Oxygenation and Respiratory Terminology
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Questions and Answers

Which symptom is characteristic of emphysema?

  • Barrel chest (correct)
  • Chronic productive cough
  • Purulent sputum
  • Cyanosis
  • What is a common psychosocial impact associated with COPD?

  • Euphoria
  • Increased social interactions
  • Depression (correct)
  • Elated mood
  • Which of the following is NOT typically used in the long-term management of COPD?

  • Corticosteroids
  • Nebulizer treatments
  • IV fluids (correct)
  • Oxygen therapy
  • What position may patients with emphysema adopt to help with breathing?

    <p>Tripod position (B)</p> Signup and view all the answers

    What is the normal range for PaCO2 levels in arterial blood gas measurements for COPD patients?

    <p>38-42 mmHG (C)</p> Signup and view all the answers

    What role do the alveoli play in the respiratory system?

    <p>They serve as the endpoint for gas exchange of oxygen and carbon dioxide. (D)</p> Signup and view all the answers

    Which of the following best describes hypoventilation?

    <p>Shallow breathing with decreased respiratory rate and increased CO2. (D)</p> Signup and view all the answers

    What is one effect of prolonged stress on respiratory function?

    <p>It raises blood pressure and cortisol levels. (D)</p> Signup and view all the answers

    Which sign or symptom is commonly associated with hypoxemia?

    <p>Clubbing of the fingers or toes. (C)</p> Signup and view all the answers

    What effect does hyperventilation have on the blood's pH?

    <p>It raises the pH due to decreased carbon dioxide levels. (C)</p> Signup and view all the answers

    Which of the following factors is considered non-modifiable regarding respiratory health?

    <p>Age and family history. (A)</p> Signup and view all the answers

    How does the presence of environmental factors like pollution impact oxygenation?

    <p>It can impair the lungs' ability to oxygenate the blood. (D)</p> Signup and view all the answers

    What is the definition of perfusion in the context of oxygenation?

    <p>The delivery of oxygenated blood to organs and tissues. (A)</p> Signup and view all the answers

    Which solution could cause a cell to swell and potentially burst?

    <p>D5% + 0.45% Normal Saline Solution (B)</p> Signup and view all the answers

    What condition is indicated by low serum potassium levels?

    <p>Muscle cramps and weakness (A)</p> Signup and view all the answers

    Which electrolyte imbalance poses the highest risk for life-threatening dysrhythmias?

    <p>Hyperkalemia (A)</p> Signup and view all the answers

    What scenario could lead to hypokalemia in a patient?

    <p>Diarrhea and diuresis (C)</p> Signup and view all the answers

    What term can be used to describe a solution that is less concentrated than the cytoplasm of a cell?

    <p>Hypotonic (D)</p> Signup and view all the answers

    What is a potential complication of hypokalemia?

    <p>Flat T-wave on ECG (D)</p> Signup and view all the answers

    Which of the following symptoms is least associated with hypokalemia?

    <p>Fever (A)</p> Signup and view all the answers

    What is a common nursing intervention for a patient with hypokalemia?

    <p>Administer potassium supplements (C)</p> Signup and view all the answers

    What is a common sign of hypervolemia in cardiovascular assessment?

    <p>Bounding pulses (C)</p> Signup and view all the answers

    Which fluid is classified as isotonic and is commonly used for fluid resuscitation?

    <p>Normal saline (0.9% NS) (A)</p> Signup and view all the answers

    What is a likely symptom of hypovolemia that affects skin condition?

    <p>Changes in skin turgor (B)</p> Signup and view all the answers

    Which condition may lead to hypervolemia?

    <p>Cardiovascular disease (B)</p> Signup and view all the answers

    What characterizes hypertonic solutions in relation to cellular impact?

    <p>The cell would shrink due to fluid leaving (D)</p> Signup and view all the answers

    Which symptom is NOT typically associated with hypervolemia?

    <p>Decreased blood pressure (D)</p> Signup and view all the answers

    What is a key intervention for managing hypovolemia?

    <p>Encourage fluid intake (D)</p> Signup and view all the answers

    Which factor could potentially cause dehydration in elderly individuals?

    <p>Decreased sense of thirst (B)</p> Signup and view all the answers

    Flashcards

    Emphysema Symptoms

    Emphysema is a type of COPD characterized by damage to the alveoli in the lungs. Symptoms unique to emphysema include barrel chest, pink skin, and using accessory muscles to breathe.

    Barrel Chest

    A characteristic chest shape in some COPD patients, especially those with emphysema. The chest appears wider than normal.

    Pursed Lip Breathing

    A breathing technique sometimes used by COPD patients, especially those with emphysema, to improve air exchange and strengthen the lungs.

    COPD Medical Diagnosis

    Diagnosis involves a chest X-ray and blood gas analysis (ABGs) to measure oxygen and carbon dioxide levels.

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    COPD Medical Treatment

    Chronic Obstructive Pulmonary Disease Treatment includes long-term management, supplemental oxygen, breathing treatments, and pulmonary rehab. During exacerbations, supportive care such as oxygen, bronchodilators, corticosteroids, antibiotics, and IV fluids, is used.

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    Ventilation

    The movement of air into and out of the alveoli.

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    Hyperventilation

    Rapid and deep breathing, lowering CO2 in blood.

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    Hypoventilation

    Slow and shallow breathing, increasing CO2 in blood.

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    Hypoxemia

    Low levels of oxygen in the blood.

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    Perfusion

    Delivery of oxygenated blood to tissues.

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    Alveoli

    Gas exchange (oxygen and carbon dioxide) in lungs.

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    Oxygenation

    The process of supplying oxygen to the body tissues.

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    Risk Factors (Modifiable)

    Lifestyle choices that can affect oxygenation, such as diet, exercise, smoking, stress, and environment.

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    Hypervolemia

    A condition of excess body fluid.

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    Isotonic IV fluid

    IV fluids with solute concentration similar to blood.

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    Hypertonic IV fluid

    IV fluids with higher solute concentration than blood.

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    Fluid balance

    Maintaining proper distribution of fluids in body tissues.

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    Daily Weights

    Regular measurement of a patients weight to monitor fluid changes.

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    Osmolality

    Concentration of solutes in fluid (per kg of solvent).

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    Osmolarity

    Concentration of solutes in fluid (per liter).

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    Hypotonic Solution

    A solution with a lower solute concentration than inside a cell.

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    Hypertonic Solution

    A solution with a higher solute concentration than inside a cell.

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    Hyponatremia

    Low sodium levels in the blood.

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    Hypernatremia

    High sodium levels in the blood.

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    Electrolyte Imbalance (Diuresis)

    Risk is high when clients have increased urination, potentially leading to low potassium (hypokalemia).

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    Electrolyte Imbalance (Vomiting/Diarrhea)

    Risk is high when clients have been vomiting or having diarrhea for extended periods increasing the risk of low potassium (hypokalemia).

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    Study Notes

    Oxygenation

    • Lungs oxygenate the body and remove CO2
    • Alveoli perform gas exchange
    • Alveoli are the endpoint of the respiratory system, exchanging oxygen and carbon dioxide in the blood stream
    • Oxygenation can be affected by illnesses and conditions that affect ventilation, perfusion, and gas exchange
    • These alterations can cause hyperventilation, hypoventilation, and hypoxia.

    Terminology

    • Ventilation: the flow of air in and out of the alveoli. Oxygen enters, carbon dioxide exits.
    • Hyperventilation: low CO2, increased breathing rate/depth, causes blood pH to raise, leading to alkalosis.
    • Hypoventilation: high CO2, shallow/slow breathing, causes blood pH to decrease, leading to acidosis.

    Hypoxia

    • Lack of oxygen in body tissues
    • Causes include: low RBC count, decreased diffusion, COPD, pneumonia, poor tissue perfusion, decreased ventilation, high altitudes, COPD, asthma, medications that reduce respiratory rate, and anemia
    • Signs/symptoms are not explicitly listed but likely related to decreased oxygen supply to tissues.

    COPD - Chronic Obstructive Pulmonary Disease

    • Progressive lung disease
    • Causes persistent air flow obstruction, diagnosed with PFT
    • Patients hospitalized for exacerbation of COPD
    • Modifiable risk factors include: diet (low sodium, high fiber, omega-3 fatty acids), exercise (30-60 minutes daily), and avoiding smoking.
    • Non-modifiable risk factors: age, family history.
    • Signs/symptoms: difficulty breathing, cyanosis, clubbing of fingers/toes, barrel chest, delayed capillary refill (>3 seconds), wheezing, rhonchi (rattling noise).

    Recurring Infections

    • Risk for recurrent infections can be associated with COPD
    • Other conditions can progress to CHF, pulmonary hypertension, depression, and psychosocial impact.

    Emphysema – Pink Puffer

    • Barrel chest
    • Pursed lip breathing
    • Improves air exchange
    • Strengthens lungs
    • Cachexia (weakness/wasting) from chronic illness
    • Pink skin
    • Accessory muscle use
    • Hypercapnia
    • Dyspnea
    • Tachypnea
    • Crackles + wheezes
    • Fatigue

    Chronic Bronchitis – Blue Bloater

    • Chronic productive cough
    • Purulent sputum
    • Cyanosis
    • Obesity
    • Dyspnea
    • Tachypnea
    • Crackles + wheezes
    • Fatigue

    Medical Diagnostic Testing

    • Chest X-ray
    • Arterial blood gas (ABG)
    • Measure O2 and CO2 in the blood
    • Medical treatment and long-term management for chronic conditions.
    • Nebulizer treatments

    Fluid and Electrolytes

    • Osmosis: Water moves from higher concentrations to lower concentrations of solutes.
    • Hypervolemia: Excess fluid, solutes are diluted
    • Hypovolemia: Not enough fluid, solutes increase

    Fluid and Electrolyte Causes

    • Malnutrition
    • Interstitial fluid shift
    • SIADH
    • Excess fluid or sodium intake

    FVD - Hypovolemia & Dehydration

    • Causes: excessive diaphoresis, vomiting, fever, frequent urination, lack of fluid intake, medications, diabetes, and pregnancy.
    • Signs/symptoms: Changes in skin turgor, skin tenting, dry skin, sticky/dry mucous membranes, tachycardia, weak/diminished pulse, postural hypotension (drop in BP when standing quickly).

    IV fluid tonicity

    • How IV fluids change cells. Isotonic fluids have equal concentrations within and outside cells, so there is no fluid shift. Hypertonic have more concentration outside the cells so draw water out of cells. Hypotonic have less concentration outside the cells so water is drawn into cells.

    Additional Notes and Questions

    • There may be some overlap amongst some of the conditions and symptoms in the different sections.
    • Specific causes of illness, conditions, and symptoms are not always explicitly stated or explored in depth.
    • More information about the questions is not available in the provided material.

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    Description

    Explore the essential concepts of oxygenation, including the roles of the lungs and alveoli in gas exchange. This quiz covers important terminology related to ventilation, hyperventilation, hypoventilation, and hypoxia, along with their effects on the body. Test your understanding of how various conditions can impact respiratory function.

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