NMS Semester 2 Set 4 Quiz - The Hypothalamus

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Question 1

Question
What does the hypothalamus regulate?
Answer
  • Cardiovascular system
  • Respiratory system
  • Blood
  • Food and water intake

Question 2

Question
Name outputs from the hypothalamus.
Answer
  • 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

Question 3

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

Question 4

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

Question 5

Question
The posterior hypothalamus contains structures that are associated with what functions?
Answer
  • 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

Question 6

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

Question 7

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

Question 8

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

Question 9

Question
On the following diagram of the hypothalamus, what does the green question mark show?
Answer
  • Medial zone
  • Lateral zone
  • Periventricular zone
  • Third ventricle

Question 10

Question
On the following diagram of the hypothalamus, what does the red question mark show?
Answer
  • Medial zone
  • Lateral zone
  • Periventricular zone
  • Third ventricle

Question 11

Question
On the following diagram of the hypothalamus, what does the blue question mark show?
Answer
  • Medial zone
  • Lateral zone
  • Periventricular zone
  • Third ventricle

Question 12

Question
On the following diagram of the hypothalamus, what does the purple question mark show?
Answer
  • Medial zone
  • Lateral zone
  • Periventricular zone
  • Third ventricle

Question 13

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

Question 14

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

Question 15

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

Question 16

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

Question 17

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

Question 18

Question
Name two hypothalamic inputs that would monitor short-term behavioural aspects
Answer
  • 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

Question 19

Question
Leptin is a hormone released from
Answer
  • Adipose tissue
  • The hypothalamus
  • The liver
  • Connective tissue

Question 20

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

Question 21

Question
The arcuate nucleus contains a high density of leptin receptors.
Answer
  • True
  • False

Question 22

Question
What is the purple structure seen on the coronal section of the hypothalamus?
Answer
  • Arcuate nucleus
  • Suprachiasmatic nucleus
  • Paraventricular nucleus
  • Mammillary body

Question 23

Question
What is the function of the paraventricular nucleus in response to signalling from the purple structure?
Answer
  • Tells you when you've had enough to eat
  • Tells you to when to eat

Question 24

Question
What is the function of the lateral hypothalamic area in response to signalling from the purple structure?
Answer
  • Tells you when you've had enough to eat
  • Tells you to when to eat

Question 25

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

Question 26

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

Question 27

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

Question 28

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