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Exam 15: The Urinary System

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Question 61

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Highly sensitive cells within the hypothalamus that react to changes in blood composition and cause the release of antidiuretic hormone (ADH) when appropriate are called ________.

A) thermoreceptors
B) baroreceptors
C) mechanoreceptors
D) osmoreceptors

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Question 62

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The peritubular capillary bed arises from the afferent arteriole.

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Question 63

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In males, the urethra is part of both the urinary system and ________.

Tubular secretion moves items from the blood of the peritubular capillaries to the filtrate for elimination in the urine.

Identify the urinary structure with its associated description: A) renal vein B) renal medulla C) calyces D) renal pelvis E) renal (medullary) pyramids F) renal columns G) renal cortex -Triangular regions with a striped appearance

The urethra, which carries urine exiting the urinary bladder by peristalsis, is typically shorter in females than in males.

The kidneys are situated in a retroperitoneal position and found between the T₁₂ and L₃ vertebrae.

Using Figure 15.2, identify the following: -The glomerular capsule (Bowman's capsule) is indicated by ________.

The functional unit of the kidney that filters blood and forms urine is the ________.

Urine has a specific gravity closest to 1.001 when excessive fluids are consumed.

Identify the process that occurs in the kidney. A) tubular reabsorption B) glomerular filtration C) tubular secretion -Antidiuretic hormone (ADH) promotes the movement of water from the filtrate back into the blood of the peritubular capillaries

Renal (medullary) pyramids are separated by extensions of cortex-like tissue called the ________.

The micturition reflex forces urine into the upper part of the ________.

Inflammation of the urethra is called ________.

Identify the process that occurs in the kidney. A) tubular reabsorption B) glomerular filtration C) tubular secretion -Opposite process to tubular reabsorption

Explain the renin-angiotensin mechanism.

Using Figure 15.1, identify the following: -The renal cortex is indicated by ________.

Describe how the bicarbonate buffer system functions to maintain pH.

Why is the trigone of the urinary bladder clinically important?

Which one of the following is NOT one of the major roles of the kidneys in normal healthy adults?