Respiratory Quiz/ Assignment
late distal convoluted tubule and collecting duct
ADH acts on the ______ to regulate facultivate water reabsorption
true
True or False?: ADH increases water reabsorption when plasma osmolarity is high
false
True or False?: more CO2 dissolves in the blood plasma than is carried in the RBC's
oxygen moves from the alveoli to the pulmonary capillaries; CO2 moves from the tissues to the systemic capillaries
in external respiration ________, while ________ occurs in internal respiration
increase of pH
increased secretion of hydrogen ions into urine would result in an ______ in the blood
pressure within the alveoli of the lung
intrapulmonary pressure is the _____
decrease in pH (acidosis) weakens the hemoglobin-oxygen bond
more oxygen is released when.....
pneumotaxic area
short, rapid breathing is stimulated by the _____ area of the pons
increasing CO2 levels
after holding our breath briefly, what eventually forces us to take a breathe?
medulla & pons
Respiratory control centers are located in the ________.
tertiary (segmental) bronchus
a bronchopulmonary segment is directly supplied by a _______
greater than the pressure in the atmosphere
air moves out of the lungs when the pressure inside the lungs is ________.
carbon dioxide
bicarbonate ions are converted to _____ at the alveolus.
both inspiratory and expiratory
during forced ventilation, which medulla rhythmicity area is active?
heart rate
what doesn't effect the binding of oxygen to hemoglobin?
cartilage rings
what maintains the openness of the trachea?
Apneutic area
what portion of the regulatory centers that control breathing is located in the pons & promotes inspiration?
increasing percent of oxygen inhaled
what would increase saturation of hemoglobin with oxygen?
alveolus
what's the primary site of gas exchange?
exhale more CO2
when pulmonary ventilation increases in response to increased arterial carbon dioxide levels, the body is trying to......
atrial natriuetic peptide
which hormone is secreted when there's an increase in blood volume?
trachea
which structure is located anterior to the esophagus & carries air to the bronchi?
capillaries
which type of blood vessels surround the alveoli?