71. An investigator studying hormonal dysfunction creates a line of experimental animals. The pregnant experimental animals from this line show no significant uterine contractions at the standard parturition time. They also exhibit signs of diabetes insipidus. Hypothalamic immunocytochemistry indicates that the experimental animals produce normal amounts of oxytocin and ADH (vasopressin). Which of the following is the most likely cause of the hormonal dysfunction in these experimental animals? A) Blockage of neurosecretory cell axonal transport B) Blockage of the hypophyseal portal system C) Destruction of paraventricular nuclei D) Excess of neurophysin in the hypothalamic neurosecretory cells OE) Excess of somatostatin in the hypothalamus

71. An investigator studying hormonal dysfunction creates a line of experimental animals. The pregnant experimental animals from this line show no significant uterine contractions at the standard parturition time. They also exhibit signs of diabetes insipidus. Hypothalamic immunocytochemistry indicates that the experimental animals produce normal amounts of oxytocin and ADH (vasopressin). Which of the following is the most likely cause of the hormonal dysfunction in these experimental animals? A) Blockage of neurosecretory cell axonal transport B) Blockage of the hypophyseal portal system C) Destruction of paraventricular nuclei D) Excess of neurophysin in the hypothalamic neurosecretory cells OE) Excess of somatostatin in the hypothalamus

Essentials of Pharmacology for Health Professions

7th Edition

ISBN:9781305441620

Author:WOODROW

Publisher:WOODROW

Chapter24: Reproductive System Drug

Section: Chapter Questions

Problem 21CRQ

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