Which of the following is considered the structural and basic functional unit of the lung that is responsible for the exchange of oxygen and carbon dioxide during respiration? a. Bronchioles b. Lungs c. Bronchus d. Alveoli

Q: Contrast the epithelium of the bronchioles with that of the alveoli and explain how the structural…

A: Anatomy and physiology are the branches of biology, anatomy deals with the study of the structure of…

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: 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: How are the lungs designed in human beings to maximize the area for exchange of gases?

A: Lungs which are part of respiratory system helps to provide enough supply of oxygen to the different…

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: 29 A. Intralobular connective tissue B. Alveoli C. Intralobular duct D. Interlobular duct 30 31 E.…

A: Correct match of the diagram is 29 -E        Interlobular  connective tissue 30- B        Alveoli…

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

A:

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: Diffusion of gases occurs in the alveolar region only and not in the other parts of respiratory…

A: Each alveolus is composed of a thin layer of squamous epithelial cells that are highly permeable and…

Q: The primary function of the pleural membranes is ____ A. to decrease friction and allow the lungs…

A: It is a thin  moist,  slippery membrane having an outer and an inner layer. Between the two layers…

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: Which of the following will NOT facilitate the transfer of oxygen to tissues? a. decreased body…

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

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: What is the importance or value of having the lungs divided into lobes?

A: The process of breathing, which includes the inhalation and exhalation of air from and to the…

Q: Why is breathing through the nasal cavity more desirable than breathing through the mouth?

A: Respiration is a process in which the exchange of gases occurs. It is followed through the…

Q: _____________ is secreted by type II alveolar cells in the mammalianlungs and prevents the collapse…

A: Answer is option e.) Surfactant.

Q: Which of the following is the primary method by which carbon dioxide is transported to the lungs?…

A: Answer is d.) As bicarbonate.

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: What do you mean by alveoli?

A: Alveoli are an important part of the respiratory system whose function it is to exchange oxygen and…

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: 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: 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: What causes wheeze in a patient suffering from an acute exacerbation of asthma? Question 19…

A: Aasthma is an inflammatory condition which results in the narrowing of airways in the lungs. It can…

Q: A smoker develops damage to several alveoli that then can no longer function. How does this affect…

A: The alveoli as the most distal part of the respiratory tract function primarily in gas exchange.…

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: 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: 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: How are the lungs designed in human beings to maximise the area for exchange of gases?

A: The spongy air-filled organs located on the chest either side are called the lungs. The air is…

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: Oxygen in our blood is transported by a protein named: A. haemoglobin B. keratin C.…

A: Oxygen is an essential chemical element, which helps to burn sugar and fatty acid and provide energy…

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: 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…