CME Quiz

摘要

Which one of the following statements about interpretation of prothrombin time and partial thromboplastin time is correct? * A. Prothrombin time measures factors of the intrinsic pathways. * B. Partial thromboplastin time measures factors of the extrinsic pathways. * C. The combination of abnormal partial thromboplastin time and normal prothrombin time suggests factor VIII and IX deficiencies. * D. The combination of abnormal prothrombin time and normal partial thromboplastin time suggests an excess of vitamin K. Physical Activity Counseling (p. 1129) Q5. Which one of the following statements about physical activity is correct? * A. Persons who exercise at a gym are more likely to adhere to a regular physical activity plan than those who make lifestyle changes such as substituting short car rides with walking or biking. * B. Vigorous exercise needs to be sustained for at least one hour to be beneficial. * C. It is recommended that persons get at least 30 minutes of accumulated moderate-intensity exercise on five or more days each week. * D. Intensity of physical activity is more important than accumulated time spent participating in the activity. With regard to the need for intervention and potential treatment strategies, which of the following statements is/are supported by clinical evidence? * A. Severe maternal periodontal disease has been linked to oral and facial congenital malformations in the fetus. * B. Several, but not all, studies have associated maternal periodontitis with premature birth. * C. Several, but not all, studies have linked maternal periodontitis with low birth weight. * D. Deep root scaling may be safely performed on pregnant women.