What is the physiological reason for the pulmonary circuit to experience a significantly reduced pressure gradient relative to the systemic circuit? In other words, how is a lower pressure gradient in the pulmonary circuit advantageous for physiological functioning?
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What is the physiological reason for the pulmonary circuit to experience a significantly reduced pressure gradient relative to the systemic circuit? In other words, how is a lower pressure gradient in the pulmonary circuit advantageous for physiological functioning?
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- Why is the pressure in the pulmonary circuit lower than in the systemic circuit?What are the three (3) most common parameters used to distinguish between obstructive and restrictive pulmonary function?Tale Which of the following are determinants of arterial oxygenation? Select all that apply. A) CO2 levels in the blood B) Amount of oxygen in alveolar air C) Amount of hemoglobin present D) CO2 levels in the cerebrospinal fluid
- In a histological cross section stained with H&E, a bronchus can be distinguished from a pulmonary artery by 1) The presence of a pseudo-stratified epithelial layer 2) The absence of surrounding cartilage 3) The presence of a single layer of simple squamous epithelial cells 4) The presence of a thick layer of circumferentially arranged smooth muscleMAP of the pulmonary system is 21 mmHg, Left Atrial Pressure is 3mmHg, and Flow is 5625ml/min. What is the resistance of the pulmonary circuit? Would this be higher or lower resistance than the systemic circuit? Why do you think so?A) How do you know that you assemble the manual resuscitators properly in the figure 19.1? B) Identify at least three ways to increase the FiO2 delivered by a manual resuscitator. C) Identify at least two additional techniques that could be used to improve the patient's PaO2 during manual ventilation. D) What are the complications of manual ventilation?
- Describe the physical principles governing the diffusion of gases into and out of the blood.56) On an Electrocardiogram, which of the following represents the repolarization of the ventricles? Group of answer choices T wave Z wave Q wave QRS complex P wave 57)Which of the following factors help to determine the rate of gas diffusion across the respiratory membrane? Group of answer choices Respiratory membrane surface area Respiratory membrane thickness Diffusion Coefficient All of the above 58) According to Poiseuille’s Law, which of the following will increase the rate of liquid flow? Group of answer choices Increased vessel radius Increased viscosity Increased vessel length 59) Decreasing the pH (increasing H+) in a particular area of the body will _______ the delivery of oxygen from red blood cells to a tissue. Group of answer choices Not affect Increase DecreaseWhat are the three (3) most common parameters used to distinguish between obstructive andrestrictive pulmonary function?
- What is the relationship between aspiration and ventilator-associated pneumonia?It is not usually necessary to assess arterial blood gases when diagnosing and treating asthma. However, this information can sometimes be useful in severe asthma attacks. Suppose that a patient had a PO2 of 60mm hg and a PCo2 of 30mm hg when the patient first went to the emergency room. Explain how that could happen.Knowing the composition of blood is central to our understanding of the overall functions of the cardiovascular system and the respiratory system, and how these systems work together. a) Complete the Table below by;i) Describing the functions of each of the listed blood components.ii) Identifying if the blood component is directly (or indirectly) involved in the transport of respiratory gases. b) Explain how oxygen and carbon dioxide are transported in the bloodstream. Blood Component General Functions Involved in transport of respiratory gases (Yes / No) Plasma Red blood cells White blood cells