B2 H - Sample set 1 Q2
2) Blood tests can be used to check a person’s blood glucose and hormone levels.
Figure 4 shows the results of two blood tests carried out on three people to check their blood glucose levels. Person 1 is healthy.
Figure 4 shows the results of two blood tests carried out on three people to check their blood glucose levels. Person 1 is healthy.
(a) (i) Compare the glucose levels of person 1 with the glucose levels of person 2 after fasting for 12 hours. (1)
(ii) Compare the glucose levels of person 3 with the glucose levels of person 1, two hours after drinking 75g glucose. (1)
Person 3 cannot produce the hormone that controls blood glucose levels.
(iii) State the hormone that person 3 cannot produce. (1)
(b) Figure 5 shows the level of progesterone for a female during five different stages of the menstrual cycle.
(ii) Compare the glucose levels of person 3 with the glucose levels of person 1, two hours after drinking 75g glucose. (1)
Person 3 cannot produce the hormone that controls blood glucose levels.
(iii) State the hormone that person 3 cannot produce. (1)
(b) Figure 5 shows the level of progesterone for a female during five different stages of the menstrual cycle.
(i) Describe the changes in progesterone levels during the 28-day cycle. (2)
(ii) Explain why progesterone levels changed following day 14. (2)
(iii) Use Figure 5 to explain if the female is pregnant. (2)
(Total for Question 2 = 9 marks)
(ii) Explain why progesterone levels changed following day 14. (2)
(iii) Use Figure 5 to explain if the female is pregnant. (2)
(Total for Question 2 = 9 marks)