BioFax Quiz 3 - Respiratory System:
 
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1. The air sacs in the lungs are correctly called:
  
 
2.Food is prevented from entering the trachea during swallowing by the:
  
 
3. Food is prevented from entering the nasal cavity during swallowing by the action of the:
  
 
4. The vocal cords are located in the upper portion of the:
  
 
5. The smallest diamater passageway from the following list is the:
  
 
6. When an individual is breathing at rest, he/she is inspiring and expiring a volume of air called the:
  
 
7. Complete the following chemical equation: Hb + O2 -------->_______
  
 
8. The majority of oxygen in the bloodstream is carried in red blood cells on a globular protein called:
  
 
9. When you eat "ribs" at a steakhouse, you are actually eating:
  
 
10.Which structure is used by an earthworm during gas exchange?
  
 
11.Which blood vessels directly receive the most oxygen from the alveoli?
  
 
12.The maximum volume of air an individual can exhale following a maximum inhalation is called:
  
 
13.When stretch receptors in the lungs sense that the lungs are full, nerve impulses travel up ______ to the _______.
  
 
14.The majority of carbon dioxide is carried through the bloodstream in the form of:
  
 
15.Emphysema is a breathing disorder in which the _________ break down so that the surface area for gas exchange is decreased.
  
 
16.When few nerve impulses travel down motor nerves from the breathing centre, this muscle relaxes:
  
 
17.HbCO2 is commonly known as:
  
 
18.Approximately ___ % of carbon dioxide is carried as HbCO2.
  
 
19.The respiratory system of mammals includes:
  
 
20.A standard test for carbon dioxide gas is to add it to __________ which will then turn cloudy.
  
 
21.Unlike humans, grasshoppers take air into their abdomens through tiny openings called:
  
 
22.Once air enters the abdomen of a grasshopper it travels through tiny tubes called:
  
 
23.Hemoglobin is a globular protein made of ____ polypeptide chain(s).
  
 
24.One hemoglobin molecule can carry _____ molecule(s) of oxygen.
  
 
25.The _______ membranes connect the lungs to the ribs so when the ribcage expands the lungs also do.
  
 
26.Fish are able to extract oxygen from water due to a process called:
  
 
27.Large organisms rely on the respiratory system to take in oxygen and then ______ system to deliver the oxygen to the tissues.
  
 
28.A cluster of many alveoli is most specifically called a(n):
  
 
29.Which lung volume approaches your vital capacity (in volume of air) during exercise?
  
 
30.You have to breathe because oxygen is needed for:
  
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