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A&P 2 Respiratory

QuestionAnswer
Which respiratory-associated muscles would contract if you wereto blow up a balloon? Internal intercostals and abdominal muscles would contract.
Air and food are routed into the proper channels by the ______. pharynx
The loudness of a person's voice depends on ______. the force with which air rushes across the vocal folds
The walls of the alveoli are composed of two types of cells, type I and type II. The function of type II is _______. to secrete surfactant
After the segmental (tertiary) bronchus, the next smaller branch of the respiratoy passageway is (are) the ______. terminal bronchioles
The pleurae are vital to the integrity of the lungs because ______. they produce a lubricating serous secretion, allowing the lungs to glide over the thorax wall during breathing
Surfactant helps to prevent the alveoli from collapsing by ______. interfering with the cohesiveness of water molecules, thereby reducing the surface tension of alveolar fluid
After the segmental (tertiary) bronchus, the next smaller branch of the respiratory passageway is (are) the ______. terminal bronchioles
The lung volue that represents the total volume of exchangeable air is the ______. vital capacity
Which of the following is not a stimulus for breathing? rising blood pressure
Mos of the carbon dioide in the blood is transported as ______. carbaminohemoglobin
The term hypercapnia refers to ______. an increase in the PCO2
Which of the following provide the greatest surface for gas exchange? alveoli
A premature baby usually has difficulty breathing. However, the respiratory sytem is developed enough for survival by ______. 28 weeks
Which of these is not a characteristic of emphysema? bronchial edema
When the diaphragm and external intercostal muscles contract ______. the volume of the thorax increases
Each of the following muscles can function in expiration, except the ______. scalenes
Pulmonary ventilation refers to the ______. movement of air into and out of the lungs
True or false: Respiratory rate is lowest in newborn infants. False
True or false: Descent of the diaphragm results in abdominal breathing. True
True or false: The chest wall becomes more rigid with age. True
True or false: During fetal life, lungs are filled with fluid. True
Which of the following is not a form of lung cancer: small cell carcinoma, squamous cell carcinoma, Kaposi's sarcoma, or adenocarcinoma? Kaposi's sarcoma
True or false: Alveolar surface tension determines lung compliance. True
Tidal volume is air ______. exchanged during normal breathing
Possible causes of hypoxia include ______. too little oxygen in the atmosphere
Respiratory control centers are located in the ______. medulla and pons
True or false: The cardiac notch is found on the right lobe of the lung. False
Impairments of oxygen transport include ______. carbon monoxide poisoning, a form of hypoxemic hypoxia
Created by: naomic
 

 



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