The pressure difference between the intra-alveolar andintrapleural pressures is called ________.a. atmospheric pressureb. pulmonary pressurec. negative pressured. transpulmonary pressure

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: Which of these statements about the partial pressure of carbon dioxide is true?a. It is higher in…

A: The measure of carbon dioxide in the artery and veins is called partial pressure of carbon dioxide…

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: In human lungs, gas exchange occurs at the______ . a. bronchi c. alveoli b. bronchioles d. pleural…

A: The lungs are pyramid-shaped, paired organs present in the thoracic cavity of the body that are…

Q: The left main stem bronchus angles off from the carina at aboutA. 10–20 degrees from the carina.B.…

A: Carina is defined as the cartilage ridge that is present in the trachea which will separate the…

Q: Label the attached diagram of the upper respiratory system

A: The upper respiratory tract consists of the nose and nasal cavity, pharynx, and larynx. These…

Q: The source of pulmonary surfactant is:- a. the visceral pleura. b. bronchial glands. c. alveolar…

A: Pulmonary surfactant is the blend of lipids and proteins, that are secreted via epithelial type II…

Q: The rate of diffusion would increase by? A) an increase in airway resistance  B) a decrease in lung…

A: Diffusion is the movement of the substance from a higher concentration to lower concentration.

Q: The amount of air moved in and out of the lungs with each normal resting breath is the (a) vital…

A: Lungs are the spongy air-filled organs of the thoracic cavity that function as the primary gaseous…

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: The partial pressure of carbon dioxide is 45 mm Hg inthe blood and 40 mm Hg in the alveoli. What…

A: Partial pressure is the pressure of a single type of gas in a mixture of gases. The total pressure…

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: 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: 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: Expansion of the chest cavity during normal relaxed breathing is accomplished by the diaphragm…

A: Option A : external/internal abdominal oblique is incorrect:  Explanation They are active during…

Q: Fibrosis is a restrictive disease characterised by abnormal formation of fibre-like scar tissue in…

A: Fibrosis is a pathological condition also known as fibrotic scarring. In this condition, the…

Q: Inspiration occurs when:

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

Q: The condition emphysema results in loss of elastic recoil of the lung tissue. Would this make…

A: Emphysema is condition of lungs that causes shortness of breath . This happen due to alveoli damage.…

Q: Massive destruction of alveoli could result in: O A) respiratory alkalosis O B) metabolic acidosis…

A: The alveoli that are the air sacs in the lungs can undergo inflation to cause shortness of breath in…

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: The largest air passages that engage in gas exchange with the blood are:- a. the respiratory…

A: During respiration, oxygen is taken in and carbon dioxide is released out of the body.  There are…

Q: Which of the following is NOT a function of the pleurae and pleural fluid? A. decreasing friction…

A: Pleurae and pleural fluid are related to the lungs. The lungs extend up to T10( 10th thoracic…

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: Air moves into the alveoli as a result of the: (A)Decreased pressure in the chest cavity (B)…

A: Introduction Inspiration/ inhalation is the process when the air in the atmosphere get in to the…

Q: Which of the following would increase the surface tension in the lungs? a. Increased intrapleural…

A: A decreased production of surfactant would increase the surface tension in the lungs.

Q: Which of the following is an abnormal lower airway sound associated with breathing?

A: D) Wheezing Gurgling,snoring and stridor are all found to be the sounds originating in the upper…

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: When the diaphragm ascends, the volume of the lungs increases. O a. True O b. False

A: Breathing is the process through which gaseous exchange takes place inside the body. It consists of…

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: Even people in “good shape” may have trouble breathing at highaltitudes. Explain how this can…

A: The number of gas molecules in the air decreases as altitude rises, making the air less dense than…

Q: Which of the following occurs for expiration to occur? a. the thoracic volume decreases b. the…

A: Respiration is the process which involves the movement of oxygen from external environment towards…

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: How would paralysis of the diaphragm alter inspiration? a. It would prevent contraction of the…

A: A big muscle found beneath the heart and lungs. This is helpful to breathe. During inhaling the…

Q: Which of the following prevents the alveoli fromcollapsing?a. residual volumeb. tidal volumec.…

A: The lungs are pyramid-shaped, paired organs present in the thoracic cavity of the body that are…

Q: oropharyngeal airway

A: An oropharyngeal airway is also known as OPAs. It is used in pediatric patients who are unconscious.…

Q: When ventilation is not sufficient, which of thefollowing occurs?a. The capillary constricts.b. The…

A: Ventilation, also known as breathing is a process through which air moves inside and outside the…

Q: Which of the following is TRUE of airway resistance in the respiratory sys Oa) Resistance increases…

A: Airway resistance is determined by three things- the diameter of the airways, the velocity of air…

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: Explain in detail what this picture shows which part? Bronchus

A: Structure * Bronchus are passageways to  lungs. The first bronchi is in trachea at right and left…

Q: A rapid and shallow ventilatory pattern is calledA. hyperpnea.B. apnea.C. alveolar…

A: Rapid, shallow breathing occurs when an individual takes more breaths than normal in a given minute.…

Q: A. lumen of air sacs 2. B. pulmonary venule C. pulmonary arteriole 4. D. alveoli 5. E. terminal…

A: Given diagram is of alveoli.Alveoli are the site of gaseous exchange. They are present at the end of…