What is meant by the rhythm of respiration? a. The actual pattern of respirations b. The sound of the patient's breathing C. The number of breathing cycles per minute d. None of the above
Q: Two opposing mechanisms determine alveolar expansion:_________ leads to alveolar expansion,…
A: The objective of the question is to identify the two opposing mechanisms that determine alveolar…
Q: Which of the following best describes the gas exchange that occurs in the lungs? A. carbon…
A: Ans- c. carbon dioxide diffuses from the capillaries into the alveoli
Q: Compare the timing of respiratory movements during speech and tidal breathing. Compared to…
A: For speech, the expiratory phase is much longer, more drawn out. For speech, the inspiratory phase…
Q: Which of the following is where gas exchange occurs? A. alveoli B. trachea C. intercostal muscles…
A: During the process of gaseous exchange, oxygen moves from the lungs to the blood stream and at the…
Q: Your patient is a 55 year old man who has experienced shortness of breath for the past 2 days. When…
A: Shortness of breath is one of the common condition in many patients and can cause due to a wide…
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: Predict the direction of diffusion of gases between alveoli and alveolar capillaries.
A: The respiratory system is a set of organs that permits an individual to exchange and breathe carbon…
Q: Given these lung volumes:(1) tidal volume = 500 mL(2) residual volume = 1000 mL(3) inspiratory…
A: The function of the respiratory system is to breathe in oxygen (required for the breakdown of food)…
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A: The respiratory system is regulated by respiratory centers located in the medulla oblongata and…
Q: All of the following are true of the airway except A. The largest piece of Cartlidge is the thyroid…
A: Respiration is a biological process where oxygen-rich(for metabolism) air is inhaled from the…
Q: A thin membrane in the lungs act as an actual site of gas exchange found in: a. Secondary…
A: The respiratory system is responsible for gaseous exchange between atmospheric air and blood.…
Q: Which part of the airway has the greatest amount of smooth muscle? A. Trachea B. Primary…
A: Lungs are part of the lower respiratory tract and provide the respiratory surface for gaseous…
Q: Inspiration occurs when barometric pressure: A. Is the same as alveolar pressure B. Is higher…
A: Alveolar pressure is determined whether air will flow into the lungs. The ability to breath is…
Q: Compare the elastic cartilage in the epiglottis to the hyaline cartilage in the trachea. Make 2-3…
A: Cartilage is a smooth elastic tissue.
Q: .Explain the force that could cause the wet surfaces of the alveoli to stick together,especially at…
A: A pulmonary alveolus, also known as an air sac or air space, is one of millions of hollow,…
Q: If alveolar ventilation is 4200 mL/min, respiratory frequency is 12 breaths per minute, and tidal…
A: anatomic dead space is the space within the airways that do not allow gas exchange with the…
Q: At rest, Emma typically takes thirteen 400 mL breaths per minute and she has an anatomical deadspace…
A: The dead space is the volume of the air which is inhaled, however, this does not get exchanged…
Q: The exchange of gases that occurs between the alveolar sac and the pulmonary capillary
A:
Q: Given an alveolar pressure of 760 mm, an intrapieural pressure of 755 Hg and a tidal volume of 450…
A: lung compliance is a measure of the lung's ability to stretch and expand. It is given by change in…
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A: In hospitals or in health care centers, the nurses play a significant role in executing a planned…
Q: Place the events of breathing in order, starting with inhalation and ending with exhalation. Two of…
A: Breathing is a physiological process of the movement of air in and out of the lungs to facilitate…
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A: Breathing (or ventilation) is the way toward moving air into and out of the lungs to encourage gas…
Q: During expiration: A. The diaphragm is relaxed to the make the thoracic cavity larger. B. The…
A: Breathing is a complex process that consists of the inhalation and exhalation phase. The air moves…
Q: Gas exchange between systemic blood vessels and the tissues is called a. Tubular secretion b.…
A: There are two forms of respiration which are- internal respiration and external respiration. In…
Q: Pulmonary edema can occur at high altitude this is happening because a. Of the swelling of the…
A: Pulmonary edema can occur at high altitude this is happening because Of the leakage of fluid out of…
Q: Increasing the size of the thoracic cavity causes the alveolar pressure to: A. Decrease B.…
A: The respiratory system is the system made up of a network of organs and tissues which helps in…
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: What produces the main driving force which drives quiet expiration? A. contraction of the…
A: C. Elasticity of the diaphragm muscle.
Q: During speech the circumference of the chest wall increases and decreases as it moves air in and out…
A: During speech the circumference of the chest wall increases and decreases as it moves air in and out…
Q: What occurs as air descends down through the conducting zone and respiratory zone structure? a.…
A: The respiratory system is divided into two major zones, the conducting zone and the respiratory…
Q: Inspiration occurs when:
A: Respiration is the process of exchange of gases. Inspiration is the movement of air from the…
Q: Where is an accidentally inhaled object, such as a peanut or a small piece of toy, likely to lodge…
A: The inhalation of a foreign object into the respiratory system is called pulmonary aspiration. The…
Q: In the normal resting state, inspiration usually lasts for about _________ seconds and expiration…
A: Pulmonary ventilation is commonly known as breathing. It involves the process of inspiration and…
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- The Law of LaPlace predicts that alveoli at constant wall tension are unstable because a. Small alveoli will have greater pressures than larger alveoli b. Small alveoli will have smaller pressures than larger alveoli c. The Law of LaPlace is not applicable here (choose one)Vital Capacity is the sum of what three lung volumes? a. intake, total capacity, outtake b. inspiratory reserve volume, tidal volume, expiratory reserve volume c. residual volume, wave volume, breath volumeThe change in lung volume as a function of a change in pressure gives a measure of the lung O A. resilience B. resistance O C. capacitance O D. compliance OE. none of the above
- Assuming that pressure remains constant if the radius of a bronchial airway through which gas flows at a rate of 400 l/min is reduced to one half of its original size the flow through the bronchial airway would change to A.10L/min. B.25L/min. C.100L/min. D.200L/min.Which of the following would increase the surface tension in the lungs? a. Increased intrapleural fluid production b. An increased compliance c. A decreased production of surfactant d. Increased elastic recoil 108.What additional muscle actions would be involved in a forced expiration a. Relaxation of abdominals and contraction of external intercostals b. Contraction of pectoralis and contraction of abdominal muscles c. Contraction of abdominal and contraction of external intercostal muscles d. Contraction of abdominal and contraction of internal intercostal muscles
- Coal miners who spend years inhaling fine coal dust have much of their alveolar surface covered in scar tissue. What happens to their lung compliance as a result ? a. goes down b. stays the same c. goes upPlease answer both Lung compliance generally decreases as people age. If nothing else changes, how would this loss of compliance affect the act of ventilation? How would alveolar pressure and lung volume be expected to change in a person with an airway disease that involves fibrosis? WhyDuring expiration, the intra-alveolar pressure isa. lower than the pleural pressure.b. greater than the barometric pressure.c. lower than the barometric pressure.d. unchanged.
- Due to polio, a patient suffers total paralysis of his muscles. For this patient, which of the following values would still be expected to be essentially normal? a. Inspiratory reserve volume b. expiratory reserve volumec. vital capacityd. none of the abovee. total lung capacityIn which zone would the lung have higher arterial pressure than in the venous and alveolar pressure?A. zone 1 b. zone 2 c. zone 3 d. this zone does not existCompare the timing of respiratory movements during speech and tidal breathing. Compared to inspiration for tidal breathing, which statement about the duration of inspiration for speech breathing is true? Group of answer choices A. It is a shorter duration than tidal breathing B. It is a longer duration than tidal breathing C. it is the same duration as tidal breathing