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NMS Semester 2 Set 4 Quiz - The Hypothalamus

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Pregunta 1

Pregunta
What does the hypothalamus regulate?
Respuesta
  • Cardiovascular system
  • Respiratory system
  • Blood
  • Food and water intake

Pregunta 2

Pregunta
Name outputs from the hypothalamus.
Respuesta
  • 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

Pregunta 3

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

Pregunta 4

Pregunta
The preoptic area of the anterior hypothalamus contains structures that are associated with what functions?
Respuesta
  • 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

Pregunta 5

Pregunta
The posterior hypothalamus contains structures that are associated with what functions?
Respuesta
  • 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

Pregunta 6

Pregunta
The periventricular zone of the hypothalamus contains structures that are associated with what functions?
Respuesta
  • 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

Pregunta 7

Pregunta
The medial zone of the hypothalamus contains structures that are associated with what functions?
Respuesta
  • 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

Pregunta 8

Pregunta
The lateral zone of the hypothalamus contains structures that are associated with what functions?
Respuesta
  • 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

Pregunta 9

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

Pregunta 10

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

Pregunta 11

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

Pregunta 12

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

Pregunta 13

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

Pregunta 14

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

Pregunta 15

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

Pregunta 16

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

Pregunta 17

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

Pregunta 18

Pregunta
Name two hypothalamic inputs that would monitor short-term behavioural aspects
Respuesta
  • 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

Pregunta 19

Pregunta
Leptin is a hormone released from
Respuesta
  • Adipose tissue
  • The hypothalamus
  • The liver
  • Connective tissue

Pregunta 20

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

Pregunta 21

Pregunta
The arcuate nucleus contains a high density of leptin receptors.
Respuesta
  • True
  • False

Pregunta 22

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

Pregunta 23

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

Pregunta 24

Pregunta
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)
Respuesta
  • Tells you when you've had enough to eat
  • Tells you to when to eat

Pregunta 25

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

Pregunta 26

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

Pregunta 27

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

Pregunta 28

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