The glomerular capillaries differ from other capillary networks in the body because they
A. Have a larger are
B. Are derived from and drain into arterioles
C. Are not made of endothelium
D. Are sites of gas exchange
B. Are derived from and drain into arterioles
Glucose is not normally found in the urine because it
A. Does not pass through the walls of the glomerulus
B. Is kept in the blood by colloid osmotic pressure
C. Is reabsorbed by the tubule cells
D. Is removed by the body cells before the blood reaches the kidney
C. Is reabsorbed by the tubule cells
Filtration of the glomerulus is located within
A. Renal Corpuscle
B. Renal Tubule
C. Renal Pelvis
D. Renal Colums
A. Renal Corpuscle
Filtration at the glomerulus is inversely related to
A. Water Reabsorption
B. Capsular Hydrostatic Pressure
C. Arterial Hydrostatic Pressure
D. The Acidity of Urine
B. Capsular Hydrostatic Pressure
The majority of nephrons are located in the
A. Vasa Recta
B. Medulla
C. Cortex
D. Pelvis
C. Cortex
The presence of ADH causes an individual to excrete..
A. Sugar
B. Less water
C. More water
D. More urine
B. Less water
The higher the plasma concentration of aldosterone, the more efficiently the kidney..
A. Will conserve Na+
B. retain K+
C. Lose more water
D. Secrete Na+
A. Will conserve Na+
Which of the following materials would not be filtered from the blood at the glomerulus?
A. Amino Acids
B. Large Proteins
C. Glucose
D. Electrolytes
B. Large Proteins
The sympathetic activation of the nerve fibers in the nephron causes
A. Regulates blood flow to glomerulus
B. Stimulate release of renin
C. Removes water from body
D. Both a and b are correct
D. Both A and B
When ADH rises the amount of water reabsorbed decreases
False
The control of blood pH by kidneys during acidosis involves the secretion of H+ ion and reabsorption of Co3H- from the tubular fluid
True
When osmotic concentration increases in ECF, such as eating salty food, osmoreceptors in hypothalamus secrete
A. Renin
B. ANP
C. Aldosterone
D. ADH
D. ADH
The most common problems with electrolyte balance are caused by imbalance of
A. Calcium Ion
B. Chloride Ion
C. Potassium Ion
D. Sodium Ion
D. Sodium Ion
The higher the plasma concentration of aldosterone, the more efficiently the kidney will conserve sodium ion
True
Which of the following accelerate reabsorption of sodium in the DCT
A. ADH
B. Renin
C. Aldosterone
D. Erythropoietin
C. Aldosterone
Damage to the renal medulla would interfere first with the functioning of the..
A. Glomerular capsules
B. Distal Convoluted Tubules
C. Collecting Ducts
D. Proximal Convoluted Tubules
C. Collecting Ducts
Which is reabsorbed by the proximal convoluted tubule cells?
A. Na+
B. K+
C. Amino Acids
D. Glucose
E. All of these
E. All of these
Kidneys control blood pH by excreting..
A. H2CO3
B. Ammonia
C. H+
D. CO2
E. Urea
C. H+
The distal convoluted tubule is an important site for
A. Active secretion of ions
B. Active secretion of acids
C. Selective reabsorption of NA+
D. All of these
D. All of these
Which is not part of the urinary system?
A. Kidneys
B. Ureters
C. Urethra
D. Ileum
D. Ileum
Which hormone is produced in the kidneys
A. Renin
B. Erythropoietin
C. Cortisol
D. Both A and B
D. Both A and B
Proximal convoluted tubule are composed of simple squamous cells
False
Descending Segment of Loop of Henle is permeable to sodium ions
False
The filtration membrane in glomerulus is significantly more permeable than other capillaries
True
pH of the urine is normally slightly acidic pH 6
True
Specific gravity of urine ranges from 11.001 to 12.035
False
Which of these substances is not filtered in renal corpuscle
A. Sodium
B. Large Proteins and RBC
C. Water
D. K+
B. Large Proteins and RBC
Sodium reabsorption is almost always by active transport
True
Stimulation of sympathetic nervous system causes constriction of renal blood vessels and Glomerular Filtration Rate will be reduced
True
Changes in GFR normally result from changes in glomerular blood pressure
True
The glomerulus and its Bowman's capsule are collectively called Renal Glomerulus
False
In normal people, glucose is reabsorbed by the distal convoluted tubule cells
False
The urethra carries the urine from the kidneys to the bladder
False
Pigments in beets are not normally found in the urine because it..
A. Does not pass through the walls of the glomerulus
B. Is kept in the blood by colloid osmotic pressure
C. Is reabsorbed by the tubular cells
D. Is reabsorbed in duodenum before the blood reaches the kidney
A. Does not pass through the walls of the glomerulus
Urine collection occurs in what area of the kidney
A. Cortex
B. Medulla
C. Columns
D. Pelvis
D. Pelvis
The lowest blood concentration of nitrogenous waste occurs in the
A. Hepatic Vein
B. Inferior Vena Cava
C. Renal Artery
D. Renal Vein
D. Renal Vein
If a freshly voided urine sample contains excessive amounts of urochrome, it has
A. An ammonia-like odor
B. a pH below normal
C. a dark yellow color
D. a pH above normal
C. a dark yellow color
Conditions such as diabetes mellitus and starvation is closely linked to
A. Ketonuria
B. Pyuria
C. Albuminuria
D. Hematuria
A. Ketonuria
Which of the following is true about ADH?
A. It promotes obligatory water reabsorption
B. It is secreted in response to an increase in extracellular fluid osmolality
C. It causes insertion of aquaporins in the PCT
D. it promotes Na+ reabsorption
B. It is secreted in response to an increase in extracellular fluid osmolality