Upgrade to remove ads
RESPIRATORY SYSTEM (Exam 2)
Terms in this set (24)
Carina of Strachea
Right Main Bronchus
During inhalation, air moving into the lobar bronchi comes from the ____ bronchi.
A(n) ____ molecule consists of four polypeptide chains and four heme groups.
air sac in the lung
Airways in the lungs that lead from the bronchi to the alveoli.
branches of the respiratory bronchioles that lead directly to the alveoli
Indicate two changes that will trigger increased alveolar ventilation
- Increased blood levels of CO2
- Decreased blood PH
List in order the steps that result in blood CO2 levels having an effect on central chemoreceptors.
-Co2 crossed blood brain barrier
- CO2 combines with water to form carbonic acid (H2CO3)
- Carbonic acid ionizes, releasing hydrogen Ions (H+)
- Hydrogen ions stimulate centra chemoreceptors
The ___ pleura is a serious membrane closely attached to the lung surface. The ___ pleura lines the pleural cavity.
What are three forms in which carbon dioxide is transported in the blood?
-Dissolved in plasma
-As bicarbonate ions
An increase in blood CO2 or decrease in blood PH will lead to what change in respiration.
Alveolar ventilation will increase
The mechanism of breathing involves two main processes: inspiration and expiration. Inspiration occurs when the diaphragm and the external intercostal muscles contract. Expiration occurs when the diaphragm and the intercostal muscles relax.
Describe the nasal septum and nasal conchae.
Locate and describe the paranasal sinuses.
Describe the three subdivisions of the pharynx.
the nasopharynx, the oropharynx, and the laryngopharynx
OTHER SETS BY THIS CREATOR
TEAS Focused Review: Genitourinary System
Intro to Psychology Concept Check Questi…
Exam 4 Review (Ch 23: Pregnancy)
OTHER QUIZLET SETS
Hearing Aid Care
Chapter 4 considerations of extended life
Test 3: Respiratory, Digestive, Urinary