Peristalsis mixes food with digestive enzymes in small segments of the alimentary canal.

An extremely common cause of adverse drug reactions in the elderly population is due to which of the following? 

Concerned parents of a child admitted with pneumonia ask the nurse several questions. They inquire about what makes children so sensitive to medications. The nurse’s best response would be that drug sensitivity in children is a result of which of the following?

A nurse is providing patient education to the community regarding medication compliance. The nurse is correct to state that the factors affecting adherence to a drug regimen are which of the following? Select all that apply. 

You are to administer the medication Propranolol to your patient with generalized anxiety disorder. A patient with which of the following diagnoses would require increased caution and assessment when administering this medication? 

An RN at an inpatient mental health facility is preparing to give morning medications to a 44 year-old patient who’s post-partial gastrectomy and struggling with ongoing alcohol addiction. Why are patient’s with malnourishment and alcohol addiction often at higher risk for drug toxicity?

Match the pharmacokinetic phase to its definition.

A patient has been prescribed atropine, an anticholinergic, for respiratory secretions. Which of the following would be a contraindication to giving this medication? 

The nurse is caring for a patient that has been prescribed nitroglycerin for chest pain. During the medication reconciliation, the nurse discovers the patient has recently taken sildenafil. The nurse knows that the concurrent use of these two medications could lead to severe hypotension. This is an example of which type of drug interaction?

Two rail cars with masses of mA = 15 Mg and          mB = 12 Mg and velocities VA=1.5 m/s, VB=0.75 m/s are colliding head-to-head as shown. After the collision they move together.(The coupling takes place in 0.8 s.) What is the speed of the cars after the collision?