A medical student is in a class about specimen analysis. The instructor asks how a lab technician should look for a viral infection in a patient, and the student answers that molecular testing might be helpful. Which would be the best response from the instructor?
“That is incorrect because molecular testing looks at bacteria and not viruses.”
“That is correct because molecular testing is very sensitive and can detect even the tiniest organisms, such as viruses.”
“That is incorrect because molecular testing analyzes a person’s own DNA and does not look at viruses.”
“That is correct because molecular testing can detect viruses and bacteria using molecules made by the immune system.”

When a person undergoes root canal treatment or another endodontic treatment: [select all that apply] a.) the inside of the tooth is carefully cleaned and disinfected. b.) air is forced into the canal to stop bleeding. c.) the inflamed/infected pulp is removed. d.) the inside of the tooth is filled and sealed with a rubber-like material called gutta-percha

Dementia is most commonly associated with what?

Mrs. kirby, 58, is a moderately active woman. she works in the garden almost daily, occasionally walks with her friends, and babysits her three very active young grandchildren every weekend. she eats a fairly standard diet every day: she has cereal with milk and coffee for breakfast, some kind of salad for lunch, and a piece of meat or fish with a healthy of veggies for dinner. she usually skips desserts or has just a couple of strawberries. when asked to look at the food labels and calculate her intake of carbohydrates, fats, and proteins in grams over the entire day, on an average day, she came up with the following numbers: carbohydrates: 243 g fats: 41 g proteins: 63 g calculate what percentage of mrs. kirby's total energy intake came from carbohydrates.