Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Chapter 25, Problem 11MC
Summary Introduction
To determine:
ADH release is enhanced by the following factor:
(a) Increase in ECF volume
(b) Decrease in ECF volume
(c) Decrease in ECF osmolality
(d) Increase in ECF osmolality
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Which of the following factors will enhance ADH release? (a) increase in ECF volume, (b) decrease in ECF volume, (c) decrease in ECF osmolality, (d) increase in ECF osmolality.
An increase in plasma angiotensin Il will cause an increase in which of the
following? *
(1) An increase in aldosterone release
(2) An increase in BP
(3) An increase in water reabsorption via an increase in ADH release
(4) An increase in peripheral resistance
O A - If answers (1), (2) and (3) are TRUE
B - If answers (1) and (3) are TRUE
C- If answers (2) and (4) are TRUE
D - If only answer (4) is TRUE
E - If answers (1), (2), (3) and (4) are TRUE
Which of the following are true regarding the blood-testis barrier? *
(1) Sertoli cells are components of this barrier.
(2) There are tight junctions which do not allow anything to pass through.
(3) It protects sperms from the body's immune system.
(4) It is found in the Vas deferens.
A - If answers (1), (2) and (3) are TRUE
B - If answers (1) and (3) are TRUE
O c- If answers (2) and (4) are TRUE
D - If only answer (4) is TRUE
E - If answers (1), (2), (3) and (4) are TRUE
50. During an in vitro experiment studying aldosterone secretion, an isolated adrenal gland is perfused with various concentrations of potassium and angiotensin II. Which of the following
combinations of potassium and angiotensin II will cause the greatest increase in aldosterone secretion?
Angiotensin II
A)
B)
C)
D)
E)
F)
G)
1)
Potassium
Increased
Increased
Increased
Normal
Normal
Normal
Decreased
Decreased
Decreased
increased
unchanged
decreased
increased
unchanged
decreased
increased
unchanged
decreased
Chapter 25 Solutions
Anatomy & Physiology (6th Edition)
Ch. 25.1 - Which do you have more of, extracellular or...Ch. 25.1 - What is the major cation in the ECF? In ICF? What...Ch. 25.1 - If you eat salty pretzels without drinking, what...Ch. 25.2 - Prob. 6CYUCh. 25.2 - ADH, by itself, cannot reduce an increase in...Ch. 25.2 - For each of the following, state whether it might...Ch. 25.3 - Nathan has Addisons disease (insufficient...Ch. 25.3 - Prob. 9CYUCh. 25.3 - Prob. 10CYUCh. 25.4 - Define acidemia and alkalemia.
Ch. 25.4 - What are the bodys three major chemical buffer...Ch. 25.4 - Joanne, a diabetic patient, is at the emergency...Ch. 25.5 - Reabsorption of HCO3 is always tied to the...Ch. 25.5 - Prob. 14CYUCh. 25.5 - Prob. 15CYUCh. 25.5 - Prob. 16CYUCh. 25.6 - Which two abnormalities in plasma are key features...Ch. 25.6 - How do the kidneys compensate for respiratory...Ch. 25 - Body water content is greatest in (a) infants, (b)...Ch. 25 - Potassium, magnesium, and phosphate ions are the...Ch. 25 - Sodium balance is regulated primarily by control...Ch. 25 - Prob. 4MCCh. 25 - Two main substances regulated by the influence of...Ch. 25 - Two substances regulated by parathyroid hormone.Ch. 25 - Two substances secreted into the proximal...Ch. 25 - Prob. 8MCCh. 25 - Prob. 9MCCh. 25 - Prob. 10MCCh. 25 - Prob. 11MCCh. 25 - The pH of blood varies directly with (a) HCO3, (b)...Ch. 25 - In an individual with metabolic acidosis, a clue...Ch. 25 - Name the body fluid compartments, noting their...Ch. 25 - Prob. 2SAQCh. 25 - Prob. 3SAQCh. 25 - Prob. 4SAQCh. 25 - Prob. 5SAQCh. 25 - Explain how the chemical buffer systems resist...Ch. 25 - Explain the relationship of the following to renal...Ch. 25 - Mr. Heyden, a somewhat stocky 72-year-old man, is...Ch. 25 - Mr. Heyden, a somewhat stocky 72-year-old man, is...Ch. 25 - Mr. Heyden, a somewhat stocky 72-year-old man, is...Ch. 25 - Mr. Heyden, a somewhat stocky 72-year-old man, is...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- During a state of low blood volume and decreased extracellular sodium level (as in cardiac failure), which one of the following occurs? 1) B. Aldosterone is produced by the kidneys, leading to the release of renin, which increases kidney reabsorption of sodium. 2) D. Antidiuretic hormone produced by the kidneys stimulates the production of aldosterone by the adrenal gland, which increases reabsorption of sodium and water retention. 3) A. Renin is produced by the kidneys and is converted to angiotensin, which induces the secretion of aldosterone by the adrenal gland, which in turn increases reabsorption of sodium and retention of water. 4) C. Renin is produced by the adrenal glands, leading to vasoconstriction and production of antidiuretic hormone by the pituitary gland, which increases fluid volume by causing water retention. no references, just homeworkarrow_forward50. During an in vitro experiment studying aldosterone secretion, an isolated adrenal gland is perfused with various concentrations of potassium and angiotensin II. Which of the following combinations of potassium and angiotensin II will cause the greatest increase in aldosterone secretion? Angiotensin II Į ( A) B) C) D) E) F) G) H) 1) Potassium Increased Increased Increased Normal Normal Normal Decreased Decreased Decreased increased unchanged decreased increased unchanged decreased increased unchanged decreasedarrow_forwardPlease help me with these questions, more than one answer may be correct for each:1) Which of the following statements are true about the renin-angiotensin-aldosterone axis? A) Angiotensin II stimulates production of aldosterone, which increases sodium reabsorption B) Renin converts angiotensinogen to angotensin I C) Angiotensin II stimulates production of vasopressin, which increases aquaporins in the collecting duct D) Vasopressin decreases thirst E) Renin lowers GFR 2) The purpose of excretion is to A) maintain internal pH B) remove harmful substances C) maintain plasma volume D) maintain osmotic balance E) maintain internal solute concentrationarrow_forward
- The higher the plasma concentration of aldosterone, themore efficiently the kidney will(a) conserve sodium ions.(b) retain potassium ions.(c) stimulate urinary water loss. (d) secrete greater amounts of ADH.arrow_forwardTheoretically, which one of the following hormones could be administered to decrease blood volume: antidiuretic hormone, aldosterone, parathyroid hormone, or atrial natriuretic peptide? Explain.arrow_forward50 Which of the following is most likely to stimulate the release of aldosterone from the adrenal gland? A) A decrease in the osmolality of the plasma B) A decrease in the release of renin by the kidney C) An increase in the arterial blood pressure D) An increase in the extracellular fluid volume E) An increase in the rate of conversion of angiotensin I to angiotensin IIarrow_forward
- Increased concentrations of aldosterone lead to ... a) Increased reabsorption of Na + b) Decreased blood volume c) Increased permeability to water in distal tubules d) Decreased reabsorption of Cl-arrow_forwarda) What happens to plasma osmolarity when there is excessive water loss through sweating and it is not replaced? b) Describe the actions of natriuretic peptides, how is it activated and where are releasedarrow_forwardNathan has Addison’s disease (insufficient aldosterone release). How does this affect his plasma Na+ and K+ levels? How does this affect his blood pressure? Explain.arrow_forward
- there is a known cause of high blood pressure that occurs because of a reduced fluid flow that triggers RAAS and Na+ reaborption with increased blood volume and pressure. what is it?arrow_forwardWhat type of urine will a patient produce while taking aldosterone-blocking drug for hypertention (specifically volume, concentration, contents, etc)?arrow_forwardThe relationship between ADH and the tubular re-absorbtion of water?arrow_forward
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