and Reproductive System Study Guide
Questions Fully Solved 2026-2027
Updated.
Renal pyramids - Answer The renal medulla is composed of tissue called ___________.
A. Renal Pyramids
B. Nephrons
C. Renal Sinus
D. Renal Pelvis
Urea - Answer Which is found in the highest concentration in the urine?
A. Uric acid
B. Urea
C. Glucose
D. Creatinine
The active re-absorption of chloride ions - Answer The primary function of the ascending loop
of Henle in the kidney is?
A. The active re-absorption of sodium
B. The active re-absorption of chloride ions
C. The passive re-absorption of potassium
D. The passive re-absorption of urea
Sacral plexus - Answer The micturition reflex center is located in the _____.
A. Pons
B. Midbrain
C. Lumbar plexus
D. Sacral plexus
Vasa recta - Answer Capillary loops located in the medulla are also known as _________.
A. Vasa recta
B. Urea collectors
C. Trigone
,D. Macula densa
Reabsorption of water by osmosis - Answer The primary function of the descending loop of
Henle in the kidney is?
A. Reabsorption of sodium ions
B. Reabsoption of water by osmosis
C. Secretion of hydrogen ions
D. Secretion of potassium ions
Vasapore - Answer Which of the following is not considered a part of the male urethra?
A. Prostatic
B. Membranous
C. Vasapore
D. Penile
Passive secretion of potassium ions - Answer The one of the functions occurring at the distal
convoluted tubule in the kidney is?
A. Passive secretion of hydrogen ions
B. Passive secretion of potassium ions
C. Limited re-absorption of water
D. No re-absorption of sodium
1 million - Answer Each kidney contains approximately ______ nephrons.
A. 10 million
B. 1 million
C. 100,000
D. 10,000
All of the above - Answer The kidneys
A. help regulate blood volume.
B. help control blood pressure.
C. help control pH.
D. All of the above.
retroperitoneal - Answer The location of the kidneys in relationship to the peritoneal lining of
the abdominal cavity is referred to as
, A. retroperitoneal.
B. retroabdominal.
C. posterior.
D. dorsal.
prostate - Answer All of the following belong to the urinary system EXCEPT the
A. urethra.
B. ureter.
C. bladder.
D. prostate.
Nephron - Answer The functional unit of the kidney is called a
A. glomerulus.
B. nephron.
C. corpuscle.
D. calyx.
proximal convoluted tubules - Answer Most glucose molecules are reabsorbed in the
A. proximal convoluted tubules.
B. distal convoluted tubules.
C. collecting ducts.
D. loop of Henle.
All of the above - Answer Which of the following substances can be eliminated from the blood
by tubular secretions?
A. potassium ions
B. hydrogen ions
C. ammonium ions
D. All of the above.
Ureter - Answer The structure that connects a kidney to the urinary bladder is the
A. ureter.
B. urethra.
C. renal pelvis.
D. collecting duct.