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NUR 311 - Respiratory Drugs Review Questions and Correct Answers $8.99   Add to cart

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NUR 311 - Respiratory Drugs Review Questions and Correct Answers

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  • NUR 311
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  • NUR 311

Types of inhalation devices Metered-dose inhalers (MDI), soft-mist inhalers (SMI), dry powder inhalers (DPI), and small-volume nebulizers (SVN) How to use a MDI Begin slow inhalation, rapid inhale with hand-breath coordination, hold for 10 seconds, and repeat 1 minute later How much of the active...

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  • September 2, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NUR 311
  • NUR 311
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NUR 311 - Respiratory Drugs Review
Questions and Correct Answers
Types of inhalation devices ✅Metered-dose inhalers (MDI), soft-mist inhalers (SMI),
dry powder inhalers (DPI), and small-volume nebulizers (SVN)

How to use a MDI ✅Begin slow inhalation, rapid inhale with hand-breath coordination,
hold for 10 seconds, and repeat 1 minute later

How much of the active ingredient reaches the lungs in a MDI? ✅9% of the active
ingredient reaches the lungs

How much of the active ingredient reaches the lungs with a spacer? ✅21% of the
active ingredient reaches the lungs

How to use an SMI ✅TOP method

Define TOP method ✅Turn base until click, Open cap until click, Press dose release
button while inhaling and repeat

Advantage of soft mist inhalers ✅Delivers more of the active ingredient into the lungs

How to use a DPI ✅Breath-activated by fast inspiration

How much of the active ingredient reaches the lungs with a DPI? ✅20% of active
ingredient reaches lungs

Advantages of DPIs ✅No hand-breath coordination, propellant, or need for spacer

Disadvantages of DPIs ✅Causes hoarseness

How to use a small volume nebulizer ✅Small machine converts solution into a mist
that is inhaled through a facemask connected with tubing

How much of the active ingredient reaches the lungs in a SVN? ✅Same amount of
active ingredient enters lungs as a MDI

Advantages of SVNs ✅No hand-breath coordination, rapid inhalation, or hand strength

Examples of MDIs ✅Proair, ventolin, symbicort

, Examples of SMIs ✅Combivent and Spiriva Respimat

Examples of DPIs ✅Advair, Incruse and Breo Ellipta

First line of asthma therapy ✅Inhaled glucocorticoids

Mechanism of inhaled glucocorticoids ✅Suppress inflammation, bronchial reactivity,
decrease mucus production, and increase amount of beta2-adrenergic receptors and
their responsiveness

Uses for inhaled glucocorticoids ✅Prevent moderate to severe asthma

Considerations of inhaled glucocorticoids ✅Oral candidiasis (flush)

Examples of glucocorticoid inhalers ✅Pulmicort (budesonide)
Fluticasone (flovent)
Mometasone (asmanex)

Cautions of inhaled glucocorticoids ✅Pediatrics, pregnancy, and breastfeeding

Contraindications of inhaled glucocorticoids ✅Fungal infections and live viruses

Mechanism of montelukast ✅Blocks leukotriene receptors
- Bronchodilation, decreased mucus, decreased edema, and decreased eosinophilic
filtration

Uses of montelukast ✅Prevent asthma, exercise-induced bronchospasm, and allergic
rhinitis

When is montelukast normally taken? ✅At bedtime

Adverse reactions of montelukast ✅Churg-Strauss syndrome

What causes Churg-Strauss syndrome? ✅Rapid conversion from steroids to singulair

Mechanism of cromolyn ✅Mast cell stabilizer
- Binds to the surface of mast cells and prevents the release of histamine

Uses of cromolyn ✅Prevent allergic and exercise-induced bronchospasms,
Used if problems with glucocorticoids and hypertension
Use 15 minutes before exercise or allergen exposure

Cromolyn administration ✅Use ampules in SVN 1-4 weeks before allergy season

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