MLT 111 Chapters 2 & 3 Exam
Renal function and intro to Urinalysis
- 1.The renal medulla is composed of tissue called _________.
- A.
Renal pyramids
- B.
Nephrons
- C.
Macula densa
- D.
Renal pelvis
- 2.Which is found in the highest concentration in the urine?
- A.
Uric acid
- B.
Urea
- C.
Glucose
- D.
Creatinine
- 3.Juxtaglomerular cells combine with ________ cells to form the juxtaglomerular apparatus in the kidney.
- A.
Macula densa
- B.
Renal pelvis
- C.
Nephron
- D.
Bowman's capsule
- 4.Which of the folllowing match the definition of "poor output of urine"?
- A.
Oliguria
- B.
Pyruia
- C.
Albuminuria
- D.
Diuresis
- 5.Capillary loops located in the medulla of the kidneys are also known as ___________.
- A.
Vasa recta
- B.
Urea collectors
- C.
Capillary tuft
- D.
Trigone
- 6.A function of the descending loop of Henle is the___________.
- A.
Re-absorption of sodium ions
- B.
Re-absorption of water by osmosis
- C.
Secretion of hydrogen ions
- D.
Secretion of potassium ions
- 7.When glucose is found in the urine it is called _______.
- A.
Glucosuria
- B.
Uremia
- C.
Glucose intolerance
- D.
Ureteritis
- 8.ADH has which of the following effects on the distal convoluted tubule?
- A.
Decrease water re-absorption
- B.
Increase water re-absorption
- C.
Decrease urine concentration
- D.
Increase urine volume
- 9.Each kidney contains approximately _______ nephrons.
- A.
10 million
- B.
1 million
- C.
100,000
- D.
10,000
- 10.Which is not a funtion of the kidney?
- A.
Conjugation of bile
- B.
Excretion of water
- C.
Conservation of water
- D.
Excretion of wastes
- 11.The function(s) of the kidney in regard to the blood is ______.
- A.
To maintain fluid volume
- B.
To maintain solute concentration
- C.
To eliminate waste
- D.
All of the above
- 12.The basic functional unit of the kidney is the _____.
- A.
Nephron
- B.
Collecting tubule
- C.
Loop of Henle
- D.
Meatus
- 13.During tubular re-absorption tje movement of a solute attached to a carrier protein _________.
- A.
Is called passive transport
- B.
Requires little or no energy
- C.
Is called active transport
- D.
Only occurs in the glomerulus
- 14.Bowman's capsule and both convoluted tubules are located in the _____.
- A.
Cortex
- B.
Renal calyx
- C.
Medulla
- D.
Renal pelvis
- 15.The Loop of Henle and the collecting tubules are located in the ______.
- A.
Cortex
- B.
Medulla
- C.
Renal pelvis
- D.
Renal calyx
- 16.The structures which transport urine from the kidneys to the bladder are _____.
- A.
Ureters
- B.
Renal veins
- C.
Urethras
- D.
Renal calyx
- 17.Blood enters the glomerulus through the _____.
- A.
Afferent arteriole
- B.
Aorta
- C.
Efferent arteriole
- D.
Juxtaglomerular apparatus
- 18.The glomerular filtrate rate is _____.
- A.
125 ml/min
- B.
1250 ml/min
- C.
1,000,000 ml/min
- D.
12 ml/min
- 19.Reabsorption is the ______.
- A.
Elimination of wastes through the meatus
- B.
Taking back of needed substances from the tubules into the body
- C.
Elimination of wastes from capillaries into the lumen
- D.
Elimination of large molecular weight proteins through the efferent arterioles
- 20.The plasma concentration of a substance at which active transport stops and increased amounts are excreted in the urine is called the_______
- A.
Renal threshold
- B.
Maximal reabsorptive capacity
- C.
Renal concentration
- D.
Osmotic gradient
- 21.The fluid leaving the glomerulus has a specific gravity of 1.010
- A.
True
- B.
False
- 22.The hormone aldosterone is responsible for sodium retention.
- A.
True
- B.
False
- 23.The normal serum osmolarity is 50 - 100 mOsm.
- A.
True
- B.
False
- 24.Disposable containers with a capacity of 25 ml or less are recommended for the collection of specimens for routine urinalysis.
- A.
True
- B.
False
- 25.A properly labelled urine specimen for routine urinalysis delivered to the lab in a gray top blood collection tube can be tested.
- A.
True
- B.
False