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12 Cards in this Set
- Front
- Back
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1. In which of the following hypothalamic nuclei is the body temperature set-point encoded by temperature sensitive neurons?
A. ventromedial nucleus B. dorsomedial nucleus C. arcuate nucleus D. paraventricular nucleus E. anterior nucleus |
E
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2. Which hypothalamic nucleus is considered as the heat generation/conservation
center? A. anterior nucleus B. paraventricular nucleus C. posterior nucleus D. supraoptic nucleus E. arcuate nucleus |
C
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3. Which of the following is not a specialized feature of the hypothalamus?
A. Fenestrated capillaries B. Osmoreceptors C. Baroreceptors D. Glucoreceptors E. Hormone receptors |
C
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4. Which is the principle afferent pathway of the hypothalamus ?
A. Ansa peduncularis B. Medial forebrain bundle C. Dorsal longitudinal fasciculus D. Fornix E. Retinohypothalamic tract |
B
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5. Memory of past events influences the hypothalamus via which of the following pathways?
A. Mamillotegmental tract B. Mammillary peduncle C. Dorsal Longitudinal fasciculus D. Ansa peduncularis E. Fornix |
E
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6. Most of the hypothalamic nuclei that secrete hormones are located in:
A. The posterior nuclei B. The dorsomedial nuclei C. Nuclei located in the wall of the third ventricle D. Infundibulum E. Supraoptic nucleus |
C
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7. The hypothalamus regulates appetite via which of the following?
A. A satiety center located in the dorsomedial nucleus of the hypothalamus B. An appetite center located in the ventromedial nucleus C. Leptin receptors in the lateral hypothalamic neurons D. Glucoreceptors located in the lateral nucleus E. All of the above |
C
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8. Which of the following correctly describe the hypothalamic influence of the named nucleus on cardiac output and vascular effect ?
A. Posterior nucleus; acceleration; vasodilation B. Anterior Nucleus; decrease; vasodilation C. Anterior nucleus; increase; vasoconstriction D. Posterior nucleus; decrease; vasoconstriction E. Anterior nucleus; decrease; vasoconstriction |
B
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9. The hyopothalamo-hypophyseal portal tract:
A. Transports oxytocin and ADH B. Begins in the preoptic nuclei C. Begins in the dorsomedial nucleus D. Terminates in the posterior pituitary E. Begins in the arcuate nucleus |
E
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10. Which of the following pairs correctly describe the major effects of stimulation on the sympathetic and parasympathetic divisions of the visceral motor systems?
A. Sympathetic nerves constrict the pupil Parasympathetic nerves dilate the pupil B. Sympathetic nerves inhibit salivation Parasympathetic nerves stimulate salivation C. Sympathetic nerves constrict blood vessels to the head Parasympathetic nerves dilate blood vessels to the head D. Sympathetic nerves constrict the bladder Parasympathetic nerves relaxes the bladder E. Sympathetic nerves constrict the airways Parasympathetic nerves relax the airways |
B
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11.11. Preganglionic parasympathetic neurons:
A. Are located in the Edinger Westphal nucleus B. Are adrenergic C. May be located in the IMLCC D. Are located in the superior cervical ganglion E. Terminate on sweat glands |
A
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12. When the bladder is moderately distended:
A. Sensory feedback information is relayed from the bladder to the n. solitarius B. The internal urethra relaxes due to sympathetic inhibition C. The external urethra relaxes due to somatic motor inhibition D. The bladder contracts due to activation of parasympathetics E. All of the above |
A
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