SAT Biology - Excretion
Exam Duration: 45 Mins Total Questions : 30
Vertebrates. kidney and contractile vacuole of protozoans resembles as both exrete?
- (a)
Minerals
- (b)
Water
- (c)
Glucose
- (d)
Nitrogenous waste
Deamination is first step in urea fomiation which means
- (a)
reduction of ammonia
- (b)
oxidation of ammonia
- (c)
addition of amino group to organic molecules
- (d)
removal of amino group- from amino acid
Major source of ammonia produced by kidney comes from?
- (a)
Leucine
- (b)
Glycine
- (c)
Glutamine
- (d)
Alanine
Excretion of nitrogenous waste product mainly as uric acid by birds is helpful in
- (a)
Conserving body heat
- (b)
Conserving water
- (c)
Eliminating excess water
- (d)
Eliminating excess body heat
Which of the following is likely to accumulate in dangerous proportion in the blood of a person whose kidney is not working 'properly?
- (a)
Lysine
- (b)
Urea
- (c)
Ammonia
- (d)
Sodium chloride
Which one of the following substance is generally not filtered from the blood by the kidney?
- (a)
Plasma Proteins
- (b)
Water
- (c)
Glucose
- (d)
Urea
Which one of the following is not a part of renal pyramid?
- (a)
Loop of henle
- (b)
,Peritubular capillaries
- (c)
Convoluted tubules
- (d)
Collecting ducts
An infection of the urinary bladder is termed_________
- (a)
Urethritis
- (b)
Cystitis
- (c)
Nephritis
- (d)
Glomerulonephritis
The reabsorption of amino acid and glucose when filtrate concentration is high by
- (a)
Simple diffusion
- (b)
Filtration
- (c)
Active transport
- (d)
Facilitated diffusion
Which urine formation process below results in acid elimination?
- (a)
Excretion
- (b)
Transport
- (c)
Filtration
- (d)
Secretion
The Bowman's capsule and glomerulus make up the
- (a)
Papilla
- (b)
Loop of henle
- (c)
Renal of corpuscle
- (d)
Nephron
The glomerulus consists of the glomerular _______ and _______
- (a)
Capillaries; Bowman's Capsule
- (b)
Capillaries; Loop of Henle
- (c)
Arteries; Bowman's Capsule
- (d)
Arteries; Proximal tubule
Getting longer and more frequent HD treatments can
- (a)
Protect our heart
- (b)
Allow fewer diet and fluid limits and medications
- (c)
Give more control
- (d)
All the above
A person usually begins dialysis when kidney function goes down at about _____%
- (a)
50
- (b)
25
- (c)
20
- (d)
15
Where in the body is the peritoneal membrane that is used for peritoneal dialysis?
- (a)
Abdominal area
- (b)
Arm
- (c)
Leg
- (d)
Neck
In human beings, gout is caused by
- (a)
Deficiency of iodine
- (b)
Excessive secretion of thyroid
- (c)
Excessive liberation of uric add
- (d)
Deposition of uric acid
Why do we urinate more in wet and cold months?
- (a)
Kidney becomes more active
- (b)
Increase of ADH secretion
- (c)
Sweating is much reduced
- (d)
Impairment of water absorption in nephron
When the infection is localized in the urethra, it is called
- (a)
Urethritis
- (b)
Cystitis
- (c)
Pyelonephritis
- (d)
Hemodialysis
Volume of urine is regulated by
- (a)
Aldosterone
- (b)
Aldosterone and Testosterone
- (c)
ADH
- (d)
Aldosterone and ADH
Urine is stored in _______
- (a)
Bladder
- (b)
Kidney
- (c)
Urethra
- (d)
The Garage
The main function of the urinary system is to
- (a)
Get rid of waste and extra fluid
- (b)
Keep waste in the body
- (c)
Get rid of nutrients
- (d)
Get rid of amino acid
Urine is carried from the kidneys to the bladder by two thin tubes called
- (a)
Ureters
- (b)
Tubulars
- (c)
Capillaries
- (d)
Urinary tracts
The average kidney is in the size of _______
- (a)
Nose
- (b)
Open hand
- (c)
Foot
- (d)
Fist
There are about 1.0 and 1.3 million _______ in each kidney
- (a)
Nephrons
- (b)
Renins
- (c)
Erythropoietins
- (d)
Calciums
The urine producing structure in the kidney are called
- (a)
Neurons
- (b)
Axons
- (c)
Nephrons
- (d)
Ganglions
Most water is reabsorbed in the ________tubule
- (a)
Proximal
- (b)
Distal
- (c)
Efferent
- (d)
Internal
The distal tubule is the major site of tubular
- (a)
Reabsorption
- (b)
Filtration
- (c)
Secretion
- (d)
Inhibition-
In hemodialysis (HD), blood is filtered through a_________
- (a)
Hemolyzer
- (b)
Dialyzer
- (c)
Cholesterol screen
- (d)
Hemoglobin
In peritoneal dialysis (PD), draining out the dirty fluid and putting in the clean fluid is called
- (a)
a replacement
- (b)
a hemo cleaning
- (c)
an exchange
- (d)
a dialysate
Immuno-suppressant drugs are taken
- (a)
with hemodialysis
- (b)
With a kidney transplant
- (c)
with peritoneal dialysis
- (d)
with major viruses
