Exam 16: The Digestive System

Vitamin D must be activated by the ____________________ and ____________________.

The adrenocortical hormones cortisol and aldosterone are peptide hormones.

Stress is the primary stimulus for mineralocorticoid secretion.

Which of these statements correctly describes thyroxin?

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 -stimulated by glucagon and cortisol

Calcitonin decreases plasma Ca²⁺.

Increased levels of which of these hormones would NOT result in increased blood fatty acid levels?

Match the hormones, labelled a. through k., with their correct characteristics. (Options may be used more than once or not at all.) a.ACTH b.aldosterone c.calcitonin d.cortisol e.DHEA f.epinephrine g.glucagon h.insulin i.parathyroid hormone j.thyroid hormone k.vitamin D -at highest blood concentration in the morning and lowest at night

Thyroglobulin is found in the cytosol of the thyroid follicular cells.

Indicate the causes of diabetes mellitus and its physiological effects.

Epinephrine and norepinephrine exert identical effects in all tissues.

When catecholamines are secreted from the adrenal medulla, what is this a response to?

Insulin increases glucose transport into all tissues.

Gluconeogenesis and glycogenolysis in the liver play a major role in maintaining a constant blood glucose level between meals.

The primary energy source for the body during the postabsorptive state is glucose.

Which statement does NOT correctly describe blood sugar levels?

Which of the following hormones decreases the concentration of calcium in the blood?

What does an increase in plasma levels of ACTH lead to?

Which of the following symptoms is NOT associated with hyperthyroidism?

Thyroid-stimulating hormone is produced by the thyroid gland.