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Which of the following medications is indicated for the palliative treatment of advanced estrogen receptor-positive breast cancer in premenopausal and postmenopausal women? (Study Guide Week 8)

Which of the following adverse effects is associated with smoking? (Study Guide Week 9)

The most common thereapy for at-home use is desensitizing toothpastes, the majority contain 5% potassium nitrate. Potassium ions are thought to diffuse along dentin tubles and decrease the excitability of intradental nerves by __________. altering their membrane potential reducing repolarization A and B none of these (Study Guide Week 10)

Vitamin __________ supplements would be useful in treating angular cheilitis/cheilosis, but only if a deficiency in these vitamins exists. (Study Guide Week 10)

Dental hygiene implications of the drug interactions of melatonin include all of the following except one. Which is the exception? (Study Guide Week 10)

Which herbal supplement products have been proven effective in protecting against plaque and gingivitis? Acemannan hydrogel (extract of aloe vera) Essential oil mouth rinse Oil of cloves (eugenol) Triclosan B and D only (Study Guide Week 10)

Unit 17: Substance Use Disorders

Physiologic dependence on a drug __________. is a state of mind in which a person believes that he or she is unable to maintainoptimal performance without having taken a drug is established by withdrawal syndrome refers to the altered physiologic state that results from constantly increasing drugconcentrations Both A and B are correct. Both B and C are correct. (Study Guide Week 10)

Which is the mechanism of action of xylitol for its antibacterial and cariostatic effects? Direct bactericidal effect on Streptococcus mutans Inhibition of the ability of S. mutans to adhere and multiply in plaque Inability to be metabolized by S. mutans as a nutrient source B and C only All of the above (Study Guide Week 10)

Which agent has a withdrawal syndrome characterized by yawning, rhinorrhea, and chills that alternate with excessive sweating? (Study Guide Week 10)