BME 235 Respiratory I Test With Complete Solution

BME 235 Respiratory I Test With
Complete Solution

Respiratory System - ANSWER _____________ _____________ consists of a system
of tubes that delivers air to the lungs




Oxygen; CO2 - ANSWER _______ diffuses into the blood, and __________ diffuses
out




Cardiopulmonary System - ANSWER Respiratory and cardiovascular systems
work together to deliver oxygen to the tissues and remove carbon dioxide




- Disorders of lungs directly affect the heart and vice versa




Respiratory; Urinary - ANSWER _____________ system and the _____________
system collaborate to regulate the body's acid-base balance




Respiration - ANSWER a term used to refer to ventilation of the lungs
(breathing)




Respiration Functions - ANSWER - Gas Exchange: O2 and CO2 exchanged

,between blood and air




- Communication




- Olfaction




- Acid-Base balance: influences pH of body fluids by eliminating CO2




- BP Regulation: by helping in synthesis of angiotensin II




- Blood and Lymph Flow: breathing creates pressure gradients between
thorax and abdomen that promote flow of lymph and blood




- Blood Filtration: lungs filter small clots




- Expulsion of Abdominal Contents: breath-holding assists in urination,
defecation, and childbirth (Valsalva maneuver)




Principal Organs of Respiratory System - ANSWER nose, pharynx, larynx,
trachea, bronchi, lungs

, Alveoli - ANSWER Incoming air stops in the ___________




- Millions of thin-walled, microscopic air sacs




- Exchanges gases with the bloodstream through the alveolar wall, and then
flows back out




Conducting Division (of respiratory system) - ANSWER Consists of alveoli and
other gas exchange regions




Upper Respiratory Tract - ANSWER in head and neck




- Nose through larynx




Lower Respiratory Tract - ANSWER organs of the thorax




- Trachea through lungs




Visceral Pleura - ANSWER serous membrane that covers lungs