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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. Water is removed by capillaries flowing in the medulla
Urinary Bladder
Aerobic Respiration
Concentration of Urine 3
Transpiration
2. 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
Acid Base Disorders (Metabolic)
Alodsterone
Passive Excretion in Protozoans and Cnidarians
Nephron Function
3. The fluid and small solutes entering the nephron -isotonic with blood plasm
Acid Base disorders (Respiratory)
Filtrate
Alodsterone
Glomerulus
4. Two pairs of nephridia in each body segment excret water - mineral salts - and nitrogenous wastes in the form of urea
Concentrated Urine
Vacuole
Concentration of Urine 2
Excretion in Annelids
5. Capillary bed embraced by Bowman's capsule
Aerobic Respiration
Glomerulus
Passive Excretion in Protozoans and Cnidarians
Acid Base disorders (Respiratory)
6. 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
Primary Function of Nephron
Organs of Excretion in Humans
Nephron
Secretion
7. Processes nitrogenous wastes - blood pigment wastes - and other chemicals for excretion
Perspiration
Liver
Ureter
Urinary Bladder
8. Carbon dioxide is released from the tissues into adjacent tracheae through spiracles
Filtrate
Excretion in Arthropods
Ureter
Concentration of Urine 3
9. Carbon dioxide and water vapor diffuse from the blood and are continually exhaled
Lungs
Filtration
Concentration of Urine 3
Concentration of Urine 2
10. 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
Concentration of Urine 3
Filtrate
Concentration of Urine 4
Stomata
11. The removal of indigestible material
Deamination
Excretion in Annelids
Urine Formation
Elimination
12. Created when exiting and reentering at different segments of the nephron - with tissue osmolarity increasing from cortex to inner medulla
Passive Excretion in Protozoans and Cnidarians
Transpiration
Kidney Main Function
Osmolarity Gradient
13. No specific excretory system in plants -any excess CO2 - O2 - and H2O vapor - leaves the lant by diffusion through stomata and lenticels
Excretion in Plants
Alodsterone
Filtrate
Concentration of Urine 2
14. Urine collects until it is expelled via the urethra
Urinary Bladder
ADH
Acid Base Disorders (Metabolic)
Excretion in Annelids
15. Surrounds nephron to facilitate reabsorption of amino acids - glucose - salts - and water
Secretion
Aerobic Respiration
Peritubular Capillary
Urinary Bladder
16. Pores in stems
Alodsterone
Transpiration
ADH
Lenticels
17. 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
Nephron Function
Excretion in Annelids
Concentration of Urine 4
Secretion
18. Water-solube wstes - such as ammonia and carbon dioxide - can exit the cells by simple diffusion through the cell membrane
Tracheae
Excretion
Passive Excretion in Protozoans and Cnidarians
Acid Base disorders (Respiratory)
19. Tubelike things which are continuous with the external air
Tracheae
Perspiration
Alodsterone
Excretion in Annelids
20. Affect the blood acidity by causing changes in the HCO3-
Concentration of Urine 2
Acid Base Disorders (Metabolic)
Aerobic Respiration
Nephron
21. Excrete water and dissolved salts
Acid Base disorders (Respiratory)
Kidney Main Function
Sweat glands
Nephron Function
22. An organelle specialized for water excretion by active transport
Reabsorption
Glomerulus
Vacuole
Kidney Main Function
23. Remains relatively constant at 7.4
Ureter
Secretion
Body Fluid pH
Excretion
24. Divded into three regions: outer cortex - inner medulla - renal pelvis
Kidney Structure
Lenticels
Ureter
Acid Base disorders (Respiratory)
25. Leads to the production of carbon dioxide and water
Kidney Structure
Primary Function of Nephron
Aerobic Respiration
Nephron Function
26. Bulb of nephro -leads into a long - coiled tubule tht is divided into functionally distinct units
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27. Filtration - secretion - and reabsorption are the three process
Kidneys
Urine Formation
Kidney Structure
Perspiration
28. Nitrogenous wastes of arthropods
Uric Acid
Transpiration
Excretion in Arthropods
Ureter
29. Hypertonic to the blood
Concentration of Urine 3
Counter-Current-Multiplier System
Concentrated Urine
Transpiration
30. Function to maintain the osmolarity of the blood -excrete numerous waste products and toxic chemicals -conserve glucose - salt - and water
Kidneys
Passive Excretion in Protozoans and Cnidarians
Filtration
Primary Function of Nephron
31. Openings of tracheae
Urine Formation
Excretion in Annelids
Spiracles
Concentration of Urine 4
32. Produced by the deamination of amino acids in the liver and diffuses into the blood for ultimate excretion in the kidneys
Urea
Counter-Current-Multiplier System
Perspiration
Deamination
33. Pores in leaves
Tracheae
Stomata
Reabsorption
Excretion in Plants
34. Concentrated urine in the collecting tubules flows into the pelvis of the kidney - a funnel-like region that opens directly into this
Counter-Current-Multiplier System
Ureter
Bowman's capsule
Units of Bowman's capsule
35. Regulation of the permeability of the collecting tubule to water is accomplished by the hormone ADH (vasopressin)
Nephron Function
Bowman's capsule
Concentration Of Urine 5
Lenticels
36. Serves to regulate body temperature - since the evaporation of sweat produces cooling
Spiracles
Kidney Structure
Excretion
Perspiration
37. Exit of water vapor through leaf stomates
Transpiration
Aerobic Respiration
Malphigian Tubules
Urea
38. 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
Urea
Filtration
Urinary Bladder
Lenticels
39. Affect the blood acidity by causing changes in the PCO2
Units of Bowman's capsule
Transpiration
Concentration of Urine
Acid Base disorders (Respiratory)
40. Lungs - liver - skin - and kidneys
Kidney Main Function
Organs of Excretion in Humans
Nephron Function
Vacuole
41. In the liver - leads to the production of nitrogenous wastes such as urea and ammonia
Nephron Function
Deamination
Acid Base Disorders (Metabolic)
Stomata
42. 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
Nephron Function
Reabsorption
Concentrated Urine
Filtration
43. Consists the Bowman's capsule - which embraces the glomerulus
Ureter
Nephron
Reabsorption
Concentration of Urine 3
44. The removal of metabolic wastes produced in the body
Excretion in Annelids
Excretion
Perspiration
Lenticels
45. Regulate the concentration of salt and water in the blood through the formation and excretion of urine
Alodsterone
Acid Base disorders (Respiratory)
Transpiration
Kidney Main Function
46. Increases the permeability of the collecting duct to water - allowing more water to be absorbed and more concentrated urine to be formed
ADH
Osmolarity Gradient
Peritubular Capillary
Malphigian Tubules
47. Accumulates mineral salts and uric acid in arthropods then transported to the intestine to be expelled with the solid wastes of digestion
Perspiration
Excretion in Annelids
Malphigian Tubules
Excretion
48. 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
Uric Acid
Excretion in Plants
Kidney Main Function
49. 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
Urine Formation
Concentration of Urine
Uric Acid
Counter-Current-Multiplier System
50. 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
Concentration of Urine 2
Excretion in Plants
Sweat glands
Excretion in Arthropods