Matching questions
1-49 of 49
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Chemical Control
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Factor in Regulating Breathing;
◦ blood gases, chemoreceptors
1. peripheral chemoreceptors
2. central chemoreceptors
Respiration
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, The exchange of air
- Atm <-> lungs <-> blood <-> cells
Includes:
• 1. pulmonary ventilation
a) inspiration b) expiration
• 2. external respiration
• 3. internal respiration
Pulmonary Ventilation
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• ATM <-> Lungs
• 1. quiet inspiration
• 2. forced inspiration
• 3. quiet expiration
• 4. forced expiration
Lungs don't collapse because Pip is always below Palv (in a healthy person)
Set rate, depth, and rhythm of breathing
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, Part of respiratory control:
◦ respiratory centre in medullar oblongata
◦ regulation not well understood -> presence of pacemaker has not been
reliably demonstrated in adults
◦ 2 groups of neurons -> ventral (VRG) and dorsal (DRG) respiratory groups
- VRG: expiratory + inspiratory neurons; DRG receives input from
chemoreceptors and modifies VRG output; VRG also generates rate
Tidal Volume (TV)
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A lung volume;
- inspired or expired air, quiet respiration; ~500mL
Lung Volumes
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a) tidal volume (TV) - inspired or expired air, quiet respiration; ~500mL
b) inspiratory reserve volume (IRV) - excess over TV taken in on max
inspiration (~3000mL)
c) expiratory reserve volume (ERV) - excess air over TV pushed out on max
expiration (~1200mL)
d) residual volume (RV)
volume of air • in lungs after max expiration (~1200mL)
e) minute respiratory volume (MRV)
1-49 of 49
Click a definition to match it with a term
Chemical Control
Give this one a try later!
Factor in Regulating Breathing;
◦ blood gases, chemoreceptors
1. peripheral chemoreceptors
2. central chemoreceptors
Respiration
Give this one a try later!
, The exchange of air
- Atm <-> lungs <-> blood <-> cells
Includes:
• 1. pulmonary ventilation
a) inspiration b) expiration
• 2. external respiration
• 3. internal respiration
Pulmonary Ventilation
Give this one a try later!
• ATM <-> Lungs
• 1. quiet inspiration
• 2. forced inspiration
• 3. quiet expiration
• 4. forced expiration
Lungs don't collapse because Pip is always below Palv (in a healthy person)
Set rate, depth, and rhythm of breathing
Give this one a try later!
, Part of respiratory control:
◦ respiratory centre in medullar oblongata
◦ regulation not well understood -> presence of pacemaker has not been
reliably demonstrated in adults
◦ 2 groups of neurons -> ventral (VRG) and dorsal (DRG) respiratory groups
- VRG: expiratory + inspiratory neurons; DRG receives input from
chemoreceptors and modifies VRG output; VRG also generates rate
Tidal Volume (TV)
Give this one a try later!
A lung volume;
- inspired or expired air, quiet respiration; ~500mL
Lung Volumes
Give this one a try later!
a) tidal volume (TV) - inspired or expired air, quiet respiration; ~500mL
b) inspiratory reserve volume (IRV) - excess over TV taken in on max
inspiration (~3000mL)
c) expiratory reserve volume (ERV) - excess air over TV pushed out on max
expiration (~1200mL)
d) residual volume (RV)
volume of air • in lungs after max expiration (~1200mL)
e) minute respiratory volume (MRV)
