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15 terms

pretest for endocrine system

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Regulation of the release of T3 and T4 from the thyroid gland is controlled by
negative feedback
Which of the following is a steroid hormone?
Cortisol
To adapt to high hormone concentrations, many target cells have the capacity for
down-regulation
Growth hormone is secreted into the bloodstream by the
anterior pituitary
Target cells for aldosterone are located in the
kidneys.
The primary effect of antidiuretic hormone (ADH) in the kidneys is to stimulate:
water reabsorption.
Calcitonin and parathyroid hormone strictly regulate serum levels of
calcium.
Which of the following nutrients is essential for thyroid hormone synthesis?
Iodine
The main function of thyroid hormone (T3 and T4) is control of:
metabolic rate.
Increased thyroid hormone levels in the blood result in:
decreased release of thyroid-stimulating hormone from the anterior pituitary
Which cells in the pancreas secrete insulin?
Beta
The primary physiologic effect of insulin is to:
promote glucose uptake into cells.
Which hormone functions as an antagonist to insulin?
Glucagon
High levels of glucocorticoids such as cortisol can result in
immunosuppression
Adrenocorticotropic hormone (ACTH) is synthesized and released in the:
anterior pituitary.