12. The drawing below shows the respiratory system of a human: 111 E B K i) State the name of structure B. C D from pulmonary anery ainway to pulmonary vein F ii) State the name of structure K and explain its role in inhalation and exhalation. iii) Indicate which letter represents the epiglottis and describe its importance.

Q: Identify the receptors for the Respiratory Control Centre:  A. B. C. D.

A: The centers for respiration are located in the brain stem, medulla oblongata, and pons to be…

Q: Discuss the nervous and humoral control of the bronchiolus.

A: Introduction: Breathing also referred to as pulmonary ventilation that occurs through the nose or…

Q: Describe the structure of the bronchial tree.

A: The trachea branches into the bronchial tree.

Q: Name the lobes of the lungs and identify their locations.

A: Introduction: Lung is the main respiratory organ of the human body. Every cell of the body depends…

Q: What structures of the upper respiratory system might contribute to obstructive sleep apnea?

A: Obstructive sleep apnea or OSA is a serious disorder which occurs during sleep. The condition is…

Q: Explain the anatomical and functional differences between the pulmonary and systemic blood supplies…

A: Double circulation refers to the circulation where the blood enters and exits the heart twice in…

Q: explain the changes in intrapulmonary pressure during inspiration  and expiration

A: a. Intrapulmonary pressure: Intrapulmonary pressure, also known as alveolar pressure or pulmonary…

Q: Why must the lung be able to return to its normal non-deflated shape? and name facctors that enable…

A: The lungs are spongy organs, full of air, and are found on both sides of the thorax. When we inhale,…

Q: Explain the factors that affect gas movement throughthe respiratory membrane.

A: Answer: Introduction: Gas exchange is well-organized because of a thin respiratory membrane, the…

Q: Name two disorders of the lower respiratory tract thatmainly cause a narrowing of the airways and…

A: The cells making up the human body require sufficient amounts of oxygen to survive and perform their…

Q: Explain why puncturing the pleural membrane (pneumothorax) causes the lung to collapse

A: Pleural membrane helps in the protection and lubrication of lungs.As lungs expands and contract…

Q: You are called to the scene of a patient with a decreased level of consciousness, snoring…

A: C) Placement of LMA(laryngeal mask airway). This is used when the gag reflex is intact and also when…

Q: List the branches of the bronchial tree.

A: The bronchial tree comprises the bronchi along with its various branches that transport air to the…

Q: What is the difference between the body surface pressure (Pbs)* and the alveolar pressure (Palv)?

A: Body surface pressure (Pbs) is usually the pressure at the body surface that is usually 0 until the…

Q: Label the parts in the section of a normal lung: alveolar space, alveolar wall Normal lung (400X)

A: Alveoli are tiny air sacs in the lungs that take up the oxygen to breathe in and keep the body…

Q: In a healthy person at rest, what are the gas pressures at the end of the pulmonary capillaries…

A: A group of organs and tissues that help us to breathe are called the human respiratory system. The…

Q: CLINICAL SCENARIO Buboy age 25 had multiple stabbed wounds on his extremities, his legs are drenched…

A: Nursing theories They explain the fundamental aspects of patient care and nursing practice. They…

Q: which mechanism does bronchiolitis cause destruction of alveoli? Is emphysema genetic? Can…

A: Chronic obstructive pulmonary disease (COPD) is a lung disease that prevents air passage from the…

Q: What causes the partial vacuum (negative pressure) inside the pleural cavity? What happens to a lung…

A: The pleurae are serous membranes which fold back to themselves to construct a two-layered membranous…

Q: ull up- In --------- ------------, fatal cerebral hypoxia is due to occlusion of the airway by l

A: We know Cerebral hypoxia is a medical condition in which there is decreased oxygen flow getting in…

Q: The lungs are perfused by two different circulations. Name these circulations and indicate their…

A: Lungs are the organ present in the body that is principally responsible for carrying out…

Q: 36. Name the 3 components that make up the respiratory membrane and sketch it out. Respiratory…

A: The respiratory system involves nose, mouth, pharynx, larynx, trachea, bronchus, bronchioles, lungs,…

Q: What function do alveolar macrophages serve What would happen to the respiration of an individual…

A: alveolar macrophages are the immune cells present in the luminal surface of the alveolar space in…

Q: When a patient has chronic bronchitis, what happens to the alveolar capillary junction?

A: Step 1 Chronic bronchitis, a type of chronic obstructive pulmonary disease or COPD, which is a group…

Q: 1. Name any two tissues involved with upper respiratory tract

A: We can say that The respiratory tract consists of the organs which are involved in the process of…

Q: Briefly describe the following breath sounds: Crackles  Wheezing

A: The respiratory system contributes to the breathing that comprises the inhalation and exhalation…

Q: Describe the impact narrowing or widening the passages of the airway would have on gas exchange.

A: The lungs are organs of the body that helps in the exchange of gases (oxygen, carbon dioxide)…

Q: Anatomical dead space includes air in the: A Conducting zone B Respiratory zone C Pleural sac D Both…

A: The respiratory system is a biological system consisting of specific organs and structures used for…

Q: Mention the function of epiglottis.

A: Epiglottis is a cartilaginous flap. It is located on the top of the larynx.

Q: Figure shows nervous control during breathing. a)What happened to S during inspiration? b)Identify…

A: S represents the rib muscles do, during inspiration contraction of external intercostal muscles will…

Q: Which of these images best illustrates changes in lung function caused by acute asthma? Choose from…

A: Asthma is a condition in which your airways become narrower and swollen and may produce more mucus.…

Q: Discuss the major parts and functions of the respiratory system.

A: It is a biological system that consists of certain organs and uses them in exchange for gas. All the…

Q: How does a pneumothorax affect lung volume and alveolar pressure when inspiratory muscles contract?…

A: A collapsed lung is known as a pneumothorax. It occurs on leakage of air into the space present…