PCCN Pulmonary Exam Questions and Answers 100% Pass

PCCN Pulmonary Exam Questions and Answers 100% Pass Post cardiac arrest phase, titration of inspired oxygen to lowest level to achieve O2 sat? - Correct Answer ️️ -94% frail chest = multiple rib fractures - Correct Answer ️️ -= see saw chest movement Pertussis (whooping cough) - Correct Answer ️️ --An airborne bacterial infection that affects mostly children younger than 6 years. Patients will be feverish and exhibit a "whoop" sound on inspiration after a coughing attack; highly contagious through droplet infection. -long episodes of cough until vomits -sputum= thick and white airway resistance - Correct Answer ️️ -pressure difference between the mouth and the alveoli in relation to the rate of flow of inspired gas drug of choice for Tx pertussis - Correct Answer ️️ -macrolide antibiotics = azithromycin, clarithromycin and erythromycin Macrolides (thromycin) MOA - Correct Answer ️️ -Inhibit protein synthesis by blocking translocation ("macroslides"); bind to the 23S rRNA of the 50S ribosomal subunit. Bacteriostatic. Gentimicin has what serious complications: - Correct Answer ️️ -1. ototoxicity 2. nephrotoxicity =oliguria or anuria 3. never given IV push, only drip 30-60 mins gentimicin effective against? - Correct Answer ️️ --gram-negative rods -staphylococci -e. coli -psudomonas aeruginosa Psudomonas aeruginosa - Correct Answer ️️ -Gram Neg, motile, capsule Aerobic Found in water, soil, decaying veg, skin, MM, feces, Cause infection Opportunistic Tx: based on culture/sensitivity Pulmonary artery pressure (PAP) - Correct Answer ️️ -Normal Mean PAP 25 / 10 Normal PAP Systolic 20 to 35 Normal PAP diastolic 5 to 15 > than 35 / 15 is inconsistent with weaning. - indicates pulmonary hypertension. - Left ventricular failure. - Fluid overload. Sidenafil (Viagra) - Correct Answer ️️ -phosphodiesterase inhibitor, potentiates action of nitrates b/c they inhibit breakdown of cGMP. Should not be taken within 6 hrs of nitrate Medication given orally to inhibit rapid rise in pulmonary artery pressure secondary to hypoxia? - Correct Answer ️️ -sidenafil (Viagra) Laryngeal Mask Airway (LMA) - Correct Answer ️️ --An airway consisting of a tube and small mask that is fitted internally over the patient's larynx. -must have an absent gag reflex -does not usually cause hoarseness, does not pass thru vocal cord -cannot be inserted by RN, unless special trained Aspirated content during cardiac arrest? - Correct Answer ️️ --onset of symptoms is gradual -may develop ARDS, but not always -if pH > 2.5, very little necrosis will occur -if pH < 2.5, may develop pulmonary edema, necrosis, bleeding, and atelctasis ARDS (acute respiratory distress syndrome) - Correct Answer ️️ -respiratory insufficiency marked by progressive hypoxia aspiration pneumonitis - Correct Answer ️️ -An acute lung injury after inhalation or aspiration of regurgitated gastric contents (reflux or emesis). The gastric acid causes a chemical injury rather than an infection. Pulse oximetry should never be used in? - Correct Answer ️️ --cardiac arrest -during CPR, blow flow varies SpO2 vs. PaO2 - Correct Answer ️️ -are not equal SpO2 (saturation of peripheral oxygen) - Correct Answer ️️ -abbreviation for the percentage of hemoglobin that is saturated with oxygen in arterial blood as measured by a pulse oximeter PaO2 (partial pressure of arterial oxygen) normal range - Correct Answer ️️ --80-100 mm Hg -measured by ABGs ABGs - Correct Answer ️️ -Arterial Blood Gases pH 7.35- 7.45 HCO3 (Bicarbonate) normal values 22-26 mEq/L PaCO2 ( CO2 or carbon dioxide content) 35-45 mm H