advanced pathophysiology NR 507 final exam Questions With Complete Solutions

Fat Soluble Hormones correct answer: Steroids Water Soluble Hormones correct answer: Need 2nd Messenger to transport across phospholipid membranes Pituitary Hormones correct answer: TSH, GH, ACTH, FSH, LH, Oxytocin, ADH, Melanocyte Stimulating Hormone Anterior Pituitary correct answer: Acct for 75% of total weight of pituitary gland. Three regions, pars distalis, parts tuberalis, and pars intermedia. Pars distalis is major component of Anterior Pituitary and source of Anterior Pituitary Hormones. Posterior Pituitary (neurohypophysis) correct answer: Arises from 3rd ventricle of brain, consists of three parts, median eminence, pituitary stalk, and infundibular process (pars nervosa or neural tube). Median eminence is composed mainly of nerve endings of axons that arise primarily from ventral hypothalamus. Hypothalamic releasing Hormones in Posterior pituitary's median eminence. correct answer: Includes 10 hypothalamic releasing hormones and neurotransmitters such as dopamine, norepinephrine, serotonin, acetylcholine, and histamine. Pituitary stalk correct answer: contains axons of neurons that originate in the supraoptic and paraventricular nuclei of the hypothalamus.