Exam 3 Quiz Flashcards
What factors determine rate of pulmonary and systemic gas
Partial pressure difference of gases
Surface areal available for gas exchange
Diffusion distance
Molecular weight and solubility
What indicates the direction of gases at the pulmonary alveoli of the lungs?
Oxygen in, CO2 out
TX for gangrene if antibiotics don’t work
Hyperbaric oxygenation
Dominant method of CO2 transport in blood
Dissolved in plasma as bicarbonate ions
When blood pH drops, what happens to oxyhemoglobin and oxygen delivery to tissue cells
Oxyhemoglobin decreases and oxygen to the tissue increases
Most important factor that determines % of oxygen saturation in hemoglobin
Po2, Partial pressure of oxygen
Where is the rhythmicity center for respiration?
The medulla oblongata
Neurons of the pontine respiratory group transmit nerve impulses to the
Medulla
What causes lymph from small intestines to appear white?
Lipids
Left subclavian vein receives lymph from
The thoracic duct
Skeletal muscle and respiratory pumps are used in
Lymphoid, immune and cardiovascular systems
What part of the thymus are T cells thought to die in?
Thymi’s (Hassall’s) corpuscles
Name a function of the spleen
Removes worn out RBCs
An anti-microbial substance that promotes cytolysis, phagocytosis and inflammation
Complete proteins
Genetic recombination generates diversity in what part of the immune system?
Antigen receptors