Kate Shared "Prenursing Smarter Module One | Anatomy and Physiology" - 12 Picmonics

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Prenursing Smarter Module One | Anatomy and Physiology

Cardiac Cycle - Systole
Characteristics
AV Node
AV Node Conducts Signal to Bundle of His
Bundle of His Signals Purkinje Fibers to Contract Ventricles
Tricuspid Valve Closes
Pulmonary Valve Opens
Mitral Valve Closes
Aortic Valve Opens
2 mins
Cardiac Cycle - Diastole
Characteristics
Aortic Valve Closes
Pulmonary Valve Closes
Ventricles Relax
Mitral Valve Opens
Tricuspid Valve Opens
Ventricles Fill
Sinoatrial (SA) Node Fires
Atrial Contraction
3 mins
Hemoglobin
Hemoglobin Has Four Iron Hemes
Lots Of Hemoglobin In Red Blood Cells
High O2 Levels Increase O2 Binding
High Temperature Reduces O2 Binding
High CO2 Levels Reduce O2 Binding
Low pH Reduces O2 Binding
Myoglobin Binds Oxygen in Muscle
2 mins
Whole Blood Composition
Characteristics
Plasma
Electrolytes And Other Solutes
Proteins
Albumin
Fibrinogen
Globulins
Water
Formed Elements
Buffy Coat
White Blood Cells (WBC)
Platelets
Red Blood Cells (RBC)
2 mins
High Blood Pressure Response
Characteristics
Atria Release Atrial Natriuretic Peptide
Vasodilation
Antagonizes Aldosterone
Na+ and Water Excreted
1 min
Low Blood Pressure Response
Characteristics
Posterior Pituitary Releases Vasopressin
Vasoconstriction
Adrenal Cortex Releases Aldosterone
Increased Na+ and H2O Reabsorption
1 min
Primary Hypertension Risk Factors
Excessive Alcohol Consumption
High Sodium Diet
Dyslipidemia
Obesity
African American
Advanced Age
Vitamin D Deficiency
Reduced Nephron number
Diabetes
Lack of Physical Activity
1 min
Lymphatics
Characteristics
Recycles 10% of Interstitial Fluid
Transport Large Lipids from Lacteals
Unidirectional Valves
Lymph Nodes Filter Lymph
WBCs Monitor Lymph for Pathogens
Merge with Veins
2 mins
Blood Types
Allele A is Dominant
Allele B is Dominant
Allele O is Recessive
Genotypes AA and AO have Type A Blood
Genotypes BB and BO have Type B Blood
Genotype AB is co-dominant and has Type AB Blood
Genotype OO Results in Type O Blood
2 mins
Blood Acid-Base Control
Characteristics
In a State of Acidemia
Medullary Chemoreceptors Control Ventilation Rate
Expulsion of CO2 through Lungs Increases pH
Bicarbonate Reabsorption from the Kidney Increases pH
Kidney Excretion of H+ Increases pH
2 mins
Respiratory Anatomy
Characteristics
Nasal Cavity
Hair Filters
Mucus Filters and Moistens
Capillaries Warm
Pharynx (Throat)
Larynx (Voice Box)
Cilia Expel Mucus and Dust
Trachea
Bronchi
Alveoli
2 mins
Alveolar Gas Exchange
Characteristics
Pulmonary Artery Blood is O2-Poor, CO2-Rich
Two-Cell Thick Air-Blood Barrier
CO2 Diffuses Into Air
O2 Diffuses Into Blood
Gases Equilibrate
Pulmonary Vein is O2-Rich, CO2-Poor
Thermoregulation
2 mins

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