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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. Consists the Bowman's capsule - which embraces the glomerulus
Kidney Main Function
Nephron
Excretion
Excretion in Plants
2. Surrounds nephron to facilitate reabsorption of amino acids - glucose - salts - and water
Concentration Of Urine 5
Bowman's capsule
Peritubular Capillary
Acid Base Disorders (Metabolic)
3. 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
Ureter
Reabsorption
Stomata
Peritubular Capillary
4. Hypertonic to the blood
Concentrated Urine
Acid Base Disorders (Metabolic)
Kidney Main Function
Vacuole
5. Filtration - secretion - and reabsorption are the three process
Kidneys
Excretion in Arthropods
Urine Formation
Bowman's capsule
6. Carbon dioxide and water vapor diffuse from the blood and are continually exhaled
Alodsterone
Lungs
Filtration
Kidneys
7. 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
Ureter
Passive Excretion in Protozoans and Cnidarians
Nephron Function
Filtration
8. Accumulates mineral salts and uric acid in arthropods then transported to the intestine to be expelled with the solid wastes of digestion
Stomata
Lungs
Glomerulus
Malphigian Tubules
9. Increases the permeability of the collecting duct to water - allowing more water to be absorbed and more concentrated urine to be formed
Bowman's capsule
Osmolarity Gradient
ADH
Units of Bowman's capsule
10. 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
ADH
Alodsterone
Lenticels
Excretion in Arthropods
11. The removal of metabolic wastes produced in the body
Urinary Bladder
Concentration Of Urine 5
Excretion
Filtrate
12. 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
Reabsorption
Aerobic Respiration
Sweat glands
Filtration
13. Remains relatively constant at 7.4
Body Fluid pH
Concentration of Urine 4
Passive Excretion in Protozoans and Cnidarians
ADH
14. 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
Transpiration
Reabsorption
Organs of Excretion in Humans
Concentration of Urine
15. Clean the blood plasma of unwanted substances as it passes throught he kidney
Filtration
Organs of Excretion in Humans
Vacuole
Primary Function of Nephron
16. Excrete water and dissolved salts
Excretion in Arthropods
Reabsorption
Sweat glands
Urea
17. Serves to regulate body temperature - since the evaporation of sweat produces cooling
Bowman's capsule
Excretion in Plants
Perspiration
Excretion in Annelids
18. Divded into three regions: outer cortex - inner medulla - renal pelvis
Concentration Of Urine 5
Excretion in Arthropods
Urea
Kidney Structure
19. Pores in stems
Counter-Current-Multiplier System
Lenticels
Organs of Excretion in Humans
Concentration of Urine 3
20. Proximal convoluted tubule - the loop of Henle - the distal convoluted tubule - and the collecting duct
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21. Capillary bed embraced by Bowman's capsule
Uric Acid
Osmolarity Gradient
Nephron
Glomerulus
22. 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
Kidneys
Concentration of Urine 2
23. Pores in leaves
Stomata
Concentration of Urine 2
Elimination
Primary Function of Nephron
24. Affect the blood acidity by causing changes in the PCO2
Ureter
Excretion in Arthropods
Liver
Acid Base disorders (Respiratory)
25. The removal of indigestible material
Elimination
Spiracles
Lenticels
Concentration of Urine 4
26. Carbon dioxide is released from the tissues into adjacent tracheae through spiracles
Excretion in Annelids
Concentration of Urine 4
Excretion
Excretion in Arthropods
27. An organelle specialized for water excretion by active transport
Osmolarity Gradient
Vacuole
Nephron Function
Body Fluid pH
28. 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
Transpiration
Urinary Bladder
Stomata
Secretion
29. Nitrogenous wastes of arthropods
Sweat glands
Units of Bowman's capsule
Urine Formation
Uric Acid
30. Function to maintain the osmolarity of the blood -excrete numerous waste products and toxic chemicals -conserve glucose - salt - and water
Kidneys
ADH
Perspiration
Concentration Of Urine 5
31. Two pairs of nephridia in each body segment excret water - mineral salts - and nitrogenous wastes in the form of urea
Nephron
Excretion in Annelids
Nephron Function
Concentration of Urine 4
32. In the liver - leads to the production of nitrogenous wastes such as urea and ammonia
Liver
Concentration of Urine
Concentration of Urine 4
Deamination
33. Regulate the concentration of salt and water in the blood through the formation and excretion of urine
Reabsorption
Lenticels
Kidney Main Function
Filtrate
34. Exit of water vapor through leaf stomates
Excretion in Annelids
Uric Acid
Transpiration
Acid Base Disorders (Metabolic)
35. Lungs - liver - skin - and kidneys
Excretion in Annelids
Kidney Structure
Organs of Excretion in Humans
Aerobic Respiration
36. Urine collects until it is expelled via the urethra
Urine Formation
Urinary Bladder
Concentrated Urine
Vacuole
37. Water-solube wstes - such as ammonia and carbon dioxide - can exit the cells by simple diffusion through the cell membrane
Passive Excretion in Protozoans and Cnidarians
Perspiration
Kidney Main Function
Vacuole
38. Affect the blood acidity by causing changes in the HCO3-
Primary Function of Nephron
Uric Acid
Acid Base Disorders (Metabolic)
Perspiration
39. Tubelike things which are continuous with the external air
Glomerulus
Tracheae
Concentration of Urine 2
Nephron
40. 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
Excretion in Annelids
Concentration of Urine 4
Concentrated Urine
Reabsorption
41. Processes nitrogenous wastes - blood pigment wastes - and other chemicals for excretion
Excretion in Plants
Liver
Alodsterone
Urinary Bladder
42. Produced by the deamination of amino acids in the liver and diffuses into the blood for ultimate excretion in the kidneys
Excretion
Urea
Concentration of Urine
Liver
43. Concentrated urine in the collecting tubules flows into the pelvis of the kidney - a funnel-like region that opens directly into this
Stomata
Kidney Main Function
Ureter
Reabsorption
44. Leads to the production of carbon dioxide and water
Body Fluid pH
Aerobic Respiration
Filtrate
Ureter
45. The fluid and small solutes entering the nephron -isotonic with blood plasm
Filtrate
Osmolarity Gradient
Counter-Current-Multiplier System
Passive Excretion in Protozoans and Cnidarians
46. Regulation of the permeability of the collecting tubule to water is accomplished by the hormone ADH (vasopressin)
Concentration Of Urine 5
Body Fluid pH
Alodsterone
Concentration of Urine 2
47. Bulb of nephro -leads into a long - coiled tubule tht is divided into functionally distinct units
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48. Water is removed by capillaries flowing in the medulla
Concentration of Urine 3
Acid Base Disorders (Metabolic)
Kidney Structure
Peritubular Capillary
49. 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
Osmolarity Gradient
Uric Acid
Urea
Concentration of Urine 2
50. Openings of tracheae
Spiracles
Bowman's capsule
Filtrate
Secretion