D, and niacin. Most girls
this age are still growing and storing nutrients in their own bodies.
a. Both statements are true.
b. Both statements are false.
c. The first statement is true; the second is false.
d. The first statement is false; the second is true. - ANSWER -d. The first
statement is false; the second is true.
The first statement is false; the second is true. Gravidas (pregnant
women) younger than 18 can have unique problems because most
adolescent girls do not complete linear growth and achieve gynecologic
maturity until age 17. Most have inadequate intake of calcium, iron,
vitamins A and D, niacin, and kilocalories. About one in every three
teenage mothers shows signs of significant bone loss after giving birth,
but greater calcium and vitamin D consumption during pregnancy can
protect against bone loss.
The ideal time to begin taking folate to prevent neural tube defects is:
a. before conception.
b. once pregnancy begins.
c. at 6 weeks.
, 4|Page
d. upon completion of the first trimester. - ANSWER -a. before
conception.
Maternal health and fetal growth and development are affected by
nutrient intake during pregnancy and before conception. Low levels of
folic acid (folate) before pregnancy have been linked to neural tube
defects. Also pertinent, low levels of iron and folate before pregnancy
have been linked to premature births and stunted growth. The concept
of preventive care before pregnancy extends to all aspects of health.
Vitamin B6 reserves are affected by oral contraceptive agents (OCAs).
Progestins within OCAs can cause weight gain related to increased
appetite and altered carbohydrate metabolism.
a. Both statements are true.
b. Both statements are false.
c. The first statement is true; the second is false.
d. The first statement is false; the second is true. - ANSWER -a. Both
statements are true.
Both statements are true. Low levels of vitamins B6 and B12 have been
noted in women using OCAs. Note that low levels of vitamin B6 are
associated with risk for chronic inflammation. Progestins can cause
weight gain related to increased appetite and altered carbohydrate
metabolism.
