Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 38.4, Problem 1TYK
Summary Introduction
Introduction: The main function of vitamin D in the homeostasis of calcium is to raise the absorption of calcium from the intestine. Absorption of calcium occurs usually by both an active transcellular pathway (energy-dependent) and by a passive paracellular pathway (non-energy dependent) across the tight junctions.
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A patient has a tumor in the adrenal cortex that continuously secretes large amounts of aldosterone. What is this condition called, and what effects does this have on the total amount of sodium and potassium in her body?
True or false ? atrial natriuretic peptide hormone inhibits reabsorption of na+ from the filtrate into the blood and is an antagonist to aldosterone
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Addison’s disease is also known as adrenal insufficiency. In Addison’s disease, the adrenal glands do not produce sufficient amounts of hormones, such as cortisol or aldosterone. Treatment involves supplementing the patient with synthetic forms of the hormones.Select the FOUR numbers of the symptoms below that a physician would be looking for in a patient with low levels of aldosterone.
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Chapter 38 Solutions
Principles of Biology
Ch. 38.1 - Prob. 1TYKCh. 38.1 - The synthesis of which class of hormone requires...Ch. 38.2 - Prob. 1BCCh. 38.2 - Prob. 1TYKCh. 38.2 - Prob. 2TYKCh. 38.3 - Prob. 1BCCh. 38.3 - Prob. 1TYKCh. 38.3 - Prob. 2TYKCh. 38.4 - Prob. 1CCCh. 38.4 - Prob. 1TYK
Ch. 38.5 - Some children with short stature can be...Ch. 38.5 - Prob. 2TYKCh. 38.5 - Prob. 1CCCh. 38.6 - Prob. 1TYKCh. 38.7 - Prob. 1TYKCh. 38 - Prob. 1TYCh. 38 - Prob. 2TYCh. 38 - Which is false about polypeptide hormones? They...Ch. 38 - Which is false about the control of hormones? Many...Ch. 38 - Prob. 5TYCh. 38 - Prob. 6TYCh. 38 - Prob. 7TYCh. 38 - Prob. 8TYCh. 38 - Prob. 9TYCh. 38 - Prob. 10TYCh. 38 - What is the function of leptin, and what is the...Ch. 38 - Prob. 2CCQCh. 38 - A principle of biology is that living organisms...Ch. 38 - Prob. 1CBQCh. 38 - Discuss the role of the different steroid hormones...
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- Discuss the role of aldosterone and PTH in regulating sodium, potassium and calcium.arrow_forwardWhich statement about antidiuretic hormone is TRUE? Antidiuretic hormone increases urine production. Antidiuretic hormone reduces urine production. Antidiuretic hormone is made by the kidneys. Excessive secretion of antidiuretic hormone causes dehydration.arrow_forwardParathyroid hormone stimulates: Select one: Potassium secretion and sodium reabsorption. b. Phosphate secretion and calcium reabsorption. Calcium reabsorption and phosphate secretion. Urea secretion and water reabsorption. Sodium secretion potassium reabsorption.arrow_forward
- Which two ions are most affected by aldosterone?a. sodium and potassiumb. chloride and bicarbonatec. calcium and phosphated. sodium and phosphatearrow_forwardAldosterone secretion is regulated by: A. renin secretion by the kidney resulting in the formation of angiotensin II that directly causes aldosterone release B. direct humoral stimulation of adrenal cortex cells by potassium ions C. ACTH during conditions of severe stress D. Atrial natriuretic pepside causing inhibition of aldosterone effects E. All of these are correctarrow_forwardMatch the endocrine glands numbered above with the functions listed below. ____ Releases a hormone that increases water reabsorption (not through sodium retention)______ Produces ADH and oxytocin __ __ Releases a hormone that stimulates the release of glucose by converting glycogen to glucose______ Releases a hormone that increases water reabsorption through sodium retentio Record your answers from top to bottomarrow_forward
- Which symptoms would you expect to see in a person who was unable to make enough aldosterone? high blood pressure low blood K+ high blood pressure and high blood Na+ low blood pressure and high blood K+arrow_forwardIf a person has low blood pressure, what are some ways the body can compensate? A. Decrease ADH, Increase Aldosterone, Increase blood volume through activating thirst B. Increase in ADH, Increase in Aldosterone, Increase in thirst C. Decrease in ADH, Decrease in Aldosterone, Increase in thirst D. Increase ADH, Decrease Aldosterone, Decrease in thirst sensationarrow_forwardhow does aldosterone raise blood pressure? Choose all that apply: distal convoluted tubule, collecting duct, increase sodium reabsorption, decrease sodium reabsorption, passive movement of water.arrow_forward
- Explain how the mineralocorticoid and Aldosterone regulates sodium and potassium homeostasis.arrow_forwardThe natriuretic peptides act to ____. Group of answer choices stimulate ADH and aldosterone release increase stretch of the heart muscle increase blood volume and pressure decrease blood volume and pressurearrow_forwardWhich hormone is lipid-soluble and helps conserve water?a. ADHb. Aldosteronec. Estrogend. All of the above are correct.arrow_forward
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