9 Matching Annotations
  1. Feb 2026
    1. 16.1: Case Study: Respiratory System and Gas Exchange
      •   Patient Information: Sacheen, a 20-year-old smoker, presents with a worsening cough, thick mucus production, sore throat, and chest congestion after an initial mild cough.
      •   Medical History: Sacheen recently experienced symptoms of a common cold, including runny nose, fatigue, and mild cough.
      •   Doctor’s Actions: Dr. Tsosie examines Sacheen, inquires about her symptoms and medical history, and measures her blood oxygen level using a pulse oximeter.
      •   Diagnosis: Sacheen has bronchitis, an infection commonly occurring after a cold or flu.
      •   Treatment Recommendations: Dr. Tsosie recommends Sacheen to thin and remove mucus by drinking plenty of fluids, using a humidifier, getting plenty of rest, and avoiding smoking.
      •   Chapter Overview: The chapter will cover the respiratory system, the process of respiration, and acute bronchitis.
      •   Respiratory System Overview: Includes lungs, bronchial tubes, and the rest of the respiratory tract, responsible for breathing and gas exchange.
      •   Breathing Regulation: Rate of breathing is regulated to maintain blood gas and pH homeostasis.
      •   Respiratory Disorders: Asthma, pneumonia, COPD, and lung cancer are examples of respiratory system disorders.
      •   Content Source: This page is from a CK-12 licensed resource authored by Suzanne Wakim & Mandeep Grewal.
      •   Content Topic: Respiratory System and Gas Exchange.
      •   Content License: CK-12 license.
      
    2. 16.4: Disorders of the Respiratory System
      •   Dust Mite Allergy: Dust mite feces contain proteins that can trigger asthma attacks.
      •   Asthma Definition: A chronic inflammatory disease of the lungs where airways periodically become inflamed.
      •   Asthma Symptoms: Airways narrow and may become clogged with mucus, making breathing difficult.
      •   Asthma Definition: A chronic lung disease causing swelling and narrowing of airways, leading to difficulty breathing.
      •   Asthma Triggers: Environmental factors like allergens, pollution, and stress, along with genetic predisposition.
      •   Asthma Treatment: Inhaled bronchodilators for immediate relief and corticosteroids for long-term control, along with trigger avoidance.
      •   Pneumonia Definition: Inflammation of the alveoli in the lungs, causing fluid buildup and impaired gas exchange.
      •   Pneumonia Symptoms and Causes: Coughing, chest pain, difficulty breathing, fever, often caused by bacterial or viral infections.
      •   COPD Definition: Chronic lung disease characterized by poor airflow, leading to shortness of breath and coughing.
      •   COPD Causes: Tobacco smoking is the major cause, followed by air pollution and genetics.
      •   COPD Symptoms: Reduced lung function, trapped air, impaired gas exchange, low oxygen levels, and high carbon dioxide levels.
      •   Lung Cancer Definition: Malignant tumor in the lungs characterized by uncontrolled cell growth, originating from lung tissue or metastasized from other parts of the body.
      •   Primary Cause: Tobacco smoking, accounting for about 85% of cases.
      •   Other Risk Factors: Exposure to radon gas, asbestos, secondhand smoke, air pollutants, and family history of lung cancer.
      •   Prognosis and Treatment: Often diagnosed late, making it the leading cause of cancer-related death; treatment options include surgery, radiation therapy, and chemotherapy.
      •   Sleep Apnea Definition: A potentially dangerous sleep disorder characterized by pauses in breathing due to physical blockage of the airway.
      •   Sleep Apnea Symptoms: Loud snoring, restless sleep, daytime sleepiness, fatigue, moodiness, and increased risk of accidents.
      •   Sleep Apnea Causes and Risk Factors: Relaxed muscles during sleep, exacerbated by alcohol or certain medications; more common in overweight individuals, smokers, those with diabetes, older people, and males.
      •   Sleep Apnea Treatment: Treatment options include lifestyle changes, oral devices, CPAP therapy, and surgery.
      •   CPAP Therapy: CPAP is the most common treatment for moderate to severe sleep apnea, using pressurized air to keep the airway open.
      •   Sleep Apnea Risk Factors: Sleeping on one’s back can increase the risk of sleep apnea due to potential airway blockage.
      •   Source of the Text: The text is adapted from “Human Biology” by CK-12 and licensed under CC BY-NC 3.0.
      •   Content of the Text: The text is about disorders of the respiratory system.
      •   License and Authorship: The page is shared under a CK-12 license and authored by Suzanne Wakim & Mandeep Grewal.
      
    3. 16.2: Structure and Function of the Respiratory System Last updated May 7, 2022 Save as PDF 16.1: Case Study: Respiratory System and Gas Exchange 16.3: Breathing
      •   Respiration Definition: The process of releasing water vapor and other gases from the body.
      •   Breath Visibility: Exhaled warm, moist air condenses into tiny droplets in cold weather, making it visible.
      •   Respiration and Temperature: Exhaled air is warm and contains water vapor, which condenses in cold air.
      •   Respiration Definition: Life-sustaining process of gas exchange between the body and the atmosphere, involving oxygen intake and waste gas removal.
      •   Respiratory System Function: Supplies oxygen for cellular respiration and removes carbon dioxide produced by cells.
      •   Respiratory System Processes: Ventilation (breathing) and gas exchange (oxygen and carbon dioxide diffusion).
      •   Respiratory System Organs: Lungs, trachea, bronchi, and diaphragm are involved in respiration.
      •   Upper Respiratory Tract Function: Provides a route for air to move between the outside atmosphere and the lungs, cleaning, humidifying, and warming the incoming air.
      •   Nasal Cavity Function: Warms and humidifies inhaled air, traps foreign particles, and contains chemoreceptors for smell and taste.
      •   Pharynx Function: Connects nasal cavity and mouth to the throat, serving as a passageway for both air and food.
      •   Larynx Function: Connects pharynx and trachea, houses vocal cords for sound production, and protects the trachea from food aspiration.
      •   Lower Respiratory Tract: A tree-like branching system of passages within the lungs.
      •   Respiratory Tract Structure: Inverted tree-like shape with 1,500 miles of airways conducting air to the lungs.
      •   Trachea Function: Connects the larynx to the lungs, allowing air passage.
      •   Lung Function: Site of gas exchange between air and bloodstream.
      •   Lung Structure: Two lungs, right lung larger with three lobes and left lung smaller with two lobes, suspended in the pleural cavity.
      •   Alveoli Function: Tiny air sacs where gas exchange occurs, providing a large surface area for oxygen absorption and carbon dioxide release.
      •   Blood Supply: Lungs receive deoxygenated blood for oxygenation and oxygenated blood for cellular respiration.
      •   Respiratory System Importance: Vital for survival, requiring protection due to its exposure to harmful substances.
      •   Mucociliary Escalator: A primary defense mechanism where mucus traps particles and cilia move them away from the lungs.
      •   Coughing Mechanism: An involuntary response to remove mucus, debris, and irritants from the respiratory tract.
      •   Sneezing Mechanism: Sneezing is an involuntary response triggered by irritation in the nasal passage, resulting in the forceful expulsion of air, mucus, and debris from the mouth.
      •   Respiratory System and Homeostasis: The respiratory system collaborates with the nervous and cardiovascular systems to maintain homeostasis in blood gases (oxygen and carbon dioxide) and pH levels.
      •   Carbon Dioxide Regulation: The body primarily monitors carbon dioxide levels to regulate breathing rate and maintain blood gas and pH balance.
      •   Respiratory and Cardiovascular System Interaction: The respiratory system exchanges gases with the outside air, while the cardiovascular system transports these gases to and from body cells.
      •   Choking Definition and Causes: Choking is the mechanical obstruction of airflow into the lungs, often caused by objects blocking the pharynx or trachea, particularly in young children.
      •   Choking Symptoms and Signs: Inability to speak or cry, labored breathing, clutching the throat, and blue discoloration of the face indicate choking.
      •   Choking Treatment for Infants: Turn the baby upside down and slap on the back to dislodge the object.
      •   Choking Treatment for Older People: Encourage coughing, give back slaps, and if needed, perform the Heimlich maneuver.
      •   Emergency Action for Choking: If choking persists after the Heimlich maneuver, call for emergency medical care.
      •   Respiratory System Overview: The respiratory system facilitates breathing, enabling the exchange of oxygen and carbon dioxide.
      •   Key Components: The respiratory system includes the larynx, lungs, alveoli, and ciliated epithelium.
      •   Respiratory Processes: Breathing involves inhalation and exhalation, while sneezing is a reflex action to expel irritants.
      •   Page Source: This page is from CK-12 and authored by Suzanne Wakim & Mandeep Grewal.
      •   Content License: The page is shared under a CK-12 license.
      •   Content Topic: The page is about the structure and function of the respiratory system.
      
  2. Dec 2024
    1. the onus is for many of us in the occidental mind and the Western tradition to find what it is to excavate what it is about capitalism that lives in our very minds and our bodies and our our ways of working. And to find another way that is possible.

      for - key points - excavate and replace engrained capitalist worldviews and behaviors and replace with healthier alternatives - Post Capitalist Philanthropy Webinar 1 - Alnoor Ladha - Lynn Murphy - 2023

      key points - excavate and replace engrained capitalist worldviews and behaviors and replace with healthier alternatives - Post Capitalist Philanthropy Webinar 1 - Alnoor Ladha - Lynn Murphy - 2023 - For those of western tradition, - find out what deeply engrained capitalist habits must we excavate in our - minds, - bodies, - worldviews, - behaviors, - hearts (feelings) and - ways of being - and replace them with healthier alternatives

  3. Apr 2021
  4. Jul 2020
    1. Some droplets are lost in transfer steps and others are eliminated by the stringent metrics applied by QuantaSoft Software as the droplets pass through the Droplet Reader, resulting ultimately in data from 12,000–16,000 droplets being used in subsequent concentration calculations