Cardiovascular System, Respiratory System
... and bronchia, pleural cavities, lungs, surface anatomy of the thorax. Histology: conduct part, respiratory part, pleura, blood circulation. Physiology: lung ventilation, gas exchange between air and blood, transport of the breathing gases between lungs and tissues, regulation of the lung ventilation ...
... and bronchia, pleural cavities, lungs, surface anatomy of the thorax. Histology: conduct part, respiratory part, pleura, blood circulation. Physiology: lung ventilation, gas exchange between air and blood, transport of the breathing gases between lungs and tissues, regulation of the lung ventilation ...
Respiratory Failure
... The first is the action of blood and tissue buffers, of which the most important involves reaction of H+ ions with bicarbonate to form carbonic acid, which, under the influence of the enzyme carbonic anhydrase dissociates to form CO2 and water ...
... The first is the action of blood and tissue buffers, of which the most important involves reaction of H+ ions with bicarbonate to form carbonic acid, which, under the influence of the enzyme carbonic anhydrase dissociates to form CO2 and water ...
GLU in urine
... a decrease in blood pressure results in less NaCl present at the distal tubule, where the macula densa is located. In bleeding ::: decreasing GFR , fluid , Na+ reaching distal tubules So we want to bring GFR to normal by increasing ,, the macula densa senses this drop in salt concentration and ...
... a decrease in blood pressure results in less NaCl present at the distal tubule, where the macula densa is located. In bleeding ::: decreasing GFR , fluid , Na+ reaching distal tubules So we want to bring GFR to normal by increasing ,, the macula densa senses this drop in salt concentration and ...
Strain Rate Imaging
... • ‘Speckles’ are small dots or groups of myocardial pixels that are created by the interaction of ultrasonic beams and the myocardium. • Considered as acoustic fingerprint for that region. • This enables to judge the direction of movement, the speed of such movement, and the distance of such movemen ...
... • ‘Speckles’ are small dots or groups of myocardial pixels that are created by the interaction of ultrasonic beams and the myocardium. • Considered as acoustic fingerprint for that region. • This enables to judge the direction of movement, the speed of such movement, and the distance of such movemen ...
Cardiovascular homeostasis in health & disease
... Fainting and Syncope • Fainting--Feeling of dizziness due to decreased cerebral perfusion but not sufficient to cause loss of consciousness. • Syncope—Temporary impairment of consciousness due to reduction in cerebral blood flow ...
... Fainting and Syncope • Fainting--Feeling of dizziness due to decreased cerebral perfusion but not sufficient to cause loss of consciousness. • Syncope—Temporary impairment of consciousness due to reduction in cerebral blood flow ...
2002 - reptile respiration and controlled ventilation during anesthesia
... Anesthetized reptiles become apneic during anesthesia due to the combined effects of high pulmonary and carotid oxygen tensions, the absence of a muscular diaphragm and the reliance on skeletal muscle movement for ventilation (Bennett, 1996; Perry, 1998). It is therefore recommended that reptilian ...
... Anesthetized reptiles become apneic during anesthesia due to the combined effects of high pulmonary and carotid oxygen tensions, the absence of a muscular diaphragm and the reliance on skeletal muscle movement for ventilation (Bennett, 1996; Perry, 1998). It is therefore recommended that reptilian ...
A Global Model for the Cardiovascular and Respiratory System
... blood flow, the Frank-Starling mechanism, the Bowditch effect, and the role of oxygen and carbon dioxide in respiratory control. Chapter 2 is dedicated to the respiratory part of the model. The model is composed of two compartments, the lungs and the tissue compartment. The compartments are connecte ...
... blood flow, the Frank-Starling mechanism, the Bowditch effect, and the role of oxygen and carbon dioxide in respiratory control. Chapter 2 is dedicated to the respiratory part of the model. The model is composed of two compartments, the lungs and the tissue compartment. The compartments are connecte ...
Fatigue
... a. Increasing the number of action potentials on an axon in a given period of time would cause __________________________ summation. b. Increasing the number of synapses from different neurons would cause __________________ summation. ...
... a. Increasing the number of action potentials on an axon in a given period of time would cause __________________________ summation. b. Increasing the number of synapses from different neurons would cause __________________ summation. ...
Mechanical Ventilation
... tissue has been damaged, usually due to their being overstretched by chronic coughing. Patients with emphysema have a very high lung compliance due to the poor elastic recoil, they have no problem inflating the lungs but have extreme difficulty exhaling air. In this condition extra work is required ...
... tissue has been damaged, usually due to their being overstretched by chronic coughing. Patients with emphysema have a very high lung compliance due to the poor elastic recoil, they have no problem inflating the lungs but have extreme difficulty exhaling air. In this condition extra work is required ...
B. True or False/Edit
... ___ 48. In the adult, the rate of blood flow through the pulmonary circulation is ___________the rate of blood flow through the systemic circulation. a. greater than b. equal to c. less than d. not related to ___ 49. The ventilation (air flow) to perfusion (blood flow) ratio, written as the V/P rati ...
... ___ 48. In the adult, the rate of blood flow through the pulmonary circulation is ___________the rate of blood flow through the systemic circulation. a. greater than b. equal to c. less than d. not related to ___ 49. The ventilation (air flow) to perfusion (blood flow) ratio, written as the V/P rati ...
CHAPTER 1 Anatomy and physiology of the human respiratory system
... more nonuniform as the frequency of breathing increases. If RC constants match between central and peripheral units, ventilation will remain uniform in spite of unequal resistances to flow. Rohrer did not measure regional compliances although he discussed this problem. Ross [13] compared measurement ...
... more nonuniform as the frequency of breathing increases. If RC constants match between central and peripheral units, ventilation will remain uniform in spite of unequal resistances to flow. Rohrer did not measure regional compliances although he discussed this problem. Ross [13] compared measurement ...
Physiology MCQs
... more oxygen is supplied to tissues by a fall in 2,3 DPG levels 2,3, DPG levels are increased by ascent to 7,000 metres 2,3 DPG levels in stored blood increase oxygen dissociation curve shifts right with a drop in temperature ...
... more oxygen is supplied to tissues by a fall in 2,3 DPG levels 2,3, DPG levels are increased by ascent to 7,000 metres 2,3 DPG levels in stored blood increase oxygen dissociation curve shifts right with a drop in temperature ...
Determinants of GFR - BHS116.3 Physiology III
... • A severe increase in efferent arterial resistance (constriction) increases glomerular capillary hydrostatic pressure, but also increases the colloid osmotic pressure (due to the decreased renal blood flow). This results in a net decrease in GFR. ...
... • A severe increase in efferent arterial resistance (constriction) increases glomerular capillary hydrostatic pressure, but also increases the colloid osmotic pressure (due to the decreased renal blood flow). This results in a net decrease in GFR. ...
File - Wk 1-2
... 1. When ventilation exceeds the ability of the blood to pick up oxygen (i.e. with ↓ CO after a heart attack) 2. When ventilation is not great enough to provide the oxygen needed to oxygenate the blood flowing through the pulmonary capillaries (i.e. asthma → bronchiole constriction → ↓ air delivery t ...
... 1. When ventilation exceeds the ability of the blood to pick up oxygen (i.e. with ↓ CO after a heart attack) 2. When ventilation is not great enough to provide the oxygen needed to oxygenate the blood flowing through the pulmonary capillaries (i.e. asthma → bronchiole constriction → ↓ air delivery t ...
Dear Notetaker:
... o Lower ventilation perfusion ratio (shunt) o More blood flow but does not get fully oxygenated - Airway obstruction that blocks air way leads to shunt situation, decrease ratio - Vascular obstruction leads to increase ratio, leads to dead space situation Local controls of ventilation perfusion rati ...
... o Lower ventilation perfusion ratio (shunt) o More blood flow but does not get fully oxygenated - Airway obstruction that blocks air way leads to shunt situation, decrease ratio - Vascular obstruction leads to increase ratio, leads to dead space situation Local controls of ventilation perfusion rati ...
Main function of the kidneys.
... Urine is concentrated if necessary. This is possible because of the high concentration of solute in the substance or interstitium of the medulla. This high concentration of solutes is maintained by the counter current mechanism. The loop of Henle is a counter current multiplier and the vasa recta is ...
... Urine is concentrated if necessary. This is possible because of the high concentration of solute in the substance or interstitium of the medulla. This high concentration of solutes is maintained by the counter current mechanism. The loop of Henle is a counter current multiplier and the vasa recta is ...
Control of Respiration
... Respiratory rate and tidal volume are not fixed but can be increased or decreased over a wide range. For simplicity, we shall describe the control of ventilation without discussing whether rate or depth makes the greater contribution to the change. There are many inputs to the medullary inspiratoryn ...
... Respiratory rate and tidal volume are not fixed but can be increased or decreased over a wide range. For simplicity, we shall describe the control of ventilation without discussing whether rate or depth makes the greater contribution to the change. There are many inputs to the medullary inspiratoryn ...
Physiologic changes of pregnancy lect 2
... Maternal changes - anatomical and physiological Cardiovascular ...
... Maternal changes - anatomical and physiological Cardiovascular ...
AQAAS_ch2 Resp.system
... One of the short-term effects of physical activity is to cause a small increase in pulmonary blood pressure, which distorts red blood corpuscles within the alveolar capillary system, and this enables 10 times as much oxygen to be picked up as at rest. ...
... One of the short-term effects of physical activity is to cause a small increase in pulmonary blood pressure, which distorts red blood corpuscles within the alveolar capillary system, and this enables 10 times as much oxygen to be picked up as at rest. ...
The Cardiovascular System
... the cardiac nerve. There are pressure receptors (baroreceptors) located in the aorta and carotid arteries that detect changes in blood pressure, and adjust the heart rate to get it back to normal. ...
... the cardiac nerve. There are pressure receptors (baroreceptors) located in the aorta and carotid arteries that detect changes in blood pressure, and adjust the heart rate to get it back to normal. ...
Circulation: Blood Vessels, Flow, and Regulation
... However, these diameters may be dilated or constricted enormously, as much as four times • Diameter can be altered by nervous or hormonal control • Due to Hagen-Poiseuille Flow and the variability of small arteriole diameter, flow can change up to 44 = 256 times!!! ...
... However, these diameters may be dilated or constricted enormously, as much as four times • Diameter can be altered by nervous or hormonal control • Due to Hagen-Poiseuille Flow and the variability of small arteriole diameter, flow can change up to 44 = 256 times!!! ...
Blood Vessels
... • Blood flow • Volume of blood flowing through a vessel, an organ, or the entire circulation in a given period • Measured as ml/min • Equivalent to cardiac output (CO) for entire vascular system • Relatively constant when at rest • Varies widely through individual organs, based on needs ...
... • Blood flow • Volume of blood flowing through a vessel, an organ, or the entire circulation in a given period • Measured as ml/min • Equivalent to cardiac output (CO) for entire vascular system • Relatively constant when at rest • Varies widely through individual organs, based on needs ...