Exam 16: The Digestive System

Using the letter code, indicate which gland is associated with which characteristics. (Options may be used more than once or not at all.) A) adrenal cortex B) adrenal medulla C) thyroid D) parathyroid E) pancreas ____ is neuroendocrine ____ its zona glomerulosa produces aldosterone ____ regulates blood sugar levels ____ increases blood calcium levels ____ lowered activity from birth results in cretinism ____ produces catecholamines ____ activity always increases upon initiation of the general adaptation mode ____ its hormones require iodine

Which of these statements describes vitamin D?

Which of these hormones influences increased protein degradation?

Which of the following is NOT an effect of thyroid hormone?

The step in vitamin D activation accomplished by the ____________________ is subject to regulation by ____________________ and ____________________.

Which of the following does NOT regulate aldosterone secretion?

Match the biochemical processes, labelled a. through e., with their features. (Options may be used more than once or not at all.) a.gluconeogenesis b.glycogenesis c.glycogenolysis d.both gluconeogenesis and glycogenolysis e.all of these answers -increases the blood glucose concentration

Because of the thyroid hormone's growth-promoting effects, excessive growth is one outcome of excess thyroid hormone secretion in children.

Which statement does NOT apply to glycogenesis?

Which of these hormones is NOT produced by the thyroid gland?

Describe the controls over secretion of mineralo- and glucocorticoids.

Excess TSH stimulation causes hypertrophy in the thyroid gland.

Which of the following is NOT characteristic of the general adaptation syndrome?

Which statement does NOT describe adrenal androgens?

One atom of I attached to tyrosine yields _____________________, whereas the addition of two I atoms to tyrosine forms _____________________.

Over 99 percent of the circulating thyroid hormone is bound to plasma proteins.

Which of these statements describes glucagon?

The _____________________ is the principal site for metabolic interconversions of nutrient molecules.

Match the hormone abnormalities, labelled a. through n., with the symptoms listed. (Options may be used more than once or not at all.) a.catecholamine excess b.catecholamine deficiency c.mineralocorticoid excess d.glucocorticoid excess e.mineralocorticoid glucocorticoid deficiency f.adrenal androgen excess in adult women g.adrenal androgen excess in prepubertal boys h.adrenal androgen excess before birth in females i.parathyroid hormone deficiency j.parathyroid hormone excess k.vitamin D deficiency l.vitamin D excess m.insulin deficiency n.insulin excess -deformed bones, especially weight-bearing bones

Epinephrine is more potent than norepinephrine at beta-2 adrenergic receptors.