4.3 Flashcards
Place the parts of the kidney in order of urine flow
collecting ducts ---> renal papilla ---> minor calyx ---> major calyx ---> renal pelvis ---> ureter ---> urinary bladder ---> urethra
Place the (4) structures in order as urine passes through them.
kidneys —> ureter —> urinary bladder —> urethra
The _____ urethra is connected to the urinary bladder.
preprostatic
The _____ urethra passes through a reproductive organ and receives two ejaculatory ducts.
prostatic
The _____ urethra passes through the pelvis floor.
membranous
The _____ urethra is the longest part of the male urethra.
spongy
The functional filtration unit of the kidney is the
nephron
The major calices merge to form a single, funnel-shaped _____
renal pelvis
Blood vessels, nerves and the renal pelvis enter/exit the kidney at the ____
hilum
T/F: Filtration occurs in the renal corpuscle.
True
Cortical nephrons can be distinguished from juxtamedullary nephrons by ____
their location within the renal cortex
The external urethral sphincter is under ___________ control.
somatic
T/F: Sympathetic impulses cause the smooth muscle of the bladder wall to contract.
False; Parasympathetic impulses cause the bladder wall to contract.
Relaxation of the external urethral sphincter is caused by….
signals from the brain
What causes an increase in the frequency of action potentials from the bladder to the spinal cord?
distention of the bladder from an increase in urine
