PNB 2265 Practical 2 Questions And
Answers.
alveoli - Answer where does gas exchange occur
emphysema - Answer a pathological condition characterized by destruction of the respiratory
bronchioles and alveoli
tuberculosis - Answer the result of fibrous scar tissue formation; destruction of alveoli
spirometry - Answer a method to experimentally determine pulmonary functions
PCO2, HCO3 - Answer blood pH level is regulated by controlling ___ and ___ levels
high PCO2 - Answer respiratory acidosis results from
excess CO2 in inspired air, decreased alveolar ventilation, increased production of CO2 - Answer
respiratory acidosis causes (3)
hypercatabolic disorders - Answer increased production of CO2 caused by
central respiratory depression, nerve/muscle disorders, lung/chest defects, airway obstructions
- Answer decreased alveolar ventilation caused by (4)
reduced PCO2 - Answer respiratory alkalosis results from
increased alveolar ventilation, hypoxaemia, pulmonary abnormalities, lactogenic effects on
ventilation - Answer causes of respiratory alkalosis (4)
<7.35 - Answer acidosis pH
>7.35 - Answer alkalosis pH
metabolic alkalosis - Answer pH>7.35, HCO3 > 26
respiratory alkalosis - Answer pH > 7.35, PCO2 < 35
, respiratory (PCO2 > 45) - Answer metabolic alkalosis leads to ___ compensation
renal (HCO3 < 22) - Answer respiratory alkalosis leads to ___ compensation
metabolic acidosis - Answer pH <7.35, HCO3 < 22
respiratory acidosis - Answer pH < 7.35, PCO2 > 45
respiratory (PCO2 <35) - Answer metabolic acidosis leads to ___ compensation
renal (HCO3 > 26) - Answer respiratory acidosis leads to __ compensation
35-45 - Answer normal range for PCO2
22-26 - Answer normal range for HCO3
peristalsis - Answer propel contents of GI tract
segmentation - Answer mix contents of GI tract
slow wave potential (phasic AP firing) - Answer pacemaker cells of GI tract create
acetylcholine - Answer parasympathetic innervation of GI tract, binds to M2 receptor
histamine - Answer paracrine hormone of GI tract
Nifedipine - Answer calcium channel blocker of GI tract
passive transport - Answer no energy input, down concentration gradient
active transport - Answer requires energy, against concentration gradient
sodium potassium pump - Answer primary active transport example
Answers.
alveoli - Answer where does gas exchange occur
emphysema - Answer a pathological condition characterized by destruction of the respiratory
bronchioles and alveoli
tuberculosis - Answer the result of fibrous scar tissue formation; destruction of alveoli
spirometry - Answer a method to experimentally determine pulmonary functions
PCO2, HCO3 - Answer blood pH level is regulated by controlling ___ and ___ levels
high PCO2 - Answer respiratory acidosis results from
excess CO2 in inspired air, decreased alveolar ventilation, increased production of CO2 - Answer
respiratory acidosis causes (3)
hypercatabolic disorders - Answer increased production of CO2 caused by
central respiratory depression, nerve/muscle disorders, lung/chest defects, airway obstructions
- Answer decreased alveolar ventilation caused by (4)
reduced PCO2 - Answer respiratory alkalosis results from
increased alveolar ventilation, hypoxaemia, pulmonary abnormalities, lactogenic effects on
ventilation - Answer causes of respiratory alkalosis (4)
<7.35 - Answer acidosis pH
>7.35 - Answer alkalosis pH
metabolic alkalosis - Answer pH>7.35, HCO3 > 26
respiratory alkalosis - Answer pH > 7.35, PCO2 < 35
, respiratory (PCO2 > 45) - Answer metabolic alkalosis leads to ___ compensation
renal (HCO3 < 22) - Answer respiratory alkalosis leads to ___ compensation
metabolic acidosis - Answer pH <7.35, HCO3 < 22
respiratory acidosis - Answer pH < 7.35, PCO2 > 45
respiratory (PCO2 <35) - Answer metabolic acidosis leads to ___ compensation
renal (HCO3 > 26) - Answer respiratory acidosis leads to __ compensation
35-45 - Answer normal range for PCO2
22-26 - Answer normal range for HCO3
peristalsis - Answer propel contents of GI tract
segmentation - Answer mix contents of GI tract
slow wave potential (phasic AP firing) - Answer pacemaker cells of GI tract create
acetylcholine - Answer parasympathetic innervation of GI tract, binds to M2 receptor
histamine - Answer paracrine hormone of GI tract
Nifedipine - Answer calcium channel blocker of GI tract
passive transport - Answer no energy input, down concentration gradient
active transport - Answer requires energy, against concentration gradient
sodium potassium pump - Answer primary active transport example
