Urinary System Flashcards
How many times is blood filtered by the kidney
60 times a day
What wastes are released by the kidneys
H+
K+
Urea
Ammonia
Uric acid
3 layers of the kidney
Renal fascia
Adipose tissue
Randal capsule
What is include in the renal corpuscule
The glomerulus & bowman’s capsule
What part of the nephron does filtration occur
Renal corpuscle
What happens to the pressure in the glomerulus when the efferent arteriole constricts?
Pressure increases
What epithelium is in the PCT
Cuboidal with microvilli
Define ADH
Antidieuretic made when h20 is low
It increase the BP
Define aldosterone
Increases K+ absorption
Made when the BP Is low
Reabsorbs Na+
What part of the loop of Henley is water permeable?
The descending
Name 2 symporters
Glucose/Na+
Na+/K+/Cl
Name 2 anti porters
Na+/H+
Na+/K+
Name the origin of urea, uric acid, and creatinine
Urea- waste product of deamination
Uric acid- waste product of nucleic acid
Creatinine- waste product of muscle cells and phosphocreatinine
Name 2 parts of the JGA
Macula densa
Smooth muscle cells of the JGA
Where is renin made?
Kidneu
What does renin activate?
Angiotensinogen to angiotensin 1
What has high clearance in urine?
Urea bc it is secreted in urine
What does BUN stand for
Blood urea nitrogen
What is the disease called if someone does not make ADH
Diabetes insipidus
Histology layers of the ureter
Mucosa
Muscularis with inner long and outer circ
Adventitia
How much urine can the bladder hold?
500 mL
What nervous system is the detrusor muscle of the bladder interested from?
Parasympathetic
The internal sphincter is innervated by the ___ N.S
The external sphincter is innervated by the ___ N.S
Parasympathetic; somatic
Incontinence
Cannot hold urine
Retention
Cannot completely empty bladder