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The Hypothalamic-Pituitary Axis

Interactive Physiology® Quiz: The Hypothalamic-Pituitary Axis

This activity contains 42 questions.

Question 1
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Which region of the brain directly regulates pituitary gland activity?
 
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Question 2
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Question 3
3
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Question 4
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Negative feedback exerted by the target hormone can be directed at the anterior pituitary gland and/or ventral hypothalamus.

   
 
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Question 5
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Neurotransmitters and hormones function identically.

   
 
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Question 6
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The posterior pituitary is composed of glandular tissue.

   
 
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Question 7
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Antidiuretic hormone is also known as vasopressin.

   
 
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Question 8
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The pituitary gland is also known as the
 
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Question 9
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Which two hormones are produced by the same cell?
 
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Question 10
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Which hormone is NOT considered to be a trophic hormone?
 
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Question 11
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Hormones released by the ventral hypothalamus
 
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Question 12
12
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Hormones released by the supraoptic and paraventricular nuclei of the hypothalamus
 
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Question 13
13
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Which blood vessel(s) connect(s) the capillaries of the ventral hypothalamus to the capillaries that surround the anterior pituitary gland?
 
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Question 14
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Most of the ventral hypothalamic hormones cause the secretion of
 
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Question 15
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Where are oxytocin and ADH stored for later release?
 
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Question 16
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Which of the following is an example of a neurohormone?
 
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Question 17
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Which hormone is released from a neuron?
 
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Question 18
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Which hormone does NOT enter the systemic blood supply to exert its effect?
 
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Question 19
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Thyroid hormone stimulates the secretion of
 
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Question 20
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Match each region of the pituitary gland to its characteristic.

Using the pull-down menus, match each item in the left column to the corresponding item in the right column.
A Is composed primarily of neuronal tissue
B Is connected to the hypothalamus via the hypophyseal portal system
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Question 21
21
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Match each hypothalamic hormone to its function. An answer is used just one time.

Using the pull-down menus, match each item in the left column to the corresponding item in the right column.
A Inhibits milk production
B Stimulates the release of GH
C Stimulates the release of FSH and LH
D Stimulates the release of thyroid hormone
E Stimulates the release of ACTH
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Question 22
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A crying infant's ability to stimulate the release of oxytocin from its mother's hypothalamus is an example of a neuroendocrine response.

   
 
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Question 23
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The hypothalamus' functions are completely independent of nervous input.

   
 
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Question 24
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The hypothalamus
 
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Question 25
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An increase in blood osmolarity will stimulate the hypothalamus to release
 
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Question 26
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Input from the ___________ to the hypothalamus is one way to explain the fluctuating levels of hormones over a 24-hour period (circadian rhythm).
 
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Question 27
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Which statement(s) is/are TRUE?
 
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Question 28
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Question 29
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Of the hormones listed, which hormone is released first?
 
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Question 30
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Which hormone controls the secretion of T3 and T4 as well as the growth of the thyroid gland?
 
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Question 31
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Thyroid hormone
 
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Question 32
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___________ is the active form of thyroid hormone.
 
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Question 33
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Which organ(s) function(s) to activate 80% of thyroid hormone?
 
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Question 34
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Which statement is TRUE?
 
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Question 35
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Thyroid hormone
 
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Question 36
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Thyroid hormone
 
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Question 37
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Which of the following would result in cretinism?
 
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Question 38
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Thyroid hormone amplifies the activity of
 
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Question 39
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Question 40
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Thyroid-stimulating immunoglobin mimics the action of TSH.

   
 
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Question 41
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In order to determine the pathology of thyroid function it is important to first determine whether the changes are due to the gland itself or changes in pituitary gland's secretion of TSH.

   
 
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Question 42
42
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Match each hypothalamic hormone to its function.

Using the pull-down menus, match each item in the left column to the corresponding item in the right column.
A Decrease BMR
B Weight loss despite ample food consumption
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