Week 6 & 7- Infection and immunity & Respiratory

Question 1

• HIV - virus in cell - risk for index
• Adherence to med regimen essential
• Tx failure & med resistance occurs when: Skipping doses & Taking decrease dosage
• Increased CD4 & Decreased viral load = effective treatment
• Meds: zidovudine & ritonzavir

Answer 1

Antiretrovirals

Question 2

protection from infectious disease
- process by which person becomes protected against disease through vaccination

Answer 2

Immunizations

Question 3

• Rescue inhaler EMERGENCY; broncho dilates; immediate but short acting relief
• Contra: cardiac pts
• ADR: CP, irregular Heartbeat, ↑ BP
• Everything is increasing in sympathetic side - adrenergic

Answer 3

Beta2 Adrenergic Agonist: albuterol

Question 4

• Steroid; opens airway; anti inflammatory, dilation
• Dose: inhaler prevention after bronchodilator
• ADR: paradoxical bronchospasm (opposite effect)
• Long acting - for long term
• Pt edu: rinse mouth after use to prevent thrush (white plaque, tongue, mouth/throat

Answer 4

Glucocorticoid Inhaler: beclomethasone

Question 5

• Blocks histamine receptor sites; reduce allergy sx
• SE: Drowsiness in 1st gen
• Anticholinergic - urinary retention ( empty bladder before take)
• Pt ed: take before exposure to the allergen
• Don’t take if have BPH (benign prostatic hypertrophy)

Answer 5

Antihistamine (1st gen): diphenhydramine

Question 6

• ↑ cough by thinning secretion; ↓ chest congestion
• Thins mucus & easier to cough up for thick productive cause
• Don’t use w persistent (chronic) cough pts.
• Combined w antitussive or decongestants
• Caution w asthma pt - cause bronchoconstriction
• Antitussive - stops cough
• Nurs Consideration: pt not taking this for chronic dry cough

Answer 6

Expectorant: guaifenesin