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Unformatted text preview: EXAM 2 Review Questions from Class 1) Which of the following hormones released from the posterior pituitary a) oxytocin b) growth hormone releasing hormone c) prolactin d) vasopressin e) more than one of these is released Ans: e….a and d (b and c tropic hormones from anterior being fed by hypothalamus) 2) Insulin and glucagon: a) affect blood glucose levels b) are synergists c) affect blood ion levels d) A and B e) A,B,C Ans: a 3) Which of the following are part of or found in the signal reception zone? a) formation of membrane graded potentials b) cell body c) dendrites d) B and C e) A,B,C Ans: e….dendrites and cell bodies receive signal and will initiate a graded potential 4) The influx of Cl- across membrane will: a) lead to depolarization b) cause hyperpolarization c) potentially cause an action potential d) will have no effect on cell Ans: b….negative ions will increase membrane potential, will make it harder for action potential to take place 5) *paper* 6) Graded potentials travel short distances due to conduction with decrement. Which of the following is an 6) Graded potentials travel short distances due to conduction with decrement....
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- Spring '08
- False Ans, A,B,C Ans