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by answers or by completions of the statement. Select the ONE lettered answer or completion
that is BEST in each case.
1. The sexually dimorphic nucleus is located in
(A) anterior nucleus
(B) arcuate nucleus
(C) medial preoptic nucleus
(D) posterior nucleus
(E) ventromedial nucleus
Directions: Each of the numbered items or incomplete statements in this section is negatively
phrased, as indicated by a capitalized word such as NOT, LEAST, or EXCEPT. Select the ONE
lettered answer or completion that is BEST in each case.
2. All of the following structures are surface 5. All of the following statements concerning
landmarks of the hypothalamus EXCEPT the hypothalamic releasing-nonreleasing hor
mones are correct EXCEPT they
(B) tuber cinereum (A) are predominantly neuropeptides
(C) optic chiasm (B) are transported to the neurohypophysis
(D) tuberculum cinereum (C) include somatostatin
(E) mamillary bodies (D) include dopamine
(E) are produced in the arcuate nucleus
3. The fornix consists of all of the following
parts EXCEPT the 6. All of the following statements concerning
the medial forebrain bundle are correct
(A) alveus EXCEPT it
(B) calcar avis
(C) fimbria (A) is a major thoroughfare of the hypothala
(D) eras mus.
(E) column (B) traverses the entire lateral hypothala
4. All of the following statements concerning (C) interconnects the mamillary body with
the paraventricular nucleus are correct the anterior nucleus of the thalamus.
EXCEPT (D) receives input from the septal area.
(E) receives input from the midbrain teg-
(A) it contains neurosecretory neurons that
produce antidiuretic hormone (ADH) mentum.
(B) it projects to the posterior pituitary gland 7. All of the following statements concerning
(C) its magnocellular neurons elaborate oxy-
tocin the hypothalamus are correct EXCEPT it
(D) it gives rise to the supraopticohypophy- (A) is a division of the diencephalon.
sealtract (B) is perfused by the posterior communicat
(E) it plays a role in regulating the release of ing artery.
gonadotropin (C) is visible only from the ventral aspect of
(D) lies within the walls of the fourth ventri
(E) includes the mamillary body.
Chapter 19 Hypothalamus I 299