Biol 373 Unit 4c and 4d || 100% Verified Solutions.
Water loss can be caused be urine, but also: correct answers Feces, sweat and lungs
Thirst is correct answers a behavioural mechanism for compensation of water loss
Can kidneys restore lost water? correct answers No. Kidneys can conserve water but not restore.
Osmolarity of the __ indicates how much water is being excreted by the kidneys. correct answers
Urine
Diuresis is correct answers increased urine production
Diuretics correct answers Increase the amount of urine produced and is usually a drug
Water can __ through the lipid bilayer in most cells but this movement is slow. correct answers
leak
To conserve water, should one take a diuretic or an antidiuretic? correct answers Antidiuretic
Aquaporins are correct answers water channels
To produce concentrated urine, one would want to make epithelial cells __ salty than tubular
fluid correct answers more
Where are aquaporins located? correct answers Both apically and basolaterally in renal tubules
, One way to reduce the reabsorption of water is to __ the number of aquaporins expressed. correct
answers reduce
Where in the kidney is urine able to be concentrated? correct answers Renal medulla, by
juxtamedullary nephrons
Water moves __ the filtrate while traveling from the cortex to the medulla correct answers out of
The main site of water reabsorption is the correct answers distal tubule
AVP __ water therefore preventing __ correct answers conserves, diuresis
Where is AVP synthesized? correct answers Hypothalamus
Where is AVP stored? correct answers Posterior Pituitary gland
What are the two triggers for AVP release? correct answers Increased plasma osmolarity and
Decreased Blood pressure/ volume
What is the magic osmolarity # for many mammals? correct answers 300 mosmol/kg
What are biological and chemical effects implicated in changes in osmolarity? correct answers
cell size and volume
ionic strength
Differing in osmolarity will most affect the __ system correct answers neurological
Water loss can be caused be urine, but also: correct answers Feces, sweat and lungs
Thirst is correct answers a behavioural mechanism for compensation of water loss
Can kidneys restore lost water? correct answers No. Kidneys can conserve water but not restore.
Osmolarity of the __ indicates how much water is being excreted by the kidneys. correct answers
Urine
Diuresis is correct answers increased urine production
Diuretics correct answers Increase the amount of urine produced and is usually a drug
Water can __ through the lipid bilayer in most cells but this movement is slow. correct answers
leak
To conserve water, should one take a diuretic or an antidiuretic? correct answers Antidiuretic
Aquaporins are correct answers water channels
To produce concentrated urine, one would want to make epithelial cells __ salty than tubular
fluid correct answers more
Where are aquaporins located? correct answers Both apically and basolaterally in renal tubules
, One way to reduce the reabsorption of water is to __ the number of aquaporins expressed. correct
answers reduce
Where in the kidney is urine able to be concentrated? correct answers Renal medulla, by
juxtamedullary nephrons
Water moves __ the filtrate while traveling from the cortex to the medulla correct answers out of
The main site of water reabsorption is the correct answers distal tubule
AVP __ water therefore preventing __ correct answers conserves, diuresis
Where is AVP synthesized? correct answers Hypothalamus
Where is AVP stored? correct answers Posterior Pituitary gland
What are the two triggers for AVP release? correct answers Increased plasma osmolarity and
Decreased Blood pressure/ volume
What is the magic osmolarity # for many mammals? correct answers 300 mosmol/kg
What are biological and chemical effects implicated in changes in osmolarity? correct answers
cell size and volume
ionic strength
Differing in osmolarity will most affect the __ system correct answers neurological
