NURS502 MIDTERM|240+ ACTUAL QUESTIONS &
CORRECT VERIFIED ANSWERS 2025
1. Which of the following dental procedures does NOT requires antibiotic
prophylaxis for individuals at high risk of bacterial endocarditis?
Routine fillings
Post-operative suture removal
Dental cleaning
Fluoride treatments
Orthodontic appliance adjustment ANS >> Fluoride treatments
2. Which clinical finding distinguishes periodontitis from gingivitis?
Inflammation of the gums
White discoloration of the permanent teeth
Enlarged pockets at the gum base
Gingival hypertrophy ANS >> Enlarged pockets at the gum base
3. Which of the following is the least common site for the development of oral
cancer?
The tongue
Floor of mouth
Hard palate
Lower lip ANS >> Hard palate
,4. Which of the following factors reduces the risk for caries in adults?
Low socioeconomic status
Existing tooth restoration
A vegetarian diet
Decreased salivary flow
Low sugar diet ANS >> Low sugar diet
5. Which of the following patients require bacterial endocarditis antibiotic
prophylaxis?
A 26-year-old woman with mitral valve prolapse undergoing routine teeth
cleaning with no anticipated bleeding.
A 64-year-old man with a prosthetic mitral valve who is undergoing a tooth
extraction.
A 16-year-old boy with a ventricular septal defect completely repaired in
infancy who requires extraction of an impacted wisdom tooth.
A 32-year-old man who had bacterial endocarditis 5 years ago who is under-
,going orthodontic appliance adjustment. ANS >> A 64-year-old man with a
prosthetic mitral valve who is undergoing a tooth extraction.
6. Which of the following is an abnormal tooth change not explained by aging
alone?
Gingival recession
Root caries
Yellowing of teeth
Wearing away of teeth with exposed dentin ANS >> Root caries
7. Which of the following statements concerning xerostomia, or dry mouth, is
NOT true?
Xerostomia is caused by a decrease in the production of saliva.
Xerostomia can cause a burning sensation, change in taste, and difficulty
swallowing.
Medications can contribute to the development of xerostomia.
Xerostomia increases risk for the development of caries.
Xerostomia is rarely a problem for patients wearing complete dentures. ANS >
Xe- rostomia is rarely a problem for patients wearing complete dentures.
8. Which of the following has been implicated in the development of recurrent
aphthous ulcers?
Trauma
Vitamin C deficiency
Sickle Cell Anemia
Herpes simplex virus infection ANS >> Trauma
9. Mrs. Pederson is a 74 year old who presents for a routine blood pressure
follow up visit. Her blood pressure is well controlled, but on review of systems
3 B/ B
146
, she reports dry mouth of several years duration that has acutely worsened
over the past 2 months. She quit smoking after she developed thyroid cancer
that required surgery and neck radiation for cure. She has been drinking more
water than usual, but it only improves her symptoms for a few minutes. She
drinks wine with dinner and sometimes before bed for insomnia.
All of the following are likely contributing to Mrs. Pederson's xerostomia (the
sensation of dry mouth) except ANS >>
The aging process
Antihypertensive medications
Alcohol use
4 B/ B
146
CORRECT VERIFIED ANSWERS 2025
1. Which of the following dental procedures does NOT requires antibiotic
prophylaxis for individuals at high risk of bacterial endocarditis?
Routine fillings
Post-operative suture removal
Dental cleaning
Fluoride treatments
Orthodontic appliance adjustment ANS >> Fluoride treatments
2. Which clinical finding distinguishes periodontitis from gingivitis?
Inflammation of the gums
White discoloration of the permanent teeth
Enlarged pockets at the gum base
Gingival hypertrophy ANS >> Enlarged pockets at the gum base
3. Which of the following is the least common site for the development of oral
cancer?
The tongue
Floor of mouth
Hard palate
Lower lip ANS >> Hard palate
,4. Which of the following factors reduces the risk for caries in adults?
Low socioeconomic status
Existing tooth restoration
A vegetarian diet
Decreased salivary flow
Low sugar diet ANS >> Low sugar diet
5. Which of the following patients require bacterial endocarditis antibiotic
prophylaxis?
A 26-year-old woman with mitral valve prolapse undergoing routine teeth
cleaning with no anticipated bleeding.
A 64-year-old man with a prosthetic mitral valve who is undergoing a tooth
extraction.
A 16-year-old boy with a ventricular septal defect completely repaired in
infancy who requires extraction of an impacted wisdom tooth.
A 32-year-old man who had bacterial endocarditis 5 years ago who is under-
,going orthodontic appliance adjustment. ANS >> A 64-year-old man with a
prosthetic mitral valve who is undergoing a tooth extraction.
6. Which of the following is an abnormal tooth change not explained by aging
alone?
Gingival recession
Root caries
Yellowing of teeth
Wearing away of teeth with exposed dentin ANS >> Root caries
7. Which of the following statements concerning xerostomia, or dry mouth, is
NOT true?
Xerostomia is caused by a decrease in the production of saliva.
Xerostomia can cause a burning sensation, change in taste, and difficulty
swallowing.
Medications can contribute to the development of xerostomia.
Xerostomia increases risk for the development of caries.
Xerostomia is rarely a problem for patients wearing complete dentures. ANS >
Xe- rostomia is rarely a problem for patients wearing complete dentures.
8. Which of the following has been implicated in the development of recurrent
aphthous ulcers?
Trauma
Vitamin C deficiency
Sickle Cell Anemia
Herpes simplex virus infection ANS >> Trauma
9. Mrs. Pederson is a 74 year old who presents for a routine blood pressure
follow up visit. Her blood pressure is well controlled, but on review of systems
3 B/ B
146
, she reports dry mouth of several years duration that has acutely worsened
over the past 2 months. She quit smoking after she developed thyroid cancer
that required surgery and neck radiation for cure. She has been drinking more
water than usual, but it only improves her symptoms for a few minutes. She
drinks wine with dinner and sometimes before bed for insomnia.
All of the following are likely contributing to Mrs. Pederson's xerostomia (the
sensation of dry mouth) except ANS >>
The aging process
Antihypertensive medications
Alcohol use
4 B/ B
146
