SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
Search
Test your basic knowledge |
PCAT Biology Excretion
Start Test
Study First
Subjects
:
pcat
,
biology
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A hormone that causes an increased exchange transport of sodium and potassium ions along the distal convoluted tubule - the collecting tubule - and the collecting duct - resulting in a decreased excretion of sodium ions in the urine and an increased
Alodsterone
Glomerulus
Concentration of Urine 4
Stomata
2. As the filtrate flowing in the collecting tubules passes through this region of the kidney - on its way to the pelvis and ureter - water flows out of the collecting tubules by osmosis
Lenticels
Acid Base disorders (Respiratory)
Urine Formation
Concentration of Urine 2
3. Excrete water and dissolved salts
Nephron
Concentration of Urine 3
Sweat glands
Concentration of Urine 2
4. An organelle specialized for water excretion by active transport
Glomerulus
Vacuole
Concentration of Urine 4
Urine Formation
5. Clean the blood plasma of unwanted substances as it passes throught he kidney
Transpiration
Filtrate
Lenticels
Primary Function of Nephron
6. Pores in leaves
Urinary Bladder
Excretion in Annelids
Ureter
Stomata
7. Remains relatively constant at 7.4
Body Fluid pH
Aerobic Respiration
Filtrate
ADH
8. Accumulates mineral salts and uric acid in arthropods then transported to the intestine to be expelled with the solid wastes of digestion
ADH
Urea
Kidney Structure
Malphigian Tubules
9. Urine collects until it is expelled via the urethra
Filtrate
Urinary Bladder
Concentration of Urine 2
Secretion
10. Processes nitrogenous wastes - blood pigment wastes - and other chemicals for excretion
Concentration of Urine 2
Secretion
Liver
Organs of Excretion in Humans
11. The removal of indigestible material
Transpiration
Nephron
Concentration of Urine 2
Elimination
12. Hypertonic to the blood
Filtration
Osmolarity Gradient
Body Fluid pH
Concentrated Urine
13. In the liver - leads to the production of nitrogenous wastes such as urea and ammonia
Elimination
Filtrate
Sweat glands
Deamination
14. Anatomic arrangement of permits the reabsorption of ((% of the filtrate in the collecting tubules -makes the production of concentrated urine possible
Counter-Current-Multiplier System
Filtration
Alodsterone
Vacuole
15. Carbon dioxide and water vapor diffuse from the blood and are continually exhaled
Reabsorption
Concentration Of Urine 5
Nephron
Lungs
16. Capillary bed embraced by Bowman's capsule
Glomerulus
Concentrated Urine
Aerobic Respiration
Nephron
17. Consists the Bowman's capsule - which embraces the glomerulus
Concentration of Urine 3
Bowman's capsule
Excretion in Annelids
Nephron
18. Nephron secretes substances such as acids - bases - and ions like potassium and phosphate from the interstitial fluid into the filtrate by both passive and active transport
Passive Excretion in Protozoans and Cnidarians
Secretion
Concentration of Urine 4
Organs of Excretion in Humans
19. Passive process where Blood pressure forces 20% of the blood plasma entering the glomerulus through the capillary walls and into the surrounding Bowman's capsule
Nephron Function
Excretion
Filtration
Concentration of Urine 4
20. Two pairs of nephridia in each body segment excret water - mineral salts - and nitrogenous wastes in the form of urea
Vacuole
Acid Base Disorders (Metabolic)
Excretion in Annelids
Organs of Excretion in Humans
21. Regulate the concentration of salt and water in the blood through the formation and excretion of urine
Excretion in Annelids
Kidney Main Function
Lenticels
Secretion
22. Pores in stems
Excretion in Plants
Lenticels
Urea
Excretion in Arthropods
23. Function to maintain the osmolarity of the blood -excrete numerous waste products and toxic chemicals -conserve glucose - salt - and water
Kidneys
Units of Bowman's capsule
Excretion in Annelids
ADH
24. Openings of tracheae
Kidney Main Function
Osmolarity Gradient
Spiracles
Malphigian Tubules
25. Serves to regulate body temperature - since the evaporation of sweat produces cooling
Perspiration
Urea
Filtrate
Elimination
26. Tubelike things which are continuous with the external air
Organs of Excretion in Humans
Uric Acid
Kidney Structure
Tracheae
27. Proximal convoluted tubule - the loop of Henle - the distal convoluted tubule - and the collecting duct
28. Produced by the deamination of amino acids in the liver and diffuses into the blood for ultimate excretion in the kidneys
Urea
Excretion
Concentration of Urine 3
Osmolarity Gradient
29. Surrounds nephron to facilitate reabsorption of amino acids - glucose - salts - and water
Nephron Function
Reabsorption
Elimination
Peritubular Capillary
30. Filtration - secretion - and reabsorption are the three process
Glomerulus
Urinary Bladder
Urine Formation
Concentration of Urine 4
31. Bulb of nephro -leads into a long - coiled tubule tht is divided into functionally distinct units
32. Affect the blood acidity by causing changes in the PCO2
Acid Base disorders (Respiratory)
Transpiration
Secretion
Body Fluid pH
33. Nitrogenous wastes of arthropods
Uric Acid
Filtrate
ADH
Stomata
34. Divded into three regions: outer cortex - inner medulla - renal pelvis
Concentration of Urine 3
Kidney Structure
Nephron Function
Primary Function of Nephron
35. Carbon dioxide is released from the tissues into adjacent tracheae through spiracles
Excretion in Arthropods
Excretion in Annelids
Malphigian Tubules
Sweat glands
36. Lungs - liver - skin - and kidneys
Units of Bowman's capsule
Primary Function of Nephron
Urine Formation
Organs of Excretion in Humans
37. Counter-current system causes the medium in the medulla of the kidney to be hyperosmolar with respect to the dilute filtrate flowing in the collecting tubule
Ureter
Vacuole
Concentration of Urine
Concentration of Urine 4
38. Concentrated urine in the collecting tubules flows into the pelvis of the kidney - a funnel-like region that opens directly into this
Concentration of Urine 4
Stomata
Ureter
Filtrate
39. The removal of metabolic wastes produced in the body
Aerobic Respiration
Excretion
Counter-Current-Multiplier System
Acid Base Disorders (Metabolic)
40. Through the selective permeability of its walls and the maintenance of an osmolarity gradient - the nephron reabsorbs nutrienets - salts - and water from the filtrate and returns them to the body - thus maintaining the bloodstream's solute concentrat
Liver
Kidneys
Peritubular Capillary
Nephron Function
41. Water is removed by capillaries flowing in the medulla
Concentration Of Urine 5
Perspiration
Concentration of Urine 3
Filtration
42. Leads to the production of carbon dioxide and water
Bowman's capsule
Aerobic Respiration
Kidney Main Function
Concentrated Urine
43. Essential substances and water are reabsorbed from the filtrate and returned to the blood -occurs primarily in the proximal convuluted tubule and is an active process
Excretion in Annelids
Excretion in Arthropods
Reabsorption
Secretion
44. The reabsorption of water in this zone of the kidney - which permits the concentration of urine - dpeends on the permeability of the collecting tubules to water
Acid Base Disorders (Metabolic)
Filtrate
Stomata
Concentration of Urine 4
45. Created when exiting and reentering at different segments of the nephron - with tissue osmolarity increasing from cortex to inner medulla
Ureter
Kidney Structure
Osmolarity Gradient
Excretion in Plants
46. Regulation of the permeability of the collecting tubule to water is accomplished by the hormone ADH (vasopressin)
Glomerulus
Concentration of Urine 4
Concentration of Urine 3
Concentration Of Urine 5
47. The fluid and small solutes entering the nephron -isotonic with blood plasm
Filtrate
Glomerulus
Transpiration
Aerobic Respiration
48. Increases the permeability of the collecting duct to water - allowing more water to be absorbed and more concentrated urine to be formed
Vacuole
Kidney Structure
Organs of Excretion in Humans
ADH
49. Exit of water vapor through leaf stomates
Concentration of Urine
Ureter
Transpiration
Nephron
50. Water-solube wstes - such as ammonia and carbon dioxide - can exit the cells by simple diffusion through the cell membrane
Urea
Passive Excretion in Protozoans and Cnidarians
Excretion in Annelids
Counter-Current-Multiplier System