SEARCH
You are in browse mode. You must login to use MEMORY

   Log in to start

Chemical Control of Respiration


🇬🇧
In English
Created:


Public
Created by:
Lapras Fan


0 / 5  (0 ratings)



» To start learning, click login

1 / 9

[Front]


If ventilation increases with no change in metabolism, what does that mean
[Back]


Hyperventilation Increase in pO2 Decrease in pCO2

Practice Known Questions

Stay up to date with your due questions

Complete 5 questions to enable practice

Exams

Exam: Test your skills

Course needs 15 questions

Learn New Questions

Popular in this course

Learn with flashcards

Dynamic Modes

SmartIntelligent mix of all modes
CustomUse settings to weight dynamic modes

Manual Mode [BETA]

Select your own question and answer types
Other available modes

Complete the sentence
Listening & SpellingSpelling: Type what you hear
multiple choiceMultiple choice mode
SpeakingAnswer with voice
Speaking & ListeningPractice pronunciation
TypingTyping only mode

Chemical Control of Respiration - Leaderboard

2 users have completed this course

No users have played this course yet, be the first


Chemical Control of Respiration - Details

Levels:

Questions:

9 questions
🇬🇧🇬🇧
What happens when ventilation decreases with no change in metabolism
Hypoventilation Decrease in pO2 Increase in pCO2
What does hypercapnia and hypocapnia mean
Hypercapnia means rise in pCO2 Hypocapnia means decrease in pCO2
If there is hypoventilation, what can that cause
Decreased removal of carbon dioxide which leads to an increase in carbon dioxide concentration ( hypercapnia ) This leads to an decrease in pH --> respiratory acidosis Kidneys then respond to this by increasing excretion of [HCO3-] which brings the pH near normal --> compensated respiratory acidosis
If there is hyperventilation, what can that cause
Removal of CO2 from alveoli is much more rapid then production Alveolar CO2 concentration then falls which leads to an increase in pH → Respiratory Alkalosis Kidneys respond by secreting less [HCO3-] so it returns near the normal pH Compensated Respiratory Alkalosis
How does metabolic acidosis start
If tissues produce acid ( lactic acid ) this reacts with HCO3- The fall in HCO3- leads to a fall in pH Metabolic acidosis This can be compensated by increasing ventilation
What monitors arterial pO2
Peripheral chemoreceptors located in the carotid and aortic bodies
What effects happens when chemoreceptors are stimulated
Increase in volume and rate of respiration Changes in circulation directing more blood to brain and kidneys Increased blood pumping by the heart
What controls CSF pH
Central chemoreceptors respond to changes in the pH of cerebro-spinal fluid CSF pH is determined by arterial pCO2 CSF [HCO3 - ] controlled by choroid plexus cells Persisting changes in pH corrected by choroid plexus cells by changing [HCO3 - ]