The actual sites of gas exchange within the lungs are - ANS Alveoli
During an attack of asthma, an individual's - ANS Bronchioles constrict
Most of the carbon dioxide in the blood is transported as - ANS Bicarbonate ions in the plasma
The most important gas to regul...
The actual sites of gas exchange within the lungs are - ANS Alveoli
During an attack of asthma, an individual's - ANS Bronchioles constrict
Most of the carbon dioxide in the blood is transported as - ANS Bicarbonate ions in the
plasma
The most important gas to regulate respiratory rate is - ANS CO_2
Too much CO_2 will cause __________ in the blood and result in _______________. - ANS
more H^+; respiratory acidosis
Air moves into the lungs because - ANS The gas pressure in the lungs is less than outside
pressure
Parietal cells in the stomach secrete - ANS Hydrochloric acid
An intestinal hormone that stimulates the pancreas to release buffer for regulation of intestine
pH is - ANS Secretin
An intestinal hormone that stimulates the pancreas to release insulin - ANS GIP
The fusion of the hepatic duct and the cystic duct forms the - ANS Common bile duct
The exocrine portion of the pancreas is composed of - ANS Pancreatic acini
The nutrient rich blood is transported from small intestine to liver through the - ANS Hepatic
portal vein
When the glucoses in the lumen of small intestine are higher than blood, the glucoses are
absorbed through - ANS Facilitated diffusion
The following nutrient is absorbed and transported through the lacteal and lymphatic circulation
before entering the blood circulation. - ANS Fatty acids
Most of small intestine enzymes are from _____________ organs. - ANS Pancreas
, The respiratory epithelum of the conducting airways consists of: - ANS Pseudostratified
ciliated columnar epithelium
The respiratory defense system is important because it - ANS Helps filter air, warm the air,
keep debris and pathogens out
The diameter of bronchioles can change because their walls contain - ANS Smooth muscle
Harry suffers from cystic fibrosis and has severe breathing difficulties. His problems result from -
ANS Thick mucous secretions in the lungs that are difficult to transport gases
Asthma is - ANS An acute condition resulting from unusually sensitive, irritated conducting
airways
Air moves out of the lungs when the pressure inside the lungs is: - ANS Greater than the
pressure in the atmosphere
During exercise, which of the following muscles contract for active exhalation: - ANS
Rectus abdominis and internal intercostal muscles
What is the name of the disease that causes respiratory acidosis? - ANS Emphysema
A 10% increase in the level of carbon dioxide in the blood will: - ANS Increase in the rate of
breathing
Carbon dioxide is carried in three forms in the blood. Ranking them from greatest to least
amount carried, the sequence would be: - ANS Bicarbonate ion, carbaminohemoglobin,
and dissolved in plasma
Large blood vessels and lymphatics are found in the - ANS Submucosa
The following does not contain mucous cells in the epithelium: - ANS Esophagus
Chief cells secrete: - ANS Pepsinogen
These enhance the absorptive effectiveness of the small intestine - ANS Plicae circulares,
villi, microvilli, and intestinal movements
The intestinal hormone that stimulates the pancreas to release a watery, bicarbonate-rich fluid
and stimulates liver to release bile is: - ANS Secretin
An intestinal hormone that stimulates the release of insulin from the pancreatic islet cells is: -
ANS GIP (gastric inhibitory peptide)
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