第 1 题
1 分During the menstrual cycle, the levels of different hormones fluctuate to control the uterus wall and ovulation. Which statement correctly describes the interaction between these hormones during the follicular phase?
Pearson Edexcel GCSE (9-1) · Combined Science (1SC0)
Animal coordination, control and homeostasis：练习题
5 道选择题即时批改，另有 3 道文字题附完整解题步骤，全部围绕「Animal coordination, control and homeostasis」。
8 道题目22 分免费，无需注册
第 2 题
1 分How does the body prepare for a 'fight or flight' response when adrenalin is released from the adrenal glands?
第 3 题
1 分A person with Type 1 diabetes is unable to produce insulin. If this person consumes a meal high in carbohydrates without treatment, what happens to the glucose levels and the role of the pancreas?
第 4 题
1 分A doctor calculates a patient's BMI to assess their risk for Type 2 diabetes. If the patient has a mass of 90 kg and a height of 1.8 m, which of the following is their BMI and the most likely metabolic relationship?
第 5 题
1 分A patient is diagnosed with hyperthyroidism, a condition where the thyroid gland is overactive. Which of the following would be an expected physiological consequence based on the negative feedback loop involving thyroxine?
第 6 题
5 分Describe the sequence of hormone interactions in the negative feedback loop that maintains a constant metabolic rate when thyroxine levels in the blood become too low.
先自己写一遍答案，再对照解题步骤。
第 7 题
6 分Explain how the interaction of FSH, LH, oestrogen, and progesterone coordinates the thickening of the uterus lining and the timing of ovulation during the menstrual cycle.
先自己写一遍答案，再对照解题步骤。
第 8 题
6 分Adrenalin and thyroxine are two hormones involved in the regulation of the body.
(a) Explain how adrenalin prepares the body for a 'fight or flight' response by affecting heart rate and liver function.
(b) Explain how the production of thyroxine is controlled by a negative feedback loop involving the hypothalamus and the pituitary gland.
先自己写一遍答案，再对照解题步骤。
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