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Exam 15: The Urinary System

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Question 1

Multiple Choice

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Minerals that crystallize in the renal pelvis are referred to as

A) kidney stones.
B) pelvic crystals.
C) otoliths.
D) osteocytes.
E) renal deposits.

F) B) and E)
G) B) and D)

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A

Question 2

Multiple Choice

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Aldosterone is secreted in response to changes in

A) blood pressure.
B) blood calcium levels.
C) body temperature.
D) blood potassium levels.
E) blood glucose levels.

F) B) and E)
G) A) and B)

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Question 3

Multiple Choice

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Using the figure above, identify in which one of the following locations a nephron would be found. A) A B) B C) C D) D E) B and C Answer: E Topic: Sec. 15.3 Bloom's: Remembering/Understanding LO: 15.3a GLO: G1 -As urine moves through a nephron, it is modified by ions, water, and other materials either being secreted into the fluid or by efflux of substances out of the urine. However, such modifications do not occur in which one of the following regions of the nephron?

Water and nutrients that have been filtered from the glomerular filtrate are returned to circulation as they enter the

Osmotic concentration in the descending limb of the loop of Henle increases as water moves out.

Which of the following groupings of organs is responsible for the maintenance of water balance in the body?

Three organs in the human body are involved in the production of vitamin D; they are the ________, ________, and ________.

Using the letter choices on the figure above, identify the organs of the urinary system. -stores urine until it is excreted out of the body

Using the figure above, identify in which one of the following locations a nephron would be found. A) A B) B C) C D) D E) B and C Answer: E Topic: Sec. 15.3 Bloom's: Remembering/Understanding LO: 15.3a GLO: G1 -Consider a red blood cell traveling in the renal artery. It passes through several different functional vessels before entering the renal vein. Consider the vessels listed below. Which one of the following answers lists the CORRECT order in which the red blood cell passes through these vessels? 1. peritubular capillaries 2) efferent arteriole 3) afferent arteriole 4) glomerulus 5) renal vein

The hormone ADH

The kidneys function to maintain homeostasis in all of the following ways EXCEPT which one?

The outer portion of the kidneys is the ________, whereas the inner portion is the ________.

Using the letter choices on the figure above, identify the organs of the urinary system. -location of nephrons, which filter blood to remove wastes and retain essential solutes

During times of stress, the autonomic nervous system causes the afferent and efferent arterioles to constrict, resulting in an increase in the amount of urine produced.

Each kidney is made up of a million ________, the functional units of a kidney.

Chloride ions move by ________, following the transport of sodium out of the proximal tubule.

Chloride ions passively follow sodium that has been actively transported out of tubular cells, due to the attraction of negatively charged ions to positively charged ions.

Renin stimulates the secretion of aldosterone.

The steroid hormone ________ regulates the reabsorption of sodium across the collecting duct and distal tubule.

Using the letter choices on the figure above, identify the organs of the urinary system. -muscular tube that passes urine out of the body