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