Pharmacology Quiz 2 NU 160

Correct Answer C: Dry mouth

Explanation of the Correct Answer:

Ipratropium is an anticholinergic medication commonly used in the management of chronic obstructive pulmonary disease (COPD) and asthma. A common side effect of anticholinergic medications, including ipratropium, is dry mouth. This occurs due to the inhibition of acetylcholine, which reduces salivation. Clients should be informed that this is a typical and manageable side effect.

Why the Other Options Are Incorrect:

A. Drowsiness

Incorrect. Ipratropium is not known to cause drowsiness. It is a bronchodilator and does not have sedative effects, which makes drowsiness an uncommon side effect.

B. Muscle tremors

Incorrect. Muscle tremors are more commonly associated with medications like beta-agonists (e.g., albuterol), not ipratropium. Ipratropium does not typically cause muscle tremors.

D. Increased salivation

Incorrect. Ipratropium works by blocking acetylcholine, leading to a decrease in salivation, not an increase. Increased salivation is not a side effect of ipratropium.

Summary:

The nurse should inform the client that dry mouth is a common side effect of ipratropium and advise the client on ways to manage it, such as drinking water or using sugar-free gum or lozenges.

Correct Answer:

A. The medication will open the airways.

D. The medication will prevent wheezing.

E. The medication will decrease coughing episodes.

Explanation of the Correct Answers:

A. The medication will open the airways.

Albuterol is a beta-2 agonist that works by relaxing the smooth muscles around the airways, leading to bronchodilation. This helps open the airways, making it easier for the person to breathe, which is why albuterol is used in the treatment of conditions like asthma and COPD.

D. The medication will prevent wheezing.

By opening the airways, albuterol can prevent wheezing, which is commonly caused by constricted or narrowed airways. Wheezing is a hallmark symptom of asthma and other respiratory conditions, and albuterol helps alleviate it by improving airflow.

E. The medication will decrease coughing episodes.

Although albuterol is primarily used to alleviate wheezing and shortness of breath by opening the airways, it can indirectly reduce coughing episodes as well. This is because coughing can often be triggered by constricted or narrowed airways, and by improving airflow, albuterol can make breathing easier, thus reducing coughing that may be associated with bronchoconstriction.

Why the Other Options Are Incorrect:

B. The medication will reduce inflammation.

Albuterol is a bronchodilator, not an anti-inflammatory drug. While it helps open up the airways, it does not directly reduce inflammation in the airways. Medications like steroids are used for that purpose, but albuterol itself does not have an anti-inflammatory effect.

C. The medication will stimulate flow of mucus.

Albuterol does not stimulate mucus production. It works by relaxing the muscles of the airways to allow for easier breathing, but it does not directly affect mucus production or clearance. Mucus flow and secretion are typically managed by other types of treatments, such as expectorants.

Summary:

Albuterol opens the airways, prevents wheezing, and can reduce coughing by improving airflow. It does not directly reduce inflammation or stimulate mucus flow. Therefore, the correct answers are A, D, and E.

Correct Answer C: Isoniazid can cause tingling of the hands.

Explanation of the Correct Answer:

C. Isoniazid can cause tingling of the hands.

Isoniazid is an antibiotic used to treat tuberculosis (TB), and one of its known adverse effects is peripheral neuropathy, which causes tingling, numbness, or a "pins and needles" sensation in the hands and feet. This is a result of nerve damage, often due to the drug’s effects on vitamin B6 (pyridoxine) metabolism. Patients on isoniazid are sometimes given vitamin B6 supplements to help prevent this side effect.

Why the Other Options Are Incorrect:

A. Isoniazid can cause ringing in the ears.

Ringing in the ears, or tinnitus, is not a typical side effect of isoniazid. It is more commonly associated with ototoxic drugs, like certain antibiotics (e.g., aminoglycosides) or chemotherapy agents, but not isoniazid.

B. Isoniazid can cause pain in the joints.

While joint pain is not a common adverse effect of isoniazid, it may rarely cause arthralgia (joint pain). However, this is not one of the main or characteristic side effects of the drug.

D. Isoniazid can cause yellowing of the skin.

Yellowing of the skin (jaundice) is more often related to liver dysfunction. While isoniazid can affect liver function (causing hepatotoxicity), it typically causes elevated liver enzymes, but yellowing of the skin is not a typical presentation. Jaundice may occur in severe liver toxicity, but it’s not a direct or common adverse effect of isoniazid alone.

Summary:

The correct answer is C because tingling in the hands (peripheral neuropathy) is a known adverse effect of isoniazid. Other side effects, such as pain in the joints, tinnitus, and jaundice, are not typical for this drug, although liver toxicity (which can lead to jaundice) is a known, though less frequent, serious side effect.

Correct Answer B: The medication should be applied on a regular schedule for the rest of the client’s life.

Explanation of the Correct Answer:

Timolol is a beta-adrenergic blocker used in the form of ophthalmic drops to treat open-angle glaucoma, a condition in which elevated intraocular pressure (IOP) can damage the optic nerve and lead to permanent vision loss.

Timolol works by reducing the production of aqueous humor, thereby lowering IOP. However, glaucoma is a chronic condition and does not go away, even if the pressure returns to normal. Because of this, long-term, consistent treatment is essential to prevent progression of the disease and preserve vision.

Patients should be instructed that timolol must be used daily and continuously, even if they do not have symptoms. Stopping the medication can cause a rebound increase in intraocular pressure, which can worsen optic nerve damage.

Why the Other Options Are Incorrect:

A. The medication is not used for just 10 days or tapered off. This would be dangerous in the management of glaucoma, which requires lifelong treatment.

C. Timolol is not used as-needed for eye pain. It is a maintenance therapy, not a rescue or symptom-based medication. Also, glaucoma is often asymptomatic in the early stages.

D. The goal is to maintain normal intraocular pressure, not to stop treatment once the pressure is controlled. Discontinuing therapy risks pressure elevation and optic nerve damage.

Summary:

The correct teaching is that timolol eye drops should be used on a regular schedule for life, as open-angle glaucoma is a chronic disease requiring ongoing management to prevent vision loss.

Correct Answers:

A. Clients should avoid live vaccines while on immunomodulator therapy.

C. Regular follow-up visits and bloodwork are essential for monitoring health status.

E. Clients should report any signs of infection immediately, such as fever or unusual fatigue.

Explanation of the Correct Answers:

Azathioprine is an immunosuppressant often used to treat autoimmune conditions like inflammatory bowel disease (IBD) and rheumatoid arthritis, and to prevent organ transplant rejection. Because it suppresses the immune system, specific safety precautions and monitoring are essential.

A. Clients should avoid live vaccines while on immunomodulator therapy.

Correct. Live vaccines (such as MMR, varicella, and intranasal flu vaccine) can pose a serious risk of infection in immunosuppressed individuals. Clients should be instructed to avoid live vaccines unless cleared by their healthcare provider.

C. Regular follow-up visits and bloodwork are essential for monitoring health status.

Correct. Azathioprine can cause bone marrow suppression, liver toxicity, and increased infection risk. Regular CBCs and liver function tests are essential to monitor for leukopenia, anemia, or hepatotoxicity.

E. Clients should report any signs of infection immediately, such as fever or unusual fatigue.

Correct. Because azathioprine weakens the immune system, clients are at increased risk of infections. Fever, sore throat, or unexplained fatigue should be reported immediately, as they may indicate a serious infection.

Why the Other Options Are Incorrect:

B. It is safe to receive live vaccines if administered at least 30 days after starting the medication.

Incorrect. Live vaccines are generally contraindicated during immunosuppressive therapy regardless of timing, unless specifically advised by a specialist.

D. Handwashing is not necessary if the client avoids sick individuals.

Incorrect. Frequent handwashing is essential for infection prevention, especially when the immune system is compromised. Avoiding sick individuals is not a substitute for good hygiene practices.

F. Clients can discontinue their medication if they feel well after a few weeks.

Incorrect. Azathioprine must be taken consistently as prescribed. Stopping without medical guidance can lead to relapse or rejection in transplant patients. Always consult a healthcare provider before making changes.

Summary:

Correct patient teaching for azathioprine includes avoiding live vaccines, attending regular bloodwork appointments, and promptly reporting infection signs. Stopping the medication without medical advice or neglecting hygiene are unsafe practices.

Correct Answer B: The medication will relieve muscle spasms that might occur with a fracture.

Explanation of the Correct Answer:

Cyclobenzaprine is a muscle relaxant primarily used to treat muscle spasms associated with acute musculoskeletal conditions, such as fractures. It works by acting on the central nervous system to reduce muscle tone and spasms. When a fracture occurs, muscle spasms can often result as the body reacts to injury, and cyclobenzaprine helps alleviate this discomfort.

Why the Other Options Are Incorrect:

A. Cyclobenzaprine will relieve any nausea associated with a fracture.

Incorrect. Cyclobenzaprine is not used to treat nausea. Nausea can sometimes occur with fractures due to pain or medications like opioids, but cyclobenzaprine does not address this symptom.

C. Cyclobenzaprine will reduce itching that might occur as the fracture begins to heal.

Incorrect. Itching during the healing process of a fracture is typically related to the formation of a scab or callus over the fracture site or from the immobilization (e.g., casting). Cyclobenzaprine does not have any effect on itching.

D. The medication will fight microorganisms that can cause infection at the fracture site.

Incorrect. Cyclobenzaprine does not have antibiotic properties. It does not fight infections. If infection prevention is needed, the client would require an antibiotic, not a muscle relaxant.

Summary:

Cyclobenzaprine is used to relieve muscle spasms associated with fractures or musculoskeletal injuries, making option B the correct explanation for the nurse to provide to the client.

Correct Answer C: Reduced dyspepsia

Explanation of the Correct Answer:

Omeprazole is a proton pump inhibitor (PPI) that works by reducing gastric acid production. It is commonly prescribed to treat conditions like gastroesophageal reflux disease (GERD), peptic ulcers, and dyspepsia (indigestion). Reduced dyspepsia—which includes symptoms like heartburn, bloating, and discomfort after eating—is a clear indication that omeprazole is effective in decreasing gastric acid secretion and improving the client's symptoms.

Why the Other Options Are Incorrect:

A. Regular bowel movements

Incorrect. Omeprazole does not directly affect bowel movements. While it may help with stomach acid, it is not intended to regulate bowel function.

B. Increased appetite

Incorrect. Omeprazole does not typically cause increased appetite. If a client experiences changes in appetite, other factors should be considered, such as medication side effects or underlying conditions.

D. Absence of headache

Incorrect. Headaches are not a primary symptom of the conditions that omeprazole treats, and the absence of a headache is not a direct indicator of the medication's effectiveness.

Summary:

The most appropriate indicator of omeprazole's effectiveness in this case is reduced dyspepsia, as the drug is designed to alleviate symptoms related to excessive stomach acid.

Correct Answer A: Salmeterol is often used in combination with an inhaled corticosteroid.

Explanation of the Correct Answer:

A. Salmeterol is often used in combination with an inhaled corticosteroid.

Salmeterol is a long-acting beta-2 agonist (LABA) used in the management of asthma and chronic obstructive pulmonary disease (COPD). It is often combined with inhaled corticosteroids (ICS) such as fluticasone to control inflammation and prevent bronchoconstriction in patients with asthma or COPD. The corticosteroid reduces inflammation, while salmeterol helps to keep the airways open. This combination enhances the overall effectiveness of treatment.

Why the Other Options Are Incorrect:

B. Salmeterol is primarily used to treat bacterial infections.

This statement is incorrect. Salmeterol is not used to treat infections. It is a bronchodilator used to manage asthma and COPD symptoms by relaxing the muscles of the airways. It does not have any antibacterial properties.

C. Salmeterol is used for immediate relief of acute asthma symptoms.

This is incorrect. Salmeterol is a long-acting beta-2 agonist (LABA), meaning it works over a long duration (12 hours or more), but it does not provide immediate relief. Short-acting beta-2 agonists (SABAs) like albuterol are used for acute relief because they work quickly to relax the airway muscles. Salmeterol is not meant for immediate symptom relief in an asthma attack.

D. Salmeterol is a short-acting beta-2 agonist.

This is also incorrect. Salmeterol is a long-acting beta-2 agonist (LABA), not a short-acting one. Short-acting beta-2 agonists (SABAs) have a rapid onset of action and are used for quick relief, while LABAs, such as salmeterol, are used for long-term control and prevention of asthma and COPD symptoms.

Summary:

The correct answer is A because salmeterol is often used in combination with an inhaled corticosteroid to help control asthma and COPD symptoms. It is not used to treat bacterial infections, provide immediate relief, or as a short-acting agent.

Correct Answer:

A. Calcium carbonate

E. Aluminum hydroxide

Explanation of the Correct Answers:

A. Calcium carbonate:

Calcium carbonate is a common antacid used to relieve symptoms of heartburn or indigestion. One of its side effects is constipation. Calcium can reduce the motility of the gastrointestinal tract, leading to slower bowel movements. This is especially notable in individuals who take high doses of calcium carbonate, such as those using it as a calcium supplement or frequently for acid reflux.

E. Aluminum hydroxide:

Aluminum hydroxide, often found in antacids like Maalox and Mylanta, can also cause constipation. It has a tendency to slow down the passage of stool through the intestines. This is one of the reasons that aluminum-based antacids are sometimes combined with magnesium-based ones to balance their side effects.

Why the Other Options Are Incorrect:

B. Magnesium oxide:

Magnesium oxide is used for its antacid properties but is more likely to cause diarrhea, not constipation. Magnesium salts, in general, have a laxative effect and can promote bowel movements. Therefore, magnesium oxide is not associated with constipation.

C. Magnesium hydroxide:

Like magnesium oxide, magnesium hydroxide is known for its laxative effect. It works by drawing water into the intestines to stimulate bowel movements. It is commonly used in over-the-counter medications like Milk of Magnesia, and constipation is not a typical side effect.

D. Sodium bicarbonate:

Sodium bicarbonate, commonly known as baking soda, is used to neutralize stomach acid and can temporarily relieve heartburn. It does not typically cause constipation. In fact, it is more likely to cause symptoms like belching or bloating due to the release of carbon dioxide. It does not slow down bowel movements in the way calcium or aluminum-based antacids do.

Summary:

The antacids that can cause constipation are calcium carbonate and aluminum hydroxide. Both of these medications can slow gastrointestinal motility, leading to fewer bowel movements. Magnesium-based antacids, on the other hand, typically cause diarrhea, while sodium bicarbonate does not usually affect bowel movements.