CH 12 Flashcards
The Respiratory System
There is a five-year-old, who is stubbornly giving his babysitter trouble. He is threatening to hold his breath so he turns blue and dies if he does not get his way. His wise babysitter ( an A&p student) allows him to hold his breath. What does the babysitter know? Select all the applies?
Volunteer control of breathing is limited. Breathing is controlled by respiratory center in the medulla oblongata.
As Peter holds his breath, carbon dioxide levels will raise his blood.
Peters central and peripheral chemo receptors will detect your rise in pH.
If Peter is stubborn enough to pass out from holding his breath, his medulla oblongata will start his breathing again as soon as Peter is unconscious
Happen if a runner does a sprint at the end of the race and undergoes anaerobic respiration, resulting in a buildup of lactic acid, which enters the blood?
Her respiratory rate would Increase
Oxygen molecules bind____________ the hemoglobin
Specifically to the heme region
Single hemoglobin displaying a saturated level of 75% would be bound to_____________?
Three oxygen molecules
Following structures is considered part of the upper respiratory track?
Pharynx
Which of the following structures is considered part of the lower respiratory tract?
Lungs
What is the definition of a vital capacity?
The maximum amount of air that can be moved
Lobes does the right lung have?
Three lobes
What structure serves as common passageway for food and air
Pharynx
Structures of respiratory trap are the proper sequence of a breathing traveling towards the lung
Trachea, to the bronchi, to the bronchial tree, and to the alveoli
Alkalosis if the pH of the blood is greater than what
7.45
What are the grape light clusters at the end of each bronchioles?
A alveoli
What’s another name for voice box?
Larynx
Your passes through the part of the pharynx in what order
The nasopharynx-the oropharynx- the laryngopharynx
