問 1
1 点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：練習問題
その場で採点される選択問題 5 問と、解説つきの記述問題 3 問。すべて「Animal coordination, control and homeostasis」からの出題です。
8 問22 点無料・登録不要
問 2
1 点How does the body prepare for a 'fight or flight' response when adrenalin is released from the adrenal glands?
問 3
1 点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?
問 4
1 点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?
問 5
1 点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?
問 6
5 点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.
まず自分で答えを書いてから、解説と照らし合わせましょう。
問 7
6 点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.
まず自分で答えを書いてから、解説と照らし合わせましょう。
問 8
6 点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.
まず自分で答えを書いてから、解説と照らし合わせましょう。
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