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3 marksExcretion and Homeostasis

CSEC Human and Social Biology · January 2016 · Paper 2 · Question 3(c)(i)

Vonrick's pituitary gland has been destroyed by a viral infection, preventing his urine from concentrating.

Identify the pituitary hormone that is no longer secreted and suggest TWO physiological effects this will cause in Vonrick's body.

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Other parts of this question

  1. 3(a)State TWO physiological activities regulated by the hypothalamus in the brain.[2 marks]
  2. 3(b)Complete Table 2 by providing the missing information regarding the secretion triggers and actions of glucagon and insulin.[4 marks]
  3. 3(c)(ii)Identify TWO other hormones that will no longer be produced due to the non-functional pituitary gland, and describe the function of each.[4 marks]
  4. 3(c)(iii)Outline TWO differences between the endocrine system and the nervous system.[2 marks]

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