Article 1: Hyposalivation, Xerostomia and the Complete Denture: A Systematic Review 

1. What percentage of the U.S. population 65 years and older is estimated to have xerostomia?
Select answer A. 10 percent B. 20 percent C. 30 percent D. 40 percent

2. Approximately what percentage of the most commonly prescribed medications have been reported to cause xerostomia?
Select answer A. 20 percent B. 40 percent C. 60 percent D. 80 percent

3. Each of the following was noted as a potential cause of salivary gland hypofunction except which one?
Select answer A. antiviral drugs B. antihypertensive drugs C. antihistamine drugs D. antiseizure drugs

4. Which one of the following correctly summarizes the relationship between salivary gland secretions and maxillary denture retention?
Select answer A. strong correlation with secretion from parotid glands and palatal salivary glands B. strong correlation with secretion from parotid glands only C. strong correlation with secretion from palatal salivary glands only D. no correlation with secretions from parotid glands or palatal salivary glands

Article 2: Hypodontia as a Risk Marker for Epithelial Ovarian Cancer: A Case-Controlled Study 

1. After adjustments for age, how much more likely were subjects with epithelial ovarian cancer (EOC) to have hypodontia than were control subjects?
Select answer A. 2.3 times more likely B. 4.8 times more likely C. 6.9 times more likely D. 12.3 times more likely

2. Which of the following teeth were affected most frequently among subjects in this study?
Select answer A. maxillary first molars B. maxillary lateral incisors C. mandibular first premolars D. mandibular lateral incisors

3. What percentage of the subjects with EOC reported having a family history of hypodontia?
Select answer A. 17 percent B. 22 percent C. 29 percent D. 36 percent

4. What percentage of the subjects with EOC and hypodontia reported having a family history of ovarian cancer?
Select answer A. 24 percent B. 30 percent C. 37 percent D. 42 percent

Article 3: Comparing Diet, Oral Hygiene and Caries Status of Adult Methamphetamine Users and Nonusers: A Pilot Study 

1. What percentage of methamphetamine users reported consuming lunch regularly at the time of their peak drug usage?
Select answer A. 6 percent B. 11 percent C. 17 percent D. 21 percent

2. Which one of the following was reported most commonly by the methamphetamine users in the study?
Select answer A. consumed vegetables less than once per week B. consumed bread products less than once per week C. consumed meats and meat alternatives less than once per week D. consumed dairy products less than once per week

3. Which one of the following beverages was reported to be consumed by the largest percentage of methamphetamine users and the smallest percentage of nonusers?
Select answer A. milk B. 100 percent juice/juice drinks C. regular soda pop D. alcoholic beverages

4. What percentage of methamphetamine users had visible plaque at the time of the visual oral examination?
Select answer A. 24 percent B. 39 percent C. 62 percent D. 94 percent

Article 4: Adverse Events Associated With Chlorhexidine Use: Results From the Department of Veterans Affairs Dental Diabetes Study 

1. What percentage of patients using chlorhexidine in this study experienced adverse events?
Select answer A. 31.4 percent B. 37.8 percent C. 42.1 percent D. 49.7 percent

2. Which one of the following adverse events was reported most frequently by patients using chlorhexidine in this study?
Select answer A. sore mouth, tongue or throat B. taste changes C. wheezing and shortness of breath D. tongue tip irritation

3. Which one of the following was significantly more common among those using chlorhexidine than in the baseline comparison group?
Select answer A. itching B. sore mouth C. nasal congestion D. taste changes

4. Each of the following characteristics was reported more frequently by those who reported an adverse event than by those without an adverse event, except which one?
Select answer A. taking diabetes medications B. consuming one or more alcoholic drinks per day C. current smoker D. body mass index less than 25

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