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The Urinary System PowerPoint Presentation

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Description : Check out this medical presentation on Male Reproductive System, which is titled "The Urinary System", to know about the Urinary System.

Tags : Male Reproductive System, Urinary System

Published on : Jul 28, 2021 | Views : 3922 | Downloads : 2

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1 Urinary System Urethra The Urinary System Kidney Ureter Bladder
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2 Objectives Objectives After studying this chapter, you will be able to: Name the parts of the urinary system and discuss the function of each part Define combining forms used in building words that relate to the urinary system Identify the meaning of related abbreviations Name the common diagnoses, clinical procedures, and laboratory tests used in treating disorders of the urinary system
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3 Objectives Part 2 Objectives cont'd List and define the major pathological conditions of the urinary system Explain the meaning of surgical terms related to the urinary system Recognize common pharmacological agents used in treating the urinary system
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4 Structure and Function Structure and Function The Urinary System Also called the excretory system Maintains water balance Removes waste products from the blood by excreting them in the urine
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5 Kidneys Structure and Function Kidneys The kidneys are bean-shaped organs located in the retroperitoneal portion of the abdominal cavity on either side of the vertebral column. Two Primary Functions To form urine for excretion To retain essential substances the body needs in the process called reabsorption
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6 Parts of the Kidney Structure and Function kidney Kidneys filter about 1700 liters of blood daily in the average adult. Parts of the kidneys Cortex -outer protective portion Medulla -inner soft portion Hilum -a depression located in the middle of the concave side of the kidney where blood vessels, nerves, and the ureters enter and exit the kidneys cortex medulla hilum
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7 Urine Production Structure and Function Urine is produced by filtration of: water salts sugar urea creatine uric acid Each kidney contains more than 1 million nephrons which are the functional units of the kidneys. Blood Flow through the Kidneys Blood enters through the renal artery arterioles Each arteriole leads to a nephron renal corpuscle (which has a group of capillaries called the glomerulus) The glomerulus filters fluid from the blood, and is the first place where urine is formed in the kidneys.
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8 Structure and Function Structure and Function Blood flows through the glomerulus at a constant rate. Each glomerulus is surrounded by a capsule known as Bowman’s capsule. Blood then passes into the renal tubules where some substances are reabsorbed and the remaining become urine. Urine Flow Blood Flow Glomeruli
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9 Flow of Urine Structure and Function Flow of Urine glomerulus renal tubules renal pelvis renal calices ureters The renal tubules carry urine to ducts in the renal cortex. Renal cortex Renal capsule Renal medulla Ureter Renal vein Renal artery Nephron Filtered blood exits the kidneys via the renal vein.
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10 Ureters Structure and Function Ureters A tube approximately 6 to 7 inches long attached to each kidney Made up of three layers of tissue -smooth muscle -fibrous tissue -mucous layer Peristalsis, a rhythmic contraction of the ureter smooth muscle which helps to move the urine into the bladder.
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11 Urinary Bladder Structure and Function Urinary Bladder Hollow, muscular organ that stores urine Sphincter muscles hold the urine in place Holds 300 to 400 milliliters of urine before emptying Walls contain epithelial tissue that stretch to allow the bladder to hold twice its capacity The trigone is a triangular area at the base of the bladder where the ureters enter and the urethra exits Urethra Prostate gland Ureter Urinary bladder
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12 Urethra Structure and Function Urethra A tube of smooth muscle with a mucous lining that carries urine from the bladder to the outside of the body. Female Urethra Male Urethra Approximately 1.5 inches long Opens through the meatus Approximately 8 inches long Passes through three different regions: -prostate gland -membranous portion -penis Excreting urine is called voiding or micturition
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13 Combining Forms and Abbreviations Combining Forms and Abbreviations Combining Forms Meaning cali(o) cyst(o) glomerul(o) meato nephr(o) pyel(o) ren(o) calix bladder glomerulus meatus kidney renal pelvis kidney
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14 Combining Forms [trigon(o)] Combining Forms and Abbreviations Combining Forms Meaning trigon(o) urin(o) ureter(o) urethr(o) vesic(o) trigone urine ureter urethra bladder
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15 Combining Forms [ADH] Combining Forms and Abbreviations Abbreviation Meaning ADH A/G AGN ARF ATN BNO BUN antidiuretic hormone albumin/globulin acute glomerulonephritis acute renal failure acute tubular nephrosis bladder neck obstruction blood urea nitrogen
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16 Combining Forms [CAPD] Combining Forms and Abbreviations Abbreviation Meaning CAPD Cath Cl CRF cysto ESRD ESWL continuous ambulatory peritoneal dialysis catheter chlorine chronic renal failure cystoscopy end-stage renal disease extracorporeal shock wave lithotripsy
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17 Combining Forms [HD] Combining Forms and Abbreviations Abbreviation Meaning HD IVP K+ KUB Na+ pH PKU hemodialysis intravenous pyelogram potassium kidney, ureter, bladder sodium power of hydrogen concentration phenylketonuria
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18 Combining Forms [RP] Combining Forms and Abbreviations Abbreviation Meaning RP SG UA UTI VCU retrograde pyelogram specific gravity urinalysis urinary tract infection voiding cystourethrogram
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19 Diagnostic, Procedural & Laboratory Terms Diagnostic, Procedural and Laboratory Terms Urologists are physicians who specialize in disorders of the male and female urinary tracts, and the male reproductive system. Common Tests Urinalysis Examination of the urine for its physical and chemical properties Obtained from clients who fill a specimen container or by urinary catheterization Characteristics of Urine Normal urine is straw-colored and clear Normal specific gravity (SG) range is from 4.5 to 8.0 Specific gravity measures the amount of wastes, minerals and solids present in the urine
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20 Abnormal Findings in Urine Diagnostic, Procedural and Laboratory Terms Abnormal Findings in the Urine Casts Glucose Albumin Phenylketones (PKU) Bilirubin Blood Ketones
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21 Types of Catheters - Foley Diagnostic, Procedural and Laboratory Terms Types of Catheters Foley catheter An indwelling catheter held in place by an inflated balloon in the bladder Urinary bladder Foley catheter To urine container Clip Drain
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22 Types of Catheters - Condom Condom catheter External catheter consisting of a rubber sheath placed over the penis Diagnostic, Procedural and Laboratory Terms Types of Catheters Condom catheter Tube Leg collection bag
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23 Blood Tests Diagnostic, Procedural and Laboratory Terms Blood Tests Blood Urea Nitrogen (BUN) Creatinine Clearance Test The presence of high amounts of urea or creatinine in the blood shows that the kidney is not properly filtering these substances.
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24 Imaging Tests Diagnostic, Procedural and Laboratory Terms Imaging Tests Cystoscopy -tubular instrument used to examine the bladder Intravenous Pyelogram -x-rays of the urinary tract after a contrast medium is injected into the bloodstream KUB -x-ray of three parts of the urinary tract (kidney, ureter, and bladder) Renal Scan -radioactive imaging used to diagnose kidney disorders
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25 Urinary Tract Procedures Diagnostic, Procedural and Laboratory Terms Urinary Tract Procedures Dialysis Hemodialysis -the process of filtering blood outside the body in an artificial kidney machine that returns the blood back to the body after filtering. Peritoneal dialysis (pictured) -the insertion and removal of a dialysis solution into the peritoneal cavity. Dialysis solution Peritoneal cavity Catheter Solution draining out Drained solution
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26 ESWL Diagnostic, Procedural and Laboratory Terms Extracorporeal Shock Wave Lithotripsy (ESWL) -the breaking up of urinary stones by using shock waves from outside the body Shock waves enter Ultrasound system
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27 Inflammatory & Infectious Disorders Pathological Terms Inflammatory & Infectious Disorders Urinary Tract Infection Glomerulonephritis Nephritis Nephrosis Hydronephrosis Polycystic kidney disease Nephroblastoma Cystitis
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28 Pathological Terms Pathological Terms Terms Used to Describe Difficulties in Urination anuresis No urinary output dysuria Painful urination enuresis Lack of bladder control oliguria Scanty urination polyuria Excessive urination incontinence Involuntary discharge of urine or feces
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29 Surgical Terms Surgical Terms Parts of the urinary system may be surgically removed Nephrectomy- removal of a kidney Ureterectomy- removal of a ureter Cystectomy- removal of the bladder Surgical repair procedures Pyeloplasty- repair of the renal pelvis Cystoplasty- repair of the bladder Urethroplasty- repair of the urethra A urostomy is the creation of an artificial opening in the abdomen through which urine exits the body.
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30 Other Surgical Procedures Surgical Terms Other Surgical Procedures Nephrolysis Removal of an adhesion in the kidney Nephrolithotomy Removal of a kidney stone Nephropexy Surgical fixation of the kidney Nephrorrhaphy Suturing of a damaged kidney
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31 Pharmacological Terms Pharmacological Terms Medications used for urinary conditions assist to: Relieve Pain (analgesic) Relieve Spasms (antispasmodic) Inhibit the growth of microorganisms (antibiotic) Increase urine output (diuretic) Decrease urine output (antidiuretic)
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32 Apply Your Knowledge Apply Your Knowledge Complete the following Urinary System flowchart by naming the structures in descending order. meatus kidney ureters bladder urethra
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33 Apply Your Knowledge Part 2 Apply Your Knowledge Following a severe injury, Mr. Hudson is told by his urologist that he will need a surgical procedure to allow urine to exit the body through an opening in the abdomen. Which of the following procedures will Mr. Hudson have performed? A. urethrotomy B. ureterectomy C. urostomy Answer: C. urostomy
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34 Apply Your Knowledge Part 3 Apply Your Knowledge Susan was diagnosed with a bladder infection and given medication to treat the infection but she did not take it. Failure to treat a bladder infection may lead to which of the following? A. kidney infection B. cystitis C. bladder cancer Answer: A. kidney infection
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35 Apply Your Knowledge Part 4 Apply Your Knowledge If an individual were to have a drastic drop in blood pressure below normal, which of the following would you expect, based on what you have learned about the renal system? A. increase in urine production B. decrease in urine production C. no change in urine production Answer: B. decrease in urine production