Quiz
NMS Semester 2 Set 4 Quiz - The Hypothalamus
Perguntas do quiz (28)
1What does the hypothalamus regulate?
- ACardiovascular system
- BRespiratory system
- CBlood
- DFood and water intake
2Name outputs from the hypothalamus.
- AHormones that cause release of pituitary hormones.
- BAutonomic nervous system activity via brainstem
- CEmotional output via the limbic system
- DHippocampus
- ERetina
- FSensory receptors in the viscera
3Name inputs to the hypothalamus
- ASensory receptors from the viscera
- BSensory receptors within the hypothalamus
- CVisual (retina)
- DSmell (olfactory)
- EEmotion (limbic)
- FHippocampus (memory)
- GHormones (pituitary gland)
- HMotor (motor cortex)
4The preoptic area of the anterior hypothalamus contains structures that are associated with what functions?
- ANuclei concerned with set-points
- BSuprachiasmatic nucleus to do with circadian rhythms
- CMammillary body to do with recollective memory
- DThe arcuate nucleus to do with feeding
5The posterior hypothalamus contains structures that are associated with what functions?
- ANuclei concerned with set-points
- BSuprachiasmatic nucleus to do with circadian rhythms
- CMammillary body to do with recollective memory
- DThe arcuate nucleus to do with feeding
6The periventricular zone of the hypothalamus contains structures that are associated with what functions?
- AArcuate nucleus (feeding)
- BParaventricular nucleus (hormone release into posterior pituitary)
- CSupraoptic nuclei that release hormones into the posterior pituitary
- DMammillary body that is to do with recollective memory
7The medial zone of the hypothalamus contains structures that are associated with what functions?
- AParaventricular nucleus to do with releasing hormones into the posterior pituitary and also feeding
- BArcuate nucleus to do with feeding
- CMammillary body to do with recollective memory
- DSupraoptic nuclei that release hormones into the posterior pituitary
8The lateral zone of the hypothalamus contains structures that are associated with what functions?
- ALateral hypothalamic area to do with feeding
- BSupraoptic nuclei that release hormones into the posterior pituitary
- CArcuate nucleus to do with feeding
- DThe paraventricular nucleus to do with feeding
9On the following diagram of the hypothalamus, what does the green question mark show?
- AMedial zone
- BLateral zone
- CPeriventricular zone
- DThird ventricle
10On the following diagram of the hypothalamus, what does the red question mark show?
- AMedial zone
- BLateral zone
- CPeriventricular zone
- DThird ventricle
11On the following diagram of the hypothalamus, what does the blue question mark show?
- AMedial zone
- BLateral zone
- CPeriventricular zone
- DThird ventricle
12On the following diagram of the hypothalamus, what does the purple question mark show?
- AMedial zone
- BLateral zone
- CPeriventricular zone
- DThird ventricle
13What are the three main functions of the hypothalamus?
- AAutonomic nervous system function
- BEndocrine function
- CBehavioural patterns
- DMotor patterns
- EThoughts
14Exteroreceptors and Interoreceptors input to the hypothalamus via the ANS which monitor the internal and external body environments respectively.
- AVerdadeiro
- BFalso
15Outputs of the hypothalamus to the ANS go via the brain stem and give rise to the SNS and PNS.
- AVerdadeiro
- BFalso
16The hypothalamus is linked directly to both the anterior and posterior pituitary gland.
- AVerdadeiro
- BFalso
17Neurohormones released from axonal projections from the hypothalamus to the posterior pituitary travel directly into the bloodstream and into the circulation.
- AVerdadeiro
- BFalso
18Name two hypothalamic inputs that would monitor short-term behavioural aspects
- AGlucose receptors - detect glucose levels
- BMechanoreceptors - detect how full you are
- CMetaboreceptors - detect how full you are by the accumulation of metabolites at a site
- DBaroreceptors - detect how full you are by pressure on the walls
19Leptin is a hormone released from
- AAdipose tissue
- BThe hypothalamus
- CThe liver
- DConnective tissue
20Leptin acts on the hypothalamus to result in what effects?
- AIncreased metabolic rate (via pituitary and ANS)
- BDecreased feeding behaviour (limbic system)
- CDecreased metabolic rate (via pituitary and ANS)
- DIncreased feeding behaviour (limbic system)
21The arcuate nucleus contains a high density of leptin receptors.
- AVerdadeiro
- BFalso
22What is the purple structure seen on the coronal section of the hypothalamus?
- AArcuate nucleus
- BSuprachiasmatic nucleus
- CParaventricular nucleus
- DMammillary body
23What is the function of the paraventricular nucleus in response to signalling from the purple structure?
- ATells you when you've had enough to eat
- BTells you to when to eat
24What is the function of the lateral hypothalamic area in response to signalling from the purple structure?
- ATells you when you've had enough to eat
- BTells you to when to eat
25What three functions can hypothalamic thermoreceptors co-ordinate?
- AAutonomic - vasodilat/cont
- BBehavioural - shivering/sweating/panting
- CEndocrine - increase/decrease metabolism
- DAutonomic - sweating/shivering
- EEndocrine - vasodilat/cont
26The anterior hypothalamus contains temperature-sensitive neurons that can change their firing rate depending upon if the temperature is hot/cold.
- AVerdadeiro
- BFalso
27Pyrexia is a return to the normal temperature set-point in the hypothalamus.
- AVerdadeiro
- BFalso
28What three reproductive functions (behavioural) does the hypothalamus have?
- AAutonomic - sexual organs - point and shoot
- BEndocrine - puberty
- CBehavioural - attraction
- DAutonomic - puberty
- EEndocrine - attraction
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