MORE PRACTICE Flashcards

1
Q

What causes hypersecretion?

A

usually caused by a tumor or ignoring negative feedback

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2
Q

What causes hyposecretion?

A

gland destruction

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3
Q

What connects the hypothalamus to the pituitary?

A

Infundibulum

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4
Q

How is the pituitary gland divided?

A

Divided into the posterior and anterior

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5
Q

Anterior is made up of lots of what?

A

blood vessels

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6
Q

Posterior is made up of lots of what?

A

neurons

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7
Q

How do neurons move from the hypothalamus to the posterior pituitary?

A

by the hypothalmo-phoyspseal tract this allows secretion of the nerual hormones into the blood stream

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8
Q

Where are the hormones from the hypothalamus secreted

A

they are secreted onto capillaries in mediam eminence

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9
Q

What is the tract of the hormones?

A

hormones goes down into capillaries into galnd and have a tropic effects which makes AP secrete its own hormones into the blood

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10
Q

What is the most common cause of congenetial hypothyroidism

A

dietary iodine deficiency in the mother

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11
Q

Causes of hyperthroidism

A

tumors or autoimmune disease

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12
Q

What is the most common cause of hyperthyrodiism

A

graves disease

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13
Q

How does graves disease cause hyperthyroidism?

A

TSI antibodies stimulate the TSH receptor

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14
Q

What are the main adrenal catecolamines?

A

epinephrine and norepinephrine

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15
Q

Alpha 1 causes what

A

smooth muscle contraction

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16
Q

Beta 1 causes what

A

increase use of cardiac muscle

17
Q

Adrenal medulla released what

A

epinephrine and norepeineprine

18
Q

Beta 2 causes

A

smooth muscle relaxation and diluation