The diagram shows the structure of a nephron and part of its associated blood supply - Leaving Cert Biology - Question 6 - 2018
Question 6
The diagram shows the structure of a nephron and part of its associated blood supply.
X.
Y.
(b) Draw a line from the ‘Target area’ box above, to a precise location... show full transcript
Worked Solution & Example Answer:The diagram shows the structure of a nephron and part of its associated blood supply - Leaving Cert Biology - Question 6 - 2018
Step 1
Name the structures labelled X and Y.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
X = Bowman’s capsule
Y = Distal (convoluted) tubule or DCT
Step 2
Draw a line from the 'Target area' box above.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The line should be drawn to the distal convoluted tubule or the collecting duct to indicate where ADH has its effect.
Step 3
Briefly describe the effect of ADH on its target area.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
ADH makes the target area (collecting duct) more permeable to water, which allows for more water to be reabsorbed into the bloodstream.
Step 4
What change in blood composition triggers the secretion of ADH?
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The secretion of ADH is triggered by an increase in salt concentration or a decrease in water concentration in the blood.
Step 5
Name the endocrine gland in which ADH is produced.
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
ADH is produced in the hypothalamus and stored in the posterior pituitary.
Step 6
Suggest one possible treatment for kidney failure.
97%
121 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Possible treatments include dialysis or a transplant.
Join the Leaving Cert students using SimpleStudy...
