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RC Quizzes

Lecture notes

QuestionAnswer
wherever the capillaries are... you will find perfusion
Perfusion? blood flow through capillaries
ischemia decreased blood supply to the tissue
Ischemic Cardiac Myopathy heart muscle dying, not enough blood
internal respiration takes place in what circulation? systemic circulation
systemic circulation is everywhere except in the... AC membrane
Parenchyma? the functional element of an organ
what is the Parenchyma of the lungs? the AC membrane
Epinephrine... constricts blood vessels
the further the tissue is away from the heart... the more alpha receptors the blood vessels going to those tissues have
the more vascular smooth muscles the more alpha receptors
where are alpha receptors found? 1. Arteries 2. Precapillary Sphincters
what is Afrin nasal spray? given when nasal vessels swell and dilate
Edema? swelling of a tissue due to fluid retention usually caused by leakage of
What is Systole? contraction of the ventricles to pump blood to the arteries
What is Diastole? relaxation of the heart muscles to allow blood to fill in.
what is Shock? state of low Perfusion
why does Anaphylactic shock mean? Allergic reaction - causing the blood vessels to dilate, low perfusion, stimulating sympathetic nervous system, causing blood to rush to the vital organs such as brain and heart.
What does a pale skin color indicate low blood circulation
what does a blue skin color indicate? low oxygenation
Quad pressed? patient on 4 different medications to maintain blood pressure. EXTREME CARE NEEDED!!!
When PEEP Collapses... There is no room for perfusion
Increase in PEEP... Causes decrease in blood pressure
What does PEEP stand for? Positive end-expiratory pressure
Blood pressure drops... give IV fluids
Patients throat is shut do to allergic reaction.... intubate and give a dose of Epi to get absorbed by the capillaries which end up in the left heart. thereafter the drug is sent out to the whole body to stop the allergic reaction.
Beta 1 Receptors are... located in the heart specially in the AV and SA node
Automaticity? the ability to perform a task by automatic process
Sinus Tachycardia the body sends out an electric impulse to increase heart rate. this is often caused by a sudden fear or anxiety
COPD stands for... Chronic Obstructive Pulmonary Disease
COPD patients are... at risk for Pulmonary infections, often have Bronchospasm and a lot of mucus production.
First sign of Hypoxemia... Tachycardia
The Vagus nerve is the... 10th cranial nerve and the most powerful nerve in the PSNS
stimulation of the Vagus causes... decreased heart rate.often happens when performing Oropharyngeal suctioning because the nerve innervates along the upper airway. stimulating this nerve causes increased mucus production, bronchospasm, and wheezing
Vasovagal reaction fainting due to vagus nerve triggers
nerves that go to your diaphragm... left and right Phrenic nerves
C2 fractures result in... very little respiratory muscles, the diaphragm won't work because the phrenic nerves are damaged
The Diaphragm... is the major muscle that controls 90% of breathing
what is the function of the liver? controls the declotting process in your body and also produces bile for digestion of nutrients. produces glucose in the form of glycogen
Portal flow circulation is the circulation of blood through network of veins in the gut and digestive organs such as the liver and spleen which is carried up to the liver to detoxify the rich nutrient blood
Created by: mjama22
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