ANAT.+PHYSIO.2-LAB.MAN. >CUSTOM<
20th Edition
ISBN: 9781264303090
Author: VanPutte
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 27, Problem 8RAC
Calcium ion concentration in the blood decreases when
a. vitamin D levels are lower than normal.
b. calcitonin secretion decreases.
c. PTH secretion increases.
d. All of these are correct.
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Hypersecretion of growth hormonea. results in gigantism if it occurs in children.b. causes acromegaly in adults.c. increases the probability that a person will develop diabetes.d. can lead to severe atherosclerosis.e. All of these are correct.
A patient with parathyroid deficiency 10 days after inadvertent damage to the parathyroid glands during thyroid surgery would probably have
A. a low plasma calcium level, increased membrane permeability to sodium, increased muscular excitability, and muscle spasms or twitching.
B. a high plasma calcium level, decreased membrane permeability to sodium, and bone demineralization.
C. low plasma phosphate and calcium levels, decreased muscular excitability, and bone demineralization.
D. a high plasma calcium level, increased muscular excitability, and bone demineralization.
E. a low plasma calcium level, decreased membrane permeability to sodium, increased muscular excitability, and muscle spasms or twitching.
Which of the following is important for raising the blood calcium level?
A. Vitamin D
B. Calcitriol
C. Calcitonin
D. PTH
Chapter 27 Solutions
ANAT.+PHYSIO.2-LAB.MAN. >CUSTOM<
Ch. 27.1 - What are the two major fluid compartments of the...Ch. 27.1 - Prob. 2AYPCh. 27.1 - Prob. 3AYPCh. 27.1 - What factors contribute to edema?Ch. 27.2 - Prob. 5AYPCh. 27.2 - Prob. 6AYPCh. 27.2 - Prob. 7AYPCh. 27.2 - Prob. 8AYPCh. 27.2 - Prob. 9AYPCh. 27.2 - Prob. 10AYP
Ch. 27.2 - Prob. 11AYPCh. 27.2 - What effect does atrial natriuretic hormone (ANH)...Ch. 27.2 - Prob. 13AYPCh. 27.3 - Prob. 14AYPCh. 27.3 - What characteristic of the plasma membrane is...Ch. 27.4 - Prob. 16AYPCh. 27.4 - Prob. 17AYPCh. 27.4 - Prob. 18AYPCh. 27.4 - Prob. 19AYPCh. 27.4 - Prob. 20AYPCh. 27.4 - Prob. 21AYPCh. 27.4 - Prob. 22AYPCh. 27.4 - What effect does an increase or a decrease in...Ch. 27.4 - Prob. 24AYPCh. 27.4 - Prob. 25AYPCh. 27.4 - Describe the effects of hypocalcemia and...Ch. 27.4 - Prob. 27AYPCh. 27.4 - Prob. 28AYPCh. 27.4 - Prob. 29AYPCh. 27.4 - Prob. 30AYPCh. 27.4 - Prob. 31AYPCh. 27.4 - Prob. 32AYPCh. 27.4 - Prob. 33AYPCh. 27.4 - Prob. 34AYPCh. 27.4 - Prob. 35AYPCh. 27.5 - Prob. 36AYPCh. 27.5 - Prob. 37AYPCh. 27.5 - What ore the three major mechanismsthat regulate...Ch. 27.5 - Compare the capacity and rate at which the...Ch. 27.5 - Prob. 40AYPCh. 27.5 - Name the three buffer systems of the body. Which...Ch. 27.5 - Prob. 42AYPCh. 27.5 - Prob. 43AYPCh. 27.5 - Prob. 44AYPCh. 27.5 - Prob. 45AYPCh. 27.5 - Prob. 46AYPCh. 27.5 - Prob. 47AYPCh. 27.5 - What is alkalosis? What are the two types, and...Ch. 27 - Prob. 1RACCh. 27 - Prob. 2RACCh. 27 - Prob. 3RACCh. 27 - Prob. 4RACCh. 27 - Prob. 5RACCh. 27 - Prob. 6RACCh. 27 - A decrease in extracellular K+ a. produces...Ch. 27 - Calcium ion concentration in the blood decreases...Ch. 27 - Prob. 9RACCh. 27 - Prob. 10RACCh. 27 - Prob. 11RACCh. 27 - Prob. 12RACCh. 27 - Prob. 13RACCh. 27 - Prob. 14RACCh. 27 - Prob. 15RACCh. 27 - Prob. 16RACCh. 27 - Prob. 1CTCh. 27 - A patient suffering from a tumor in the...Ch. 27 - Acetazolamide is a diuretic that blocksthe...Ch. 27 - As part of a physiology experiment, an anatomy and...Ch. 27 - Prob. 5CT
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- An excess of this hormone causes osteoporosis A. Calcitonin B. Parathyroid Hormone C. Calcitriol D. A and B E. All of the abovearrow_forwardAcromegaly and gigantism are both caused by hypersecretion of Select one: a. hGH b. thyroxine c. ADH d. PTHarrow_forwardWhich of the following is most likely to be releasedwhen blood calcium levels are elevated?a. thyroxineb. calcitoninc. parathyroid hormoned. vitamin Darrow_forward
- If parathyroid hormone levels increase, which of these conditions isexpected?a. Osteoclast activity increases.b. Calcium absorption from the small intestine is inhibited.c. Calcium reabsorption from the urine is inhibited.d. Less active vitamin D forms in the kidneys.e. All of these are correct.arrow_forwardCalcium concentration in blood is controlled by: A Hypothalamus and anterior pituitary gland B. Thyroid and parathyroid glands C. Adrenal and pineal glands D. Adrenal cortex and adrenal medulla E. Anterior and posterior pituitary glands The adrenal cortex produces only: A. Polypeptide hormones B. Corticosteroid hormones C. Amine-derived hormones D. Glucagon E. Prolactinarrow_forwardWhich of the following can result fromhyperparathyroidism?a. increased bone depositionb. fracturesc. convulsionsd. all of the abovearrow_forward
- Which of the following hormones increases blood calcium levels?a. calcitonin b. thyroxine (T4)c. parathyroid hormone d. mineralocorticoidarrow_forwardA tumour on the parathyroid glands will result in excessive production of parathyroid hormone (PTH) called hyperparathyroidism. PTH has a significant role in calcium homeostasis. Hyperparathyroidism will result in all the following EXCEPT Select one: a. the increase in blood calcium levels b. the breakdown of bones and teeth to release calcium into the blood c. the deposition of calcium into bones and teeth, making them strong and healthy d. the increase in absorption of calcium ions by kidney nephrons, leading to kidney stonesarrow_forwardCalcitonina. is secreted by the parathyroid glands.b. levels increase when blood calcium levels decrease.c. causes blood calcium levels to decrease.d. insufficiency results in weak bones and tetany.arrow_forward
- Calcitonin has the following biological effects, except:A. Inhibition of vitamin D activityB. Decreased Ca level in bloodC. Decreased phosphorus levels in bloodD. Inhibition of gastrin secretionE. Inhibits bone resorptionarrow_forwardWhen blood calcium levels are low, PTH stimulates ________. a. urinary excretion of calcium by the kidneys b. a reduction in calcium absorption from the intestines c. the activity of osteoblasts d. the activity of osteoclastsarrow_forwardDecreasing blood calcium levels PTH release & calcitonin release. A. inhibits; triggers B. triggers; inhibits C. decreases; inhibits D. triggers; increases a b d. ABccarrow_forward
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