Question
1 of 25
Which of the following correctly describes the route of urine?
Kidney hilus to the bladder to the ureter |
Pelvis of the kidney to ureter to bladder to urethra |
Glomerulus to ureter to renal tubule |
Hilus to urethra to bladder |
Kidney to bladder to ureter |
Question
2 of 25
What is the outermost region of the kidney called?
Renal cortex |
Renal medulla |
Renal hilum |
Renal pelvis |
Renal pyramids |
Question
3 of 25
Which of the following correctly describes the location of the kidneys?
They are paired organs located posterior to the intestines, between the T12 and L3 vertebra, with a rich blood supply and fat capsule surrounding them. |
The kidney is a single organ located posterior to the intestines, between the T12 and L3 vertebra, with a rich blood supply and fat capsule surrounding them. |
They are paired organs located superior to the intestines, with a rich blood supply and fat capsule surrounding them. |
They are paired organs located posterior to the intestines, between the T12 and L3 vertebra, with a rich blood supply and no fat capsule surrounding them. |
They are paired organs located posterior to the intestines, between the T12 and L3 vertebra, with little blood supply. |
Question
4 of 25
Which of the following best describes the glomerulus?
Series of renal tubules |
Series of arterioles |
Series of capillaries |
Series of collecting ducts |
Series of both arterioles and renal tubules |
Question
5 of 25
An obstruction in the glomerulus would affect the flow of blood into which of the following?
Renal artery |
Efferent arteriole |
Afferent arteriole |
Interlobular artery |
Mesenteric artery |
Question
6 of 25
Urine formed in the nephrons empties directly into what structure?
Peritubular capillaries |
Loop of Henle |
Collecting duct |
Urethra |
Renal pelvis |
Question
7 of 25
Which of the following is the site where most tubular reabsorption occurs?
Glomerular capsule |
Loop of Henle |
Proximal convoluted tubule |
Distal convoluted tubule |
Peritubular capillaries |
Question
8 of 25
What is the process of glomerular filtration?
An active transport of the fluid part of blood in the glomerular capsule |
An active transport of the blood in the peritubular capillaries |
A passive filtration of blood in the peritubular capillaries |
A passive filtration of the fluid part of blood in the distal convoluted tubule |
A passive filtration of blood in the glomerular capsule |
Question
9 of 25
What is the normal composition of glomerular filtrate?
All components of blood except the formed elements |
All components of blood except formed elements and large proteins |
Only water and urea from the blood |
Only urea and glucose from the blood |
All components of blood except cells, large proteins, and water |
Question
10 of 25
What is the specific gravity or density of normal urine?
1.001 – 1.035 |
1.030 – 1.040 |
1.000 – 1.015 |
less the 1.000 |
greater than 1.035 |
Question
11 of 25
The normal yellow color of urine is due to what substance?
Breakdown products of WBC destruction |
Erythropoietin |
Destruction of hemoglobin |
Excretion of urea |
Breakdown of melanin |
Question
12 of 25
Which of the following describes urine?
Water and protein not needed by the body |
Water, protein, and cells not needed by the body |
Nitrogenous wastes and protein only |
Nitrogenous wastes, water, and unneeded substances |
Water and nitrogenous wastes only |
Question
13 of 25
Which of the following statements describes the ureters?
One of the layers of the wall is smooth muscle that propels urine to the bladder. |
They carry the urine from the bladder to the exterior of the body. |
They enter the bladder on the superior surface. |
They are covered with capillaries that reabsorb more water from the urine. |
They are composed of only three layers of epithelium. |
Question
14 of 25
Which of the following describes the wall of the bladder as it fills?
The stratified squamous cells become thinner. |
The muscular wall collapses and the transitional epithelium thins. |
The muscular wall stretches and the transitional epithelium thins. |
The bladder collapses to 5?7.5 cm. |
The trigone area disappears. |
Question
15 of 25
Select the item below which shows the correct order of events during micturition.
- Urine collects and activates stretch receptors in the bladder walls. Urine is forced past the internal sphincter. The nervous system starts smooth muscle contractions in the bladder wall.
- The external sphincter is voluntarily controlled by the person.
1-2-3-4 |
2-3-4-1 |
3-4-2-1 |
1-3-2-4 |
1-3-4-2 |
Question
16 of 25
Where is most of the water in the body located?
Plasma |
Cells |
Between body cells |
Bladder |
Cerebrospinal fluid and glands |
Question
17 of 25
What is the main mechanism prompting water intake?
Osmoreceptors in the kidney activate the release of ADH. |
Osmoreceptors in the hypothalamus activate the thirst center. |
Release of ADH increases the blood pressure. |
Release of aldosterone activates the thirst center. |
Excessive saliva production activates the thirst center. |
Question
18 of 25
Which body system makes corrections to low blood pH the fastest?
Urinary system |
Endocrine system |
Lymphatic system |
Respiratory system |
Integumentary system |
Question
19 of 25
What is the result of ADH release?
Prevents excess water loss by the kidneys, increasing the blood volume and increasing blood pressure |
Prevents excess water loss by the kidneys, decreasing the blood volume and decreasing blood pressure |
Prevents excess water loss by the kidneys, decreasing the blood volume and increasing blood pressure |
Increases water loss by the kidneys, increasing the blood volume and increasing blood pressure |
Increases water loss by the kidneys, decreasing the blood volume and increasing blood pressure |
Question
20 of 25
Sodium ion concentration of the extracellular fluid is largely regulated by what hormone?
ADH |
Erythropoietin |
Epinephrine |
Renin |
Aldosterone |
Question
21 of 25
Why is the excretion of bicarbonate ions by the kidney important?
It maintains adequate urinary output. |
It maintains acid base balance of the blood. |
It stimulates ADH production. |
It stimulates erythropoietin production. |
It maintains urine pH between 4.5 to 8.0 range. |
Question
22 of 25
What is a likely cause for urinary retention in an elderly male?
Loss of neural control over the urinary sphincter |
Addison's Disease |
Enlarge prostate gland |
Urethritis |
Diabetes type II |
Question
23 of 25
What is the name of the inability to voluntarily control the external urethral sphincter?
Polyuria |
Urethritis |
Anuria |
Incontinence |
Oliguria |
Question
24 of 25
What kidney disorder involves clogging of the glomerular filter with antigen antibody complexes?
Nocturia |
Diabetes insipidus |
Glomerularnephritis |
Polycystic disease |
Kidney stones |
Question
25 of 25
Cloudy urine that contains white blood cells is indicative of what disorder?
Urinary tract infection |
Addison's Disease |
Diabetes Insipidus |
Hypospadias |
Polycystic disease |
Solution: BIO 160 Which of the following correctly describes the route of urine