Petrol vapours are usually absorbed by inhalation in O a. nose and lining O b. air tubes O c. the lungs O d. none of the above

Q: Immediately after the creation of an opening through the thorax intothe pleural cavitya. air flows…

A: Discussing about creation of an opening through the thorax into the pleural cavity.

Q: Most of the carbon dioxide in the blood is carried in the form of a. dissolved CO2 b.…

A: The respiratory system is the network of organs and tissues that helps an individual breathe. It…

Q: When intrapleural pressure is at its most negative... A. Alveolar pressure is also negative B.…

A: Hi, Thanks For Your Question.  Answer : Correct Option Is A Explanation : Intrapleural Pressure Is…

Q: The structures in the passageways of the lung which become paralyzed in the early stages of chronic…

A: Chronic bronchitis is when the bronchi are inflamed for a long time. Smokers are particularly prone…

Q: to enhance lung expansion is a. Trendelnburg postion b. Fowler's postion c. flat position d. Reverse…

A: During hospitalization, preoperatively and postoperatively, various positions are considered during…

Q: The lungs do not normally collapse because a. they are attached to the thoracic wall with parietal…

A: The respiratory system is the network of organs and tissues that help you relax. It incorporates…

Q: a. The depth of breathing increases and the breathing rate increases b. The breathing rate increases…

A: When we exercise and our muscles work more, the body utilizes more O2 and produces more CO2. The…

Q: The glottis is a flap of tissue which closes the epiglottis when you are eating or when food or…

A: The respiratory system is a biological system in animals and plants that consists of particular…

Q: Gas exchange that occurs at the level of the tissues iscalled ________.a. external respirationb.…

A: Lungs perform important role in gas exchange between the external environment and the internal…

Q: Which of the following statements about choking is true?a. It triggers the cough reflex.b. It occurs…

A: Choking is the obstruction or blockage of the upper respiratory tract by food or foreign objects…

Q: What is the importance of surfactant in the lungs? O it reduces the surface tension of water in the…

A: Lungs are the respiratory organs that receive oxygen from the environment and supply the oxygen to…

Q: What is the function of the conchae in the nasal cavity?a. increase surface areab. exchange gasesc.…

A: The lateral walls of the nasal cavity consist of three projections called, the inferior, middle, and…

Q: n exhalation, which pressure should be HIGHER? a.) pressure in the lungs b.) atmospheric pressure…

A: Exhalation is the process, during which air from the lungs is released out

Q: Which of the following is the air that is pushed out when the 'wind is knocked out of you'? a)…

A: Wind is knocked out of you is basically an idiom that is used when Sudden involuntary constraction…

Q: What is the purpose of the cartilage rings in the trachea and bronchi? they allow constant growth of…

A: Lungs are the respiratory organs, which are placed in the pleural sacs of thoracic region. The…

Q: How is inhaled air modifi ed before it reaches the lungs?a. It must be humidifi ed.b. It must be…

A: Respiration defines the movement of oxygen from the surroundings to the cells within tissues. The…

Q: What is the proper order of expiration. I - alveoli II - mouth III - trachea IV- bronchus a) II,…

A: Breathing (or ventilation) is the process of moving air into and from the lungs to facilitate gas…

Q: Gas exchange occurs between ____________________________. a. alveoli and capillaries b. both c.…

A: Among the organ systems in the body, the respiratory system is the most important organ system. It…

Q: This connects the larynx to the bronchi in the lungs.a. epiglottis c. tracheab. pleura d. esophagus

A: The lungs are a pair of air-filled, spongy organs on either side of the chest (thorax). Via its…

Q: Inspiration occurs when:

A: Respiration is the process of exchange of gases. Inspiration is the movement of air from the…

Q: What would a HIGHER partial pressure indicate? a.) greater amount of gas b.) higher concentration…

A: Introduction Partial pressure is the thermodynamic entity that tells about the force exerted by the…

Q: Match the words with their descriptions. ___ trachea a. muscle of respiration ___ pharynx b. gap…

A: The respiratory system is involved in providing all necessary oxygen to all the parts of the body by…

Q: Which of these is incorrect concerning inspiration?a. The rib cage moves up and out.b. The diaphragm…

A: Option c

Q: 1. THE EFFICIENCY OF NATURAL VENTILATION IS DETERMINED BY 1. the content of carbon dioxid 2. the…

A: Natural ventilation is a way of delivering clean air to a building or space using passive factors…

Q: Surfactant: a) causes a decrease in surface tension b) keeps alveoli dry c) causes an increase in…

A: Given: Surafctant is also called surface active antigen.Thise substances,which when added to the…

Q: A patient has reduced FEV1, and lower lung volumes overall. What is your diagnosis? O the patient…

A: Forced expiratory volume 1 refers to the volume of air that an individual can exhale during a forced…

Q: Laminar flow hoods operate by O A. circulating in-cabinet air through filters O B. circulating…

A: LAMINAR AIR FLOW HOOD This is a chamber where asceptic conditions are maintained, with the help…

Q: The air-transmitting passages of the nose, nasopharynx, larynx, trachea, bronchi, and bronchioles…

A: The respiratory system of the body is responsible for the most vital function of the body, i.e.…

Q: What happens to the pressure in the lungs when structure F contracts? C D B E F

A: The answer is given below.

Q: The trachea A. Conducts air from the larynx into the bronchi B. Is lined with pseudostratified…

A: Trachea is also known as windpipe. Trachea starts from the larynx and run down the sternum. Trachea…

Q: O Only (a) and (b) are correcl. 15. The residual volume keeps lungs inflated. is the normal volume…

A: Lung capacity or total lung capacity (TLC) is the volume of air in the lungs upon the maximum effort…

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: The trachea bifurcates into ______________________________. a. secondary bronchi b. primary bronchi…

A: Trachea is a tube-like organ which connects the larynx to the lungs. It conducts the transports of…

Q: Select one: O a. right primary bronchus O b. alveoli O c. left primary bronchus O d. bronchiole O e.…

A: Various internal organs inside our body has varied functions. They have a crucial role in the…

Q: During expiration, the intra-alveolar pressure isa. lower than the pleural pressure.b. greater than…

A: Intra-alveolar pressure: Intra-alveolar pressure is the pressure that is occupied inside the alveoli…

Q: Sometimes when you talk and eat at the same time, you can start the "peeking reflex" that starts…

A: Digestion is a process of breaking down complex food substances into simpler forms to enable better…

Q: External respiration/gas exchange is O the movement of air through bronchioles. O the movement of…

A: Lungs are the primary organs that are responsible for the respiration of the body.  Other than that…

Q: A hardcore smoker can easily suffer from a prolonged cough. Explain how this condition affects the…

A: Smoking is injurious to health because it causes the problems with respiratory system including our…

Q: In the alveoli Multiple Choice   a)no exchange with the blood occurs.   b) oxygen diffuses out of…

A: Alveoli - Each bronchiole gives rise to vascular bag-like structures known as alveoli.

Q: The cells that secrete surfactant into the alveolar space are O Type Il alveolar cells O Endothelial…

A: Surfactant  is defined as the lipoprotein (mixture of lipid and proteins) comprised of some…

Q: In an infant born prematurely, surfactant production may have not been adequate to maintain alveoli…

A: Lungs are the respiratory organs which receive oxygen from the environment and supply the oxygen to…

Q: What important detergent lines the alveoli in the lungs and keeps the alveoli expanded? None of the…

A: Type 2 alveolar cells secrets alveolar fluid or surfactant ( surfactant are mixture of phospholipids…

Q: Fill in the blank:  We inhale when the diaphragm _______________________.

A: Breathing is the movement of air from outside the body through the bronchial tree and into the…

Q: Pulmonary surfactant: Select one: O a. protects the surface of the lungs O b. eliminates small…

A: Pulmonary surfactant present on the surface of alveoli, linning the epithelium. It consists of…