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NMS Semester 2 Set 4 Quiz - The Hypothalamus

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Resumo de Recurso

Questão 1

Questão
What does the hypothalamus regulate?
Responda
  • Cardiovascular system
  • Respiratory system
  • Blood
  • Food and water intake

Questão 2

Questão
Name outputs from the hypothalamus.
Responda
  • Hormones that cause release of pituitary hormones.
  • Autonomic nervous system activity via brainstem
  • Emotional output via the limbic system
  • Hippocampus
  • Retina
  • Sensory receptors in the viscera

Questão 3

Questão
Name inputs to the hypothalamus
Responda
  • Sensory receptors from the viscera
  • Sensory receptors within the hypothalamus
  • Visual (retina)
  • Smell (olfactory)
  • Emotion (limbic)
  • Hippocampus (memory)
  • Hormones (pituitary gland)
  • Motor (motor cortex)

Questão 4

Questão
The preoptic area of the anterior hypothalamus contains structures that are associated with what functions?
Responda
  • Nuclei concerned with set-points
  • Suprachiasmatic nucleus to do with circadian rhythms
  • Mammillary body to do with recollective memory
  • The arcuate nucleus to do with feeding

Questão 5

Questão
The posterior hypothalamus contains structures that are associated with what functions?
Responda
  • Nuclei concerned with set-points
  • Suprachiasmatic nucleus to do with circadian rhythms
  • Mammillary body to do with recollective memory
  • The arcuate nucleus to do with feeding

Questão 6

Questão
The periventricular zone of the hypothalamus contains structures that are associated with what functions?
Responda
  • Arcuate nucleus (feeding)
  • Paraventricular nucleus (hormone release into posterior pituitary)
  • Supraoptic nuclei that release hormones into the posterior pituitary
  • Mammillary body that is to do with recollective memory

Questão 7

Questão
The medial zone of the hypothalamus contains structures that are associated with what functions?
Responda
  • Paraventricular nucleus to do with releasing hormones into the posterior pituitary and also feeding
  • Arcuate nucleus to do with feeding
  • Mammillary body to do with recollective memory
  • Supraoptic nuclei that release hormones into the posterior pituitary

Questão 8

Questão
The lateral zone of the hypothalamus contains structures that are associated with what functions?
Responda
  • Lateral hypothalamic area to do with feeding
  • Supraoptic nuclei that release hormones into the posterior pituitary
  • Arcuate nucleus to do with feeding
  • The paraventricular nucleus to do with feeding

Questão 9

Questão
On the following diagram of the hypothalamus, what does the green question mark show?
Image:
76792ba0-4603-4be0-802e-92c4ce4ea9ae (image/png)
Responda
  • Medial zone
  • Lateral zone
  • Periventricular zone
  • Third ventricle

Questão 10

Questão
On the following diagram of the hypothalamus, what does the red question mark show?
Image:
dc990844-24fa-448b-bd36-16c667c4eaf4 (image/png)
Responda
  • Medial zone
  • Lateral zone
  • Periventricular zone
  • Third ventricle

Questão 11

Questão
On the following diagram of the hypothalamus, what does the blue question mark show?
Image:
8aadd28f-ad7b-41b7-8352-07b7247a2db2 (image/png)
Responda
  • Medial zone
  • Lateral zone
  • Periventricular zone
  • Third ventricle

Questão 12

Questão
On the following diagram of the hypothalamus, what does the purple question mark show?
Image:
131b5db9-f73d-49a2-bd2e-f0a4ebf3e1d8 (image/png)
Responda
  • Medial zone
  • Lateral zone
  • Periventricular zone
  • Third ventricle

Questão 13

Questão
What are the three main functions of the hypothalamus?
Responda
  • Autonomic nervous system function
  • Endocrine function
  • Behavioural patterns
  • Motor patterns
  • Thoughts

Questão 14

Questão
Exteroreceptors and Interoreceptors input to the hypothalamus via the ANS which monitor the internal and external body environments respectively.
Responda
  • True
  • False

Questão 15

Questão
Outputs of the hypothalamus to the ANS go via the brain stem and give rise to the SNS and PNS.
Responda
  • True
  • False

Questão 16

Questão
The hypothalamus is linked directly to both the anterior and posterior pituitary gland.
Responda
  • True
  • False

Questão 17

Questão
Neurohormones released from axonal projections from the hypothalamus to the posterior pituitary travel directly into the bloodstream and into the circulation.
Responda
  • True
  • False

Questão 18

Questão
Name two hypothalamic inputs that would monitor short-term behavioural aspects
Responda
  • Glucose receptors - detect glucose levels
  • Mechanoreceptors - detect how full you are
  • Metaboreceptors - detect how full you are by the accumulation of metabolites at a site
  • Baroreceptors - detect how full you are by pressure on the walls

Questão 19

Questão
Leptin is a hormone released from
Responda
  • Adipose tissue
  • The hypothalamus
  • The liver
  • Connective tissue

Questão 20

Questão
Leptin acts on the hypothalamus to result in what effects?
Responda
  • Increased metabolic rate (via pituitary and ANS)
  • Decreased feeding behaviour (limbic system)
  • Decreased metabolic rate (via pituitary and ANS)
  • Increased feeding behaviour (limbic system)

Questão 21

Questão
The arcuate nucleus contains a high density of leptin receptors.
Responda
  • True
  • False

Questão 22

Questão
What is the purple structure seen on the coronal section of the hypothalamus?
Image:
93546a70-901f-4681-9c6b-71c28e090716 (image/png)
Responda
  • Arcuate nucleus
  • Suprachiasmatic nucleus
  • Paraventricular nucleus
  • Mammillary body

Questão 23

Questão
What is the function of the paraventricular nucleus in response to signalling from the purple structure?
Image:
7ede75bd-9972-4bb4-8d2c-35beb62caa65 (image/png)
Responda
  • Tells you when you've had enough to eat
  • Tells you to when to eat

Questão 24

Questão
What is the function of the lateral hypothalamic area in response to signalling from the purple structure?
Image:
b825497b-9d5f-4187-8d67-a0f94bda52df (image/png)
Responda
  • Tells you when you've had enough to eat
  • Tells you to when to eat

Questão 25

Questão
What three functions can hypothalamic thermoreceptors co-ordinate?
Responda
  • Autonomic - vasodilat/cont
  • Behavioural - shivering/sweating/panting
  • Endocrine - increase/decrease metabolism
  • Autonomic - sweating/shivering
  • Endocrine - vasodilat/cont

Questão 26

Questão
The anterior hypothalamus contains temperature-sensitive neurons that can change their firing rate depending upon if the temperature is hot/cold.
Responda
  • True
  • False

Questão 27

Questão
Pyrexia is a return to the normal temperature set-point in the hypothalamus.
Responda
  • True
  • False

Questão 28

Questão
What three reproductive functions (behavioural) does the hypothalamus have?
Responda
  • Autonomic - sexual organs - point and shoot
  • Endocrine - puberty
  • Behavioural - attraction
  • Autonomic - puberty
  • Endocrine - attraction

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