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KEMBERLY RUFFIN
week 14
Question | Answer |
---|---|
The mechanisms that produce & maintain the resting membrane potential do so by producing? | Slight excess of positive ions on the outer surface of the plasma membrane. |
Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as? | Hematopoietic stem cells |
The type of membranous tissue that lines the heart and blood vessels is the? | Endothelium |
Memory cells | Become plasma cells when exposed to an antigen |
Internal respiration can be defined as? | The exchange of gases between the blood capillaries and the tissue cells |
Ciliated cells lining the respiratory tract | Help move the mucus blanket toward the pharynx |
External respiration can be defined as? | The exchange of gases between the lungs and blood capillaries in the lung & pulmonary ventilation |
The intestinal hormone cholecystokinin | Causes the pancreas to increase exocrine secretions high in enzyme content. Opposes the influence of gastrin on gastric parietal cells. Stimulates the contraction of the gallbladder. |
The enzyme pepsin begins the digestion of? | Protein |
Which blood vessel carries absorbed food from the GI tract to the liver? | Portal vein |
Which of the processes of mechanical digestion involves the esophagus? | Peristalsis and deglutition |
The major site for absorption of the end products of digestion is the? | Small intestine |
Excessive fluid in the pleural cavity would be most likely to cause? | Decreased vital capacity |