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Nur 195 Test 1 | Questions And Answers Latest {} A+ Graded | 100% Verified

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Nur 195 Test 1 | Questions And Answers Latest {2024- 2025} A+ Graded |
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Respiratory: What is the nurse's priority? - A

Airway:

upper

respiratory tract

natural or artificial airway



B

Breathing:

lower

respiratory tract

respiration: ventilation, perfusion, diffusion



C

Circulation: adequate BP and Hemoglobin (Hg)



Morbidly obese - increase risk for airway and breathing issues, increased respiratory rate, circulatory
issues, etc, DVT- can change into a pulmonary embolism



Head of the bed must be up for - respiratory patients and the elderly



If patient is unconscious - keep them on their side in case they vomit



Anything below the trachea is - sterile



If someone aspirates, what lung will most likely be affected? - Right lung

,PLEURAL EFFUSION - Addtl fluid in the lung (pleural space)



diaphragm - the major muscle of respiration located at the base of the thoracic cavity



use of accessory muscles - Scalenes, intercostal, flaring of nostrils



Surfactant - keeps the alveoli open and decreases surface



Atelectasis - unable to keep the alveoli open (collapsed alveoli), low grade temp and may have crackles,
leads to hospital acquired pneumonia, important to use incentive spirometer



anatomic dead space - Nose to bronchioles



What Controls Respiratory Rate and Depth? - Chemoreceptors in the Brain, Peripheral receptors -
Carotid and Aortic Bodies, Mechanical receptors in the Lungs



Chemoreceptors in the Brain - --Chemical changes in H+ ion concentration or pH

--Changes in carbon dioxide concentration



Peripheral receptors -Carotid and Aortic Bodies - respond to oxygen levels, carbon dioxide and pH



Mechanical receptors in the Lungs - Physiologic factors: pulmonary muscle stretching, alveolar wall
distortion, irritants and fluid build up.



Why must COPD patients be conscious of the amt of oxygen that they get? - they have higher levels of
carbon dioxide



What is a focused respiratory assessment? - Subjective Assessments:

•Dyspnea: (rated on a scale of 1-10)

•Chest pain: pulmonary v.s. cardiac origin

,Objective assessments:

•Cough: describe characteristics

•Sputum: quantity, consistency, color

Physical Assessments:

Inspection, Palpation, Percussion, Auscultation



Arterial Blood Gas (ABG) - ABG analysis is used to evaluate respiratory function and provides accurate
information about oxygenation, ventilation and acid-base balance. The measurements reported are the
pH, PaCO2, PaO2, HCO3 and SaO2.



An arterial puncture is done from the radial, brachial or femoral artery or the blood is obtained from an
indwelling arterial catheter. Perform the Allen test before using the radial artery. Use a heparinized
syringe and immediately place blood sample on ice and send to the lab.



Nursing Implications:

Explain the procedure to the patient. Make no changes with the patient for twenty minutes prior to test.
Indicate whether oxygen was in use at the time blood was drawn. Once the needle is removed, firm,
direct pressure is applied for 5 minutes to the arterial site, until the site is no longer bleeding.



M.H. 72 y/o female admitted with diagnosis of Pneumonia , shortness of breath, fever, chest pain with
coughing, fatigue.

Health History: smoker, Influenza PTA, productive cough

Diagnostics: CXR - RLL infiltrates, consolidation: Pneumonia

Labs: Blood and Sputum cultures pending, WBC: Leukocytosis

Proceed with data collection and the Nursing Process: - Physical Exam

Observe or Monitor: WOB, LOC, RR and depth, SpO2, sputum production

Inspect: skin color and temp, nail beds, chest symmetry

Palpate: tactile fremitus

Auscultate: adventitious sounds (cackles), egophony (voice resonance- say the letter A, if it sounds like E
it signifies pneumonia

, pulse oximetry - Nursing implications: values less than 90% indicate inadequate oxygenation. assess
patient's status and presence of factors that could interfere with accuracy of readings.



Culture and Sensitivity

Gram Stain

Acid-fast smear and culture

Cytology - Purpose is to identify pathogenic organisms to aid in diagnosis, selection and evaluation of
treatment.

Expectoration is the usual method used to collect sputum in a sterile container after clearing the nose
and throat and rinsing the mouth. Instruct patient to cough forcefully with exhalation.

Nursing Implications: An early morning specimen is best. Deliver to the lab immediately to prevent
overgrowth of the specimen.



Chest X-Ray

(CXR) - Test used to screen, diagnose and evaluate changes in the chest.

Most common views are PA and lateral which requires patient transport to Radiology. Nursing
Implications:

The nurse should ensure that the patient has removed jewelry, dentures, all external metallic objects,
and wires

Nursing Implications:

The nurse should ensure that the patient has removed jewelry, dentures, all external metallic objects,
and wires



Computed tomography

(CT) - This test is performed for diagnosis of lesions difficult to assess by conventional x-ray studies.
Images produced provide a cross-sectional view of the chest.

Test is done with or without contrast. Contrast media is iodine-based.

Patient may require sedation in order to be able to tolerate the test.

Nursing Implications:

Screen the patient for shellfish or iodine allergies.

Evaluate hydration and renal function.

Determine weight is within limits.

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