NURS502 MIDTERM EXAM 200+ QUESTIONS &
CORRECT ANSWERS LATEST 2025
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 - ANSWER-Fluoride treatments
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 - ANSWER-Enlarged pockets at the gum base
Which of the following is the least common site for the development of oral
cancer?
The tongue
,Floor of mouth
Hard palate
Lower lip - ANSWER-Hard palate
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 - ANSWER-Low sugar diet
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 undergoing
orthodontic appliance adjustment. - ANSWER-A 64-year-old man with a prosthetic
mitral valve who is undergoing a tooth extraction.
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 - ANSWER-Root caries
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. -
ANSWER-Xerostomia is rarely a problem for patients wearing complete dentures.
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 - ANSWER-Trauma
, 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 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:
The aging process
Antihypertensive medications
Alcohol use
Head and neck radiation
Sedative medications - ANSWER-The aging process
Mrs. Pederson's active medical problems include Hypertension, Type 2 Diabetes
Mellitus, and Glaucoma. Her past history is remarkable for treated thyroid cancer,
seasonal allergies, and intermittent insomnia. She smoked when she was younger,
but quit 30 years ago. She is widowed and a retired administrative assistant. She
enjoys a glass of wine about five times a week with dinner and walks daily for
exercise.
Her medications include:
- lisinopril/HCTZ 10/25 mg orally once daily
- metformin 1000 mg orally twice daily
- aspirin 81 mg orally once daily
- zolpidem 10 mg orally at bedtime approximately twice per week
CORRECT ANSWERS LATEST 2025
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 - ANSWER-Fluoride treatments
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 - ANSWER-Enlarged pockets at the gum base
Which of the following is the least common site for the development of oral
cancer?
The tongue
,Floor of mouth
Hard palate
Lower lip - ANSWER-Hard palate
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 - ANSWER-Low sugar diet
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 undergoing
orthodontic appliance adjustment. - ANSWER-A 64-year-old man with a prosthetic
mitral valve who is undergoing a tooth extraction.
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 - ANSWER-Root caries
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. -
ANSWER-Xerostomia is rarely a problem for patients wearing complete dentures.
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 - ANSWER-Trauma
, 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 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:
The aging process
Antihypertensive medications
Alcohol use
Head and neck radiation
Sedative medications - ANSWER-The aging process
Mrs. Pederson's active medical problems include Hypertension, Type 2 Diabetes
Mellitus, and Glaucoma. Her past history is remarkable for treated thyroid cancer,
seasonal allergies, and intermittent insomnia. She smoked when she was younger,
but quit 30 years ago. She is widowed and a retired administrative assistant. She
enjoys a glass of wine about five times a week with dinner and walks daily for
exercise.
Her medications include:
- lisinopril/HCTZ 10/25 mg orally once daily
- metformin 1000 mg orally twice daily
- aspirin 81 mg orally once daily
- zolpidem 10 mg orally at bedtime approximately twice per week