Chapter 18 Flashcards
The outer portion of the kidneys?
Cortex
Inner portion of the kidneys?
Medulla
What percentage of glomerular filtrate is reabsorbed?
99%
What is the glomerular filtration rate per minute?
125.0
How is ammonia secreted?
Diffusion
Describe the location and rate of blood flow in the kidneys?
Above the waist line and retroperitoneal
The rate of blood through the kidneys is the highest in the body
Which kidney is lower?
The right is lower than the left
Functions of the kidneys?
Maintain homeostasis
Clean blood of waste products
Excrete toxins and waste products containing nitrogen
Regulate proper balance between body water content and salt
What is the first step in urine formation?
Glomerular filtration
Glycosuria is a sign of what condition?
Diabetes Mellitus
Most of the water in the glomerular filtrate is reabsorbed in the?
Proximal convoluted tubules
What are the 3 process of urine formation?
Filtration, reabsorption, secretion
Location of the urinary bladder?
Lies in the pelvis behind symphysis pubis
Natural characteristics of urine?
Clear
Contains nitrogenous waste like (ammonia, creatinine, urea, Utica acid)
Water
Ammonia like odor and mineral ions like NA, CL and K
Define enuresis?
Involuntary voiding of urine