Bronchial Tree Case Study

These can be divided structurally into 2 parts, the upper respiration system which consists of nose and pharynx and the lower respiratory system which consists of larynx, trachea, bronchi and lungs.

17. When normal columnar ciliated epithelial cells of the bronchial lining are 
replaced by stratified squamous

• Pulse Oximetry - Tests the percentage of oxygen in the blood. 95% or more is a normal level,

The diaphragm separates the chest and the abdomen as well as this it has a large role in breathing. The diaphragm moves down when we breathe in which expands the chest cavity making room for air to enter through the nasal cavity or mouth. When we breathe out the diaphragm moves upwards, forcing the chest cavity to reduce in size and pushing the gases in the lungs up and out of either the nose or mouth.

Air escaped from the lung into the pleural space. Eventually, enough air collected in the pleural space to cause the mediastinum to shift twoard the right. The collapsed left lung, increased intrapleural pressure, and rightward shift make it difficult to ventilate A.W.

C. Which structures found in the terminal bronchioles and alveoli normally would protect Cari’s lungs from infectious pathogens and particulate matter?

➢ Air next enters the trachea, which divides into two primary bronchi. As the bronchi enter the lungs they continue to divide into smaller bronchi, and ultimately into terminal bronchioles.

Each bronchus then divides again forming the bronchial tubes. The bronchial tubes lead directly into the lungs where they divide into many smaller tubes which connect to tiny sacs called alveoli. The average adult's lungs contain about 600 million of these spongy, air-filled sacs that are surrounded by capillaries. The inhaled oxygen passes into the alveoli and then diffuses through the capillaries into the arterial blood. Meanwhile, the waste-rich blood from the veins releases its carbon dioxide into the alveoli. The carbon dioxide follows the same path out of the lungs when you exhale.

Consist of the nasal passage, pharynx, esophagus, larynx, trachea, lungs, diaphragm, bronchi, and pulmonary artery and vein.

According to the American Academy of Allergy Asthma and Immunology (AAAAI), one out of ten children have asthma in the United States (2016). “Asthma is the leading chronic disease in children, it is also the top reason for missed school days.” (AAFA, 2016, para 3). Asthma is described as the inflammation of the bronchi in the lungs. The narrowing of the bronchi makes it difficult to breath, due to the inflammation; a wheezing sound might be heard during an acute asthma attack. Bronchi are small branches in the lungs that helps deliver air or oxygen into the lungs when inhaled, and helps remove carbon dioxide out of the body during expiration. Learning the anatomy of the lungs will be beneficial in learning how asthma affects the body. When a person breaths, the air goes through the nasal cavity, to the pharynx and larynx, then to the trachea and into the lungs, where the bronchi, bronchioles and alveoli are located.

It is also often referred to as the "windpipe." The trachea then branches off like a tree. The first splits of this "tree" are the bronchi, and the smallest branches are called the bronchioles. Thus after air travels through the trachea, it then reaches the bronchi, and spreads throughout the bronchioles.

Bronchiolitis is defined by the textbook as, “a diffuse, inflammatory obstruction in the small airways or bronchioles occurring most commonly in children” (Heuther & McCance, 2012). It is an acute inflammatory disease of the lower respiratory tract that occurs most commonly in infants and is caused by infection with seasonal viruses such as respiratory synctial virus (RSV) (Zorc & Hall, 2010). Bronchiolitis often results from an obstruction of the small airways. It is the leading cause of infant hospitalization in the United States (Zorc & Hall 2010) and is arguably the most common significant medical illness of childhood, with at least “1 in 7 normal infants developing symptomatic bronchiolitis in his or her first year of

The human body comprises of two respiratory sponges called lungs. The left lung is slightly smaller than the right as it makes room for placement of the heart. Due to this slightly smaller size, it only contains two lobes whereas the right lung has 3 lobes. Both lungs are host to the network of air sacs or alveoli which transport the air from the outside environment to the external and internal respiration processes.

The chest contains two lungs, one lung on the right side of the chest, the other on the left side of the chest. Each lung is made up of sections called lobes. The lungs are soft and protected by the ribcage. The purpose of the lungs is to bring oxygen into the body and to remove carbon dioxide. Oxygen is a gas that provides us with energy, while carbon dioxide is a waste product or “exhaust” of the body.

These are pyramidal-shaped areas which are also separated from each other by membranes. There are about 10 of them in each lung. Each segment receives its own blood supply and air supply.