Which of the following best describes the gas exchange that occurs in the lungs?    A. carbon dioxide diffuses into the capillaries from the alveoli  B. oxygen diffuses from the capillaries into the alveoli  C. carbon dioxide diffuses from the capillaries into the alveoli  D. oxygen diffuse into the alveoli from the capillaries

Q: PART I: The diaphragm and the external intercostal muscles are contracted. Choose the true statement…

A: The interexchange of the atmospheric oxygen with carbon dioxide, along with the energy release is…

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: What is the advantage of breathing through the nose rather than the mouth? a. The nose warms,…

A: The breathing can be defined as the inhaling of oxygen and removal of carbon dioxide out of the…

Q: You have placed an advanced airway in a patient with a respiratory condition and his heart rate…

A: In general, we can see the increased heart rate in patients for whom advanced airway has been placed…

Q: In the illustration of the alveolar wall, which of the following labeled cells produces a substance…

A: 5.  Alvoeli are basic respiratory units and are the tiny air sacs or air spaces , in which gaseous…

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: The rhythmic control of breathing is produced by the activity of inspiratory and expiratory neurons…

A: Breathing refers to a rhythmic activity that occurs due to the neuronal network's function within…

Q: if total lung capacity is 7 L and FEV1 remaining volume is 3L, what fraction of the total lung…

A: Given: Total lung capacity = 7 L FEV1 = (forced expiratory volume in one second) Volume remaining…

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: 47 A 45-year-old woman with asthma comes to the physician because of shortness of breath for 3 days.…

A: Asthma is one among the common non communicable diseases that is present globally. The…

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: Which of the following patients has adequate respirations? a. 55 year old woman with paradoxical…

A: Assessment of respiratory system is essential to identify the lung function and associated disease…

Q: The C-shaped cartilages in the tracheaa. serve as a point of attachment for some muscles…

A: Tracheal cartilages: The trachea also called the windpipe houses tracheal rings/tracheal cartilages…

Q: The exchange of gases that occurs between the alveolar sac and the pulmonary capillary

A:

Q: Which statement describes how carbon dioxide exits the bloodstream at its final destination?

A: Diffusion is the process which resulting from random motion of molecules by which there is a net…

Q: Which is the order of airflow during inhalation? a. nasal cavity, trachea, larynx, bronchi,…

A: Step 1 Breathing is ventilation or movement that brings in fresh air into the lungs and removes foul…

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: Your friend thinks that while he is inhaling, the pressure in his lungs increases because they are…

A: Inhalation It is the process of breathing in. Though this process the air enters the lungs and…

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

A: Option c

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: 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: 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: 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 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: Why was it important for us to know the difference between inhalation and exhalation?

A: Breathing should be slow gentle and deep for relaxation and reduction of anxiety. Proper breathing…

Q: Among the relationships of volume, pressure and temperature of gas, which do you think explains why…

A: Introduction: Because the rib cage is not flexible and there is no musculature to move the ribs, the…

Q: Which of the following statements about the removal of inhaled dust from the respiratory system is…

A: There are many dust particles in the air we are going to inhale but our respiratory system is quite…

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: 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: The lung segment called the superior lingula is found in theA. left lung, lower division of the…

A: Respiration is a biochemical process of oxidation of organic compounds in an orderly manner for the…

Q: WHich of the following finding at the apex best explains why ventilation-perfusion ratios are higher…

A: Ventilation perfusion ratio shows the ventilation that is-  the air that reaches the alveoli and…

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: which structure in the respiratory system is the site of gas exchange?

A: The body movements allowing air to enter and leave the lung. It is done by Inhalation and…

Q: When the pressure in the lung is greater than atmospheric pressure:_____     A. inspiration…

A: Step 1 Air is a mixture of gases. Every gas exerts its pressure independent of other gases because…

Q: Compare and contrast the right and left lungs.

A: Lungs are the principal organs of the human respiratory system. They play a vital role in moving the…

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

A: Diagram 1... In lungs,  the trachea terminally expands or elongates into two branches and these grow…