18 Questions
What is the primary function of the medullary center in the medulla oblongata?
Influencing respiration
Which type of hypoxia is characterized by the presence of a toxic agent preventing the tissue from effectively using oxygen?
Histotoxic hypoxia
What happens in anemic hypoxia?
Decreased ability of hemoglobin to transport oxygen
How does hypercapnia influence respiration?
Stimulates central chemoreceptors
Besides cyanide poisoning, what other condition can lead to histotoxic hypoxia?
Carbon monoxide poisoning
What role does cortical influence play in respiration?
Allowing conscious control of respiration
What adjustment do the respiratory and cardiovascular systems make in response to the intensity and duration of exercise?
Increase in blood flow to the lungs
Which factor can increase up to 3 times its value during maximal exercise?
Oxygen diffusing capacity
How does aging affect the respiratory system?
Reduces alveolar macrophage activity
Which disorder is characterized by chronic airway inflammation and hypersensitivity to various stimuli?
Chronic obstructive pulmonary disease
What type of hypoxia may result from decreased hemoglobin production?
Anemic hypoxia
Which influence on respiration is characterized by a decrease in the body's ability to respond to changing oxygen levels?
Hypoxic drive
What is the main factor that affects Hemoglobin affinity for Oxygen?
PO2
In which direction does carbon dioxide move during internal respiration?
From systemic capillaries into tissues
What is the primary function of BPG (Bisphosphate phoglycerate) in red blood cells?
To decrease Hemoglobin affinity for Oxygen
Which hormone can increase BPG levels in red blood cells?
Epinephrine
Where is the respiratory center, which controls breathing, located in the body?
Medulla oblongata
What type of Hemoglobin has a higher affinity for Oxygen, fetal or maternal?
Fetal Hemoglobin
Test your knowledge on the factors influencing respiration and the control centers involved. Explore how cortical influences, chemoreceptors, hypercapnia, and hypoxia impact the respiratory system.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
