Mc qs urinary system

1. The function of the urinary system is to
A) maintain homeostasis
B) excrete waste products
C) secrete a hormone that stimulates production of red blood cells
D) maintain fluid and electrolyte balance and pH
E) all of the above


Which of the following is the smallest unit of the urinary system capable of forming urine?
A) glomerulus
B) nephron and collecting duct
C) peritubular capillaries
D) loop of Henle


The urinary system organ that removes waste products from the body and helps regulate blood pressure
is the
A) liver.
B) heart.
C) kidney.
D) lungs.

Blood and the lymphatic vessels and nerves enter and exit the kidney through what structure?
A) hilus
B) renal sinus
C) renal calyces
D) adrenal glands

Of the layers of tissue that surround the kidney, which layer is continuous with the outer layer of the
ureter?
A) adipose capsule
B) renal capsule
C) renal fascia
D) peritoneum



The layer of fatty tissue that surrounds the kidney is called the
A) renal sinus
B) renal pelvis
C) adipose capsule
D) renal capsule

2. The layer that holds the kidney in place within the abdominal cavity is called the
A) renal sinus
B) renal fascia
C) renal capsule
D) adipose capsule


The inner region of the kidney that appears to contain striated triangles (i.e. the renal pyramids) is called
the
A) renal cortex
B) renal sinus
C) renal medulla
D) renal pelvis




Nephrons are found running through which two layers of the kidney?
A) renal sinus, medulla
B) cortex, medulla
C) hilus, pyramids
D) pyramids, renal sinus



The apexes of the renal pyramids are called
A) renal columns
B) renal papillae
C) renal pyramid
D) renal pelvis




In addition to the blood vessels, the nephron consists of two other principal parts, the ______ where the
fluid is filtered and a______ into which the filtered fluid passes.
A) glomerulus; renal tubule
B) renal pelvis; proximal tubule
C) collecting duct; distal tubule
D) glomerulus; juxtamedullary nephron




The _____ drains blood from the glomerular capillaries.
A) efferent arteriole
B) afferent arteriole
C) Bowman's capsule

3. D) peritubular capillary

Which of the following descend into the medulla?
A) Bowman's capsule
B) distal tubule
C) proximal tubule
D) loop of Henle
Feedback: Correct Answer




Trace the flow of urine from nephrons to the renal pelvis.
A) glomerulus-glomerular capsule-proximal tubules-loop of Henle-distal tubules-collecting
duct-renal pelvis
B) glomerular capsule -glomerulus-loop of Henle-distal tubules-proximal tubules-distal
tubular-collecting duct-renal pelvis
C) loop of Henle-distal tubules-collecting duct-proximal tubules-glomerulus-glomerular
capsule-renal pelvis
D) none of the above is correct


What are the cells called that wrap pedicels around the glomerular capillaries?
A) pinocytes
B) sertoli
C) podocytes
D) None of the above.
Feedback: Correct Answer


The kidney lies on the dorsal wall of the ______ cavity.
A) cranial
B) abdominal
C) thoracic
D) lateral