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?