BackChapter 18
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Terms in this set (17)
The basic functional unit in the kidney is the __________.
renal medulla
nephron
renal cortex
renal pelvis
nephron
Urine is temporarily stored by the
urinary bladder.
liver.
kidney.
ureter.
urethra.
urinary bladder
Which of the following are components of a renal corpuscle?
glomerular capsule and renal tubule
glomerulus and renal tubule
pyramid and glomerulus
renal tubule and collecting tubule
glomerulus and glomerular capsule
glomerulus and glomerular capsule
The renal ________ is the site at which the renal artery and renal nerve enter and the renal vein exits.
hilum
column
sinus
cortex
medulla
renal hilum
The primary function of the proximal convoluted tubule:
secretion of acids, ammonia, and drugs.
filtration of anything small enough to pass through the filtration membrane.
actively pumping sodium ions and chloride ions out of the filtrate.
absorption of ions, organic molecules, vitamins, and water.
absorption of ions, organic molecules, vitamins, and water.
The term
incontinence
refers to the
inability to control urination voluntarily.
process of urine production.
inability to void (expel) urine.
inability to control kidney function.
process of urinating.
inability to control urination voluntarily.
When the level of ADH (antidiuretic hormone) increases,
the water content of urine increases.
the rate of sodium ion reabsorption in the DCT decreases.
more concentrated urine is produced.
the sensation of thirst is inhibited.
less water is reabsorbed by the nephron and collecting duct.
more concentrated urine is produced.
The majority of water in the human body is located where?
interstitial fluid
ECF
plasma
ICF
intracellular fluid (ICF)
Hypoventilation is usually the cause of
respiratory alkalosis.
hyponatremia.
respiratory acidosis.
metabolic acidosis.
metabolic alkalosis.
respiratory acidosis
What is the name of the tubelike structure that connects the kidney to the bladder and drains the urine from the kidney?
nephron
trigone
ureter
urethra
ureter
Which of these two sphincter muscles is composed of skeletal muscle and under voluntary control?
renal pelvis
external urethral opening
external urethral sphincter
internal urethral sphincter
external urethral sphincter
What is the name of the tube that conveys the urine from the bladder to the exterior of the body?
ureter
urethra
calyx
detrusor muscle
urethra
What type of passive carrier-mediated transport has the molecule to be transported binding first to a receptor site on the carrier protein?
receptor-mediated endocytosis
exocytosis
endocytosis
facilitated diffusion
facilitated diffusion
What happens to the fluid that is not absorbed back into the capillaries?
absorbed and used by tissue cells in the immediate area for nutrient needs
drains into lymphatic capillaries
collected by varicose veins
accumulates in the interstitial spaces to form interstitial fluid
drains into lymphatic capillaries
Along with the urinary system, which other organ system plays a direct role in regulating pH?
Skeletal system
Nervous system
Endocrine system
Lymphatic system
Respiratory system
respiratory system
During urine formation in a nephron, where does the process of filtration occur?
Proximal portion of urethra
Urinary bladder
Liver
Ureter
Glomerular capillaries
glomerular capillaries
Which organ system provides adaptive defense against urinary tract infections (UTIs)?
Skeletal system
Endocrine system
Lymphatic system
Digestive system
Nervous system
lymphatic system