ANS: B
OTC drugs often interact with other drugs, and with food or alcohol, or they might affect other existing health problems the patient has. Ask a pharmacist or the healthcare provider if you are unsure. Also, the healthcare professional must be aware of all over-the-counter drugs being taken because of the dangers of interaction.
ANS: C
Patients should avoid buying these products online, outside of well-known internet insurance company sites, because many OTC preparations sold through the internet are counterfeit products and may be dangerous.
ANS: A
One of the most important considerations in reading OTC product labels is to notice the hidden chemicals (used for various purposes) in the products. Drugs containing alcohol (such as some cough preparations) should not be given to children.
ANS: D
The FDA does not regulate herbal supplements but protects consumers from misleading health claims by the supplement industry.
ANS: C
You should always tell patients to safely dispose of old, discolored, or expired drugs or any drug that has lost its label instructions. Your pharmacist can tell you about the ways to safely dispose of drugs.
ANS: C
St. John’s wort may improve mild to moderate depression but has potentially dangerous interactions with many prescription drugs.
ANS: A
People take vitamins to maintain health or to correct specific nutritional deficiencies. Most people decided to take vitamins on their own without the advice of a healthcare professional.
ANS: B
Vitamin C is a water-soluble vitamin that is quickly excreted and thus mega-doses of this vitamin produce no additional benefit.
ANS: C
The costs for some products are high because of the claims made about their effectiveness, but few of the manufacturer claims can be substantiated by evidence.
ANS: B
Excess vitamin A ingestion during pregnancy can cause birth defects of the CNS.
ANS: D
An early indication of vitamin A overdose is anorexia, abdominal pain, malaise, and yellowing of the skin, especially on the nose and ears.
ANS: C
If giving thiamine to an alcoholic or thiamine deficient patient, intravenous glucose should also be given to prevent precipitation or worsening of Wernicke encephalopathy.
ANS: B
Teach patients that common food sources of riboflavin include dairy products, eggs, green leafy vegetables, organ meats, and peanuts.
ANS: A
Expected side effects of niacin supplementation are skin warmth, flushing, and itching that can be relieved when giving niacin with aspirin.
ANS: D
Oral contraceptives may induce pyridoxine deficiency.
ANS: C
The US Public Health Service has issued an official recommendation that all women of childbearing age in the United States who are pregnant should consume folic acid for reducing their risk of having a pregnancy affected with spina bifida or other neural tube defects.
ANS: C
Folic acid and vitamins B6 and B12 have been shown to reduce homocysteine levels. Modestly elevated homocysteine levels in the blood are a risk factor for heart disease.
ANS: C
A patient who is on a strict vegetarian diet may develop vitamin B12 deficiency because vitamin B12 is found only in animal products.
ANS: A
Vitamin C is easily destroyed by air, heat, and light. This drug should be kept tightly capped in its own container.
ANS: C
Many suggested uses of vitamin E are controversial and unproved. New evidence suggests that vitamin E supplements do not reduce the risk of cancer or major cardiovascular disease and may even increase the risk of heart failure.
ANS: A
Vitamin K is the antidote for warfarin (Coumadin) overdose.
ANS: D
Iron is necessary for people with anemia caused by blood loss secondary to surgery or other conditions resulting in iron-deficiency anemia.
ANS: A
Magnesium is important in cardiac function, and only slight deficiencies may prolong the Q-T interval and lead to a very dangerous form of ventricular tachycardia (rapid heartbeat) called torsades de pointes.
mult resp
ANS: A, B, D, E
Some common side effects of cannabis are dry mouth, sedation, cough, dysphoria, anxiety (with higher doses), red eyes, altered visual perceptions, lack of coordination, and altered sense of time.