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Complete the following statement: “Drugs used for the treatment of depression and a range of anxiety disorders including panic, social phobia, and post-traumatic stress disorder are known as…â€
- A. Barbiturates
- B. Rebound insomnia
- C. Antidepressants
- D. Anxiolytics
- G. C
Correct Answer: Barbiturates are sedatives. Rebound insomnia isn't a drug. Antidepressants treat depression and anxiety disorders. Anxiolytics focus on anxiety.
Rationale: The correct answer is C: Antidepressants. Antidepressants are drugs specifically designed to treat depression and various anxiety disorders, including panic, social phobia, and post-traumatic stress disorder. They work by balancing neurotransmitters in the brain to improve mood and reduce symptoms of anxiety. Barbiturates (A) are sedatives, not typically used for treating anxiety or depression. Rebound insomnia (B) is a phenomenon where insomnia worsens after discontinuing sleep medications, not a class of drugs. Anxiolytics (D) are drugs that specifically target anxiety symptoms, but they do not usually address depression. Therefore, the correct choice is C as it accurately describes the drugs used for treating depression and a range of anxiety disorders.
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Class of drugs derived from barbituric acid that act as CNS depressants and are used for their sedative and anti- seizure effect are known as _
- A. Antidepressants
- B. Anxiolytics
- C. Barbiturates
- D. Benzodiazepines
- G. C
Correct Answer: Antidepressants treat mood disorders. Anxiolytics reduce anxiety but aren't barbituric-derived. Barbiturates fit the description. Benzodiazepines aren't barbituric-based.
Rationale: The correct answer is C: Barbiturates. Barbiturates are drugs derived from barbituric acid, acting as CNS depressants for sedative and anti-seizure effects. Antidepressants (A) are used for mood disorders, not CNS depression. Anxiolytics (B) are for anxiety and not all are barbituric-derived. Benzodiazepines (D) are a different class of CNS depressants, not derived from barbituric acid. Therefore, choice C is the most appropriate based on the specific description provided in the question.
The nurse has an order to administer U-500 Humulin R insulin 10 units. How many units should the nurse draw up when administering this insulin?
- A. 50 units of Humulin R insulin in a 100-unit insulin syringe.
- B. 10 units of Humulin R insulin in a 500-unit insulin syringe.
- C. 10 units of Humulin R insulin in a 30-unit insulin syringe.
- D. 50 units of Humulin R insulin in a 50-unit insulin syringe.
- G. B
Correct Answer: U-500 is 5x concentrated; 10 units requires a U-500 syringe for accuracy. Other options misalign syringe type or dose.
Rationale: The correct answer is G. When administering U-500 Humulin R insulin, which is 5x concentrated, the nurse should use a U-500 insulin syringe for accuracy. Drawing up 10 units with a U-500 syringe ensures the correct dose is administered. Choice A and D suggest using different syringe types or incorrect doses, leading to potential dosing errors. Choice C mentions using a 30-unit syringe which is not appropriate for U-500 insulin. Choice B suggests using a 500-unit syringe which may lead to inaccuracies in dosing. Therefore, the correct choice is G as it aligns with the concentration of U-500 insulin and ensures accurate dosing.
The risk for physical and psychological dependence is high from which class of medications, which is rarely used to treat insomnia or anxiety?
- A. Barbiturates.
- B. Nonsteroidal anti-inflammatory drugs (NSAIDs).
- C. Benzodiazepines.
- D. Selective serotonin reuptake inhibitors (SSRIs).
- G. A
Correct Answer: Barbiturates have high dependence risk and are rarely used for insomnia/anxiety due to safer alternatives like benzodiazepines. NSAIDs, benzodiazepines, and SSRIs don't fit this profile.
Rationale: The correct answer is A: Barbiturates. Barbiturates are known to have a high risk of physical and psychological dependence due to their sedative effects. They are rarely used to treat insomnia or anxiety nowadays because safer alternatives like benzodiazepines are available. Nonsteroidal anti-inflammatory drugs (NSAIDs) are primarily used for pain and inflammation, not for insomnia or anxiety. Benzodiazepines are commonly prescribed for these conditions but have a lower risk of dependence compared to barbiturates. Selective serotonin reuptake inhibitors (SSRIs) are antidepressants and are not typically used for the treatment of insomnia or anxiety. Therefore, the correct answer is A because barbiturates have a high dependence risk and are not commonly used for these conditions.
The nurse is caring for a patient who is being treated for peptic ulcer disease. Which medication should the patient be taught to avoid?
- A. NSAIDs
- B. Antacids
- C. H2 blockers
- D. PPIs .
- G. A
Correct Answer: NSAIDs can worsen ulcers by irritating the stomach lining. Antacids, H2 blockers, and PPIs aid ulcer healing.
Rationale: The correct answer is A: NSAIDs. NSAIDs, such as ibuprofen and aspirin, can worsen peptic ulcers by irritating the stomach lining and inhibiting prostaglandin synthesis, which is needed for stomach lining protection. Antacids, H2 blockers, and PPIs, on the other hand, help in ulcer healing by reducing stomach acid production or neutralizing acid. Therefore, teaching the patient to avoid NSAIDs is crucial to prevent exacerbation of peptic ulcers.
How does drug therapy of tuberculosis differ from that of most other infections?
- A. Patients with tuberculosis have no symptoms.
- B. Antituberculosis drugs are used extensively for treating active disease, not prevention.
- C. Patients usually require therapy for a shorter period.
- D. Mycobacteria have a cell wall that is resistant to penetration by anti-infective drugs.
- G. D
Correct Answer: TB patients can have symptoms. Drugs treat both active disease and prevention (latent TB). TB therapy is longer (6-9 months+). Mycobacteria's resistant cell wall necessitates prolonged, combined drug therapy.
Rationale: The correct answer is G. The rationale is as follows:
1. TB patients can have symptoms: TB can present with symptoms such as cough, fever, weight loss, and night sweats.
2. Drugs treat both active disease and prevention: Antituberculosis drugs are used for both treating active TB disease and preventing latent TB from developing into active disease.
3. TB therapy is longer: TB therapy typically lasts 6-9 months or longer due to the slow-growing nature of Mycobacterium tuberculosis and the need to prevent drug resistance.
4. Mycobacteria's resistant cell wall: Mycobacteria have a unique cell wall that is resistant to penetration by many antibiotics, necessitating prolonged and combined drug therapy for effective treatment.
In summary, the other choices are incorrect because patients with TB can have symptoms, antituberculosis drugs are used for both treatment and prevention, therapy duration is usually longer, and the unique cell wall of Mycobacteria requires specific drug regimens.