What is the importance of surfactant in the lungs? O it reduces the surface tension of water in the alveoli, making inspiration easier it keeps the surface of the alveoli clear of debris it increases the solubility of 02, making alveolar exchange more efficient O it reduces the surface tension of water in the alveoli, making expiration easier

Q: What is surface tension? Why is surface tension important in the function of the alveoli? What is…

A: Alveoli are small sac like structure which are thin walled and ballon shaped structure which helps…

Q: The smallest inhaled particles are trapped by O Mucus of upper respiratory tract O Alveolar…

A: The respiratory tract is referred to  the path of air from nose into the lungs. It is divided into:…

Q: What happens to tidal volume when you decrease the EPAP (expiratory positive airway pressure) in the…

A: Noninvasive ventilation (NIV) is a technique used to support breathing in patients with respiratory…

Q: Which of the following are responsible for the non-collapsible properties of the conducting airway?…

A: Correct answer is option D. Smooth muscle is responsible for the non-collapsible properties of the…

Q: Atmospheric pressure of air at sea level is usually 760 mmHg. If the pressure in the alveoli is 761…

A: Intra-alveolar pressure refers to the pressure of air present within the alveoli, the gas-exchange…

Q: Respiration includes. OA. breathing OB. inhalation OC. gas exchange OD. cellular respiration OE. all…

A: Introduction  Metabolism refers to the chemical reactions that occur within the cells of the body to…

Q: This type of lung disease is characterized by a decrease in pulmonary elasticity and compliance…

A: Obstructive lung disease includes circumstances that make it hard to breathe out all the air in the…

Q: Obstructive pulmonary disorders (e.g. asthma) are characterized by O reduced lung compliance O…

A: Obstructive pulmonary diseases includes conditions that make it hard to inhale and exhale all the…

Q: At the end of a normal expiration , pleural and alveolar pressures are-5 and 0 cm H2O ,…

A: Expiration and inspiration are two phases of the respiratory cycle that occur during breathing.…

Q: Normally, which of the following keeps the lungs from collapsing?a. surfactantb. pleural pressurec.…

A: The respiratory system of the body helps in the exchange of carbon dioxide (a waste product formed…

Q: During normal expiration the alveolar pressure (Select all that apply.) O increases until the…

A: Oxygen is necessary for cellular respiration and dietary energy metabolism (oxidative…

Q: Think about gas exchange at the respiratory surface. The partial pressure of oxygen (PO2) in the…

A: During gas exchange, oxygen moves from the lungs to the blood stream and supplies the whole body…

Q: Which of these structures are a part of the respiratory membrane? O A stratified squamous epithelium…

A: SINCE YOU HAVE ASKED MULTIPLE QUESTIONS, WE WILL SOLVE THE FIRST QUESTION FOR YOU. IF YOU WANT ANY…

Q: Which of the following is NOT a function of nasal conc O Cleaning incoming air O Disrupting the flow…

A: Nostrils, nasal cavity, pharynx, larynx, trachea, bronchi and bronchioles are part of respiratory…

Q: Air in and out Alveolus Carbon Dioxide Oxygen Capillary Fig 3 Gas Exchange in the Alveolus Source:…

A: The nose (and nasal cavity), throat, trachea, lungs, and diaphragm compose the respiratory system of…

Q: What is the pressure of oxygen within the alveoli at the peak of inspiration, just before…

A: Respiration is a metabolic process through which carbon dioxide is exhaled and Oxygen is inhaled.…

Q: How does oxygen move from the lungs into the bloodstream? O It is pumped from the alveoli into the…

A: Lungs can be defined as the organ of the respiratory system which helps in the exchange of gases…

Q: what can you say about the energy requirements of inspiration and expiration (normal quiet breathing…

A: Introduction: Muscular activity transfers gases into and out of the lungs in bulk. This necessitates…

Q: How does the trend in breathing rate in response to rebreathing (breathing stale air in a plastic…

A: Explanation for the above question is given below

Q: Parasympathethic stimulation of the lungs causes O bronchioles to dilate O bronchioles to constrict…

A: The part of the nervous system that controls bodily functions which are not controlled voluntarily…

Q: which leads to movement of When the diaphragm is contracted, intrapleural pressure a. air decreases;…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: How does surfactant reduce lung recoil? What happens ifthe alveoli have insufficient surfactant?

A: The property of the lungs to expand and contract depending on the changes in the pressure is…

Q: The PO2 in the alveolar space is [ Choose than the PO2 in the capillaries entering the alveoli.…

A: The given image represent the blood vascular system in human body that involves transportation of…

Q: The central pattern generator of respiration includes all of the following EXCEPT the O A. pontine…

A: Central Pattern Generator of Respiration: The central pattern generator (CPG) of respiration is a…

Q: What is the pressure of gas within the alveoli at the peak of inspiration, just before expiration,…

A: Respiration is a metabolic process through which carbon dioxide is exhaled and Oxygen is inhaled.…

Q: John halves his tidal volume and doubles his respiratory rate. Which of the following would this…

A: Ventilation can be outlined as the exchange of gases that occur between the respiratory system and…

Q: The major function of the alveoli is to Select one: O a. moisten the air O b. filter dust and…

A: Alveoli are tiny air sacs present in the lungs which appears as a bunch of grapes. These are also…

Q: During inspiration O The alveolar pressure decreases O The atmospheric pressure increases O The…

A: Respiratory system consists of nostrils, nasopharynx, pharynx, larynx, trachea, bronchus and…

Q: Which of the following are the main functions of the respiratory system? All that apply

A: Respiratory system is a network of organs and tissues that help you in breathing.  It includes your…

Q: Which of the following promotes inspiration? O A. Intrapulmonary pressure dropping below atmospheric…

A: Respiration is a metabolic process in which toxic gas in form of carbon dioxide is removed out from…

Q: At FRC the alveolar pressure is OA. Equal to plural pressure O B. More negative that plural pressure…

A: Correct answer is E. FRC (Functional Residual Capacity) refers to the amount of air remaining in the…

Q: Arrange the following events in the correct order as they occur during inspiration: 1. Air flows…

A: Respiratory system is a body system which is involved in entry of oxygen inside the body and carbon…

Q: Please help

A: Step 1Upper six boxes in order from top to bottom.1. Larynx2. Branch of Pulmonary artery [blue blood…

Q: Alveoli that have normal ventilation and no blood flow has an alveolar PO2 of149 mmHg0 mmHg40…

A: The question is asking for the partial pressure of oxygen (PO2) in the alveoli that have normal…

Q: need help

A: As there two questions given in one, the solution is provided only for the first question. The upper…

Q: Duration of Voluntary Apnea as a Function of Alveolar Minute Volume in a Human Subject 20 15 10 20…

A: Respiratory system consists of nostrils, trachea, and lungs. Lungs possess bronchi, bronchioles, and…

Q: Produce sound Contain 2 pair of small cartilage- For passage of air t connected the pharvnx to trac

A: The larynx is also called as voice box or glottis. It acts as a passage for air as it connects the…

Q: When the lungs are in the rest phase of the breathing cycle, (Select all that apply.) O the alveolar…

A: Introduction: The respiratory system of an individual comprises a group of organs involved in…

Q: For inspiration to occur, which of the following has to happen fırst? O thoracic cavity volume…

A: The process of taking air into the lungs and throwing it out is known as breathing. The exchange of…

Q: A person who has a tidal volume of 450 ml/breath, a respiratory rate of 13 breaths/min and an…

A: Tidal volume is the total volume of air that moves in or out of the lungs with each breathing cycle.…

Q: If an alveolus is poorly ventilated, what is the local compensatory response? Select all that apply.…

A: Alveoli are small air sacs in the lungs that exchange oxygen and carbon dioxide. Poor ventilation of…

Q: THE POINTED STRUCTURE ENTERS THE LUNG ATA?

A: A bronchus is a lower respiratory tract conduit or airway that transports air to the lungs. The…

Q: The area in the lungs that PO2 and PCO2 do not change is called...? O Pleura O Alveoli O Dead Space…

A: Lungs are the major organ where diffusion of gases takes place, CO2 exhales and O2 is inhaled and it…

Q: The body changes alveolar ventilation rates to maintain proper alveolar gas levels. Which of the…

A: Alveolar Ventilation is defined as the exchange of gases occurring between the alveoli and external…