The vitamin necessary for formation of intracellular substances such as collagen is vitamin ____.

Martin administers an injection into the fatty layer of tissue below the skin by positioning the needle and syringe at a 45-degree angle from the skin. What type of injection is this?

While helping her friend move into a third floor walk-up, Elisabeth experiences painful muscle spasms in her back. Her doctor prescribes a centrally acting muscle relaxant. This medication is most likely ____.

Karly is taking a nonnarcotic antitussive that has both central and peripheral actions. What might she be taking?

Lizzy has severe chronic pain following an automobile accident and her pain specialist gives her a coanalgesic to help control her pain. What class of drugs is often used as coanalgesics?

Kirk has myasthenia gravis, a disease characterized by fluctuating weakness of voluntary muscles. If he is treated with a drug that acts via the autonomic nervous system, what category of drug is he likely to receive?

Isabella carries an Epi-Pen at all times. She most likely carries it because she has ____.

Zach normally takes an antianxiety medication and, after he has his wisdom teeth pulled, takes a narcotic pain medication as well. He suddenly finds himself very drowsy and disoriented. This is an example of ____.

Marianne, 62 years of age, is discussing osteoporosis prevention with her doctor, with concerns about the action of estrogen replacement on breast and uterine tissue. Marianne might be interested in selective estrogen-receptor modifiers (SERMs) because they have an estrogen ____.

Patrick, who has bipolar disorder, has a history of serious suicide attempts. What mood stabilizer is successful in reducing suicide rates in persons with bipolar disorder?