Exam 19: High Altitude and Its Effects on the Cardiopulmonary System

Which of the following are true regarding high altitude natives compared to lowlanders? I.Natives have a lower P₍A₋ₐ₎O₂ II.Natives have an increased DL_CO III.Natives have a lower PaO₂ at rest and exercise

Which receptors are stimulated by the drop in PaO₂ that occurs when lowlanders travel to high altitudes?

What cardiac change is associated with Monge's disease?

How is cardiac output and oxygen uptake affected by prolonged exposure to high altitudes?

What is the most prevalent acid-base abnormality among natives at high altitudes?

Following ascent by lowlanders to high altitudes,when do symptons of acute mountain sickness normally appear?

Which hormone is released from the kidneys in response to hypoxia?

For what duration do adaptive changes occur in the blood after ascent to high altitudes?

How do the VCs lowlanders who ascend to high altitudes compared to those born and raised at high altitudes?

Which of the following simulates a continuous low barometric pressure environment?

What changes will occur in the VC and PEFR within 24 hours of ascent to a high altitude?

What impact does initial high altitude exposure have on the alveolar-arterial oxygen difference?

In a healthy individual,how is ventilation and perfusion affected by high altitude exposure?

What is the term for the body's compensatory responses to relocation to a high altitude from seal level?

To derive physiologic benefits from altitude training,for what duration must athletes be exposed to 2000-2500m?

What is the acronym for the signals sent from the peripheral chemoreceptors to the medulla to increase ventilation ?

Which breathing pattern is often initially seen in lowlanders who ascend to high altitudes?

After what duration at a high altitude will the peripheral chemoreceptors acclimate to the lower PO₂?

In high altitude natives,where are high concentrations of myoglobin located? I.Diaphragm II.Myocardium III.Pectoral muscles IV.Adductor leg muscles

What is another name for Monge's disease?