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BIO 169 Final Exam (Chapters 13 - 24) | Questions And Answers Latest {} A+ Graded | 100% Verified
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BIO 169 Final Exam (Chapters 13 - 24) | Questions And Answers Latest {} A+ Graded | 100% Verified
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BIO 169 Final Exam (Chapters 13 - 24) | Questions And Answers Latest {2024- 2025} A+Graded | 100% Verified
A renal corpuscle is a ________, whereas a renal tubule is a ________. - cluster of blood capillaries and
glomerular capsule; highly coiled tubule exiting the glomerular capsule
Which choice describes the countercurrent mechanism of the nephron loop? - Water moves out of the
descending limb; sodium moves out of the ascending limb
When sodium ions are reabsorbed through the wall of the renal tubule by active transport, chloride ions
are - reabsorbed by passive transport.
Hemodialysis involves - an artificial kidney
Peristaltic waves force urine along the length of the ureter. - True
Secretion of atrial natriuretic peptide - increases sodium excretion
Podocytes and pedicels are part of the - glomerular capsule
Glomerulonephritis is inflammation of the - glomerular capillaries
A product of the metabolism of certain nucleic acid bases is - uric acid
As a consequence of widespread edema associated with nephrotic syndrome, blood volume - decreases
and blood pressure drops
Glomerular filtration produces about 18 liters of fluid in twenty-four hours. - False
A renal clearance test determines the rate at which the kidneys can - remove a particular substance
from the blood.
,An adaptation of the epithelial cells of the proximal convoluted tubule for reabsorption is - microscopic
projections called microvilli.
The layers of a ureter are - outer fibrous coat, middle muscular coat, inner mucous coat.
The organs of the urinary system are - paired kidneys, paired ureters, a bladder and a urethra.
Parathyroid hormone increases phosphate reabsorption from the renal tubules. - False
Compared to the average adult male, the average adult female has - less water and more adipose tissue.
Lara had a gastric band placed around her stomach, which makes it smaller and able to hold less. How
will this affect her thirst? - Less water is needed to satisfy her thirst
Factors that alter water balance will also alter electrolyte balance. - True
A researcher wants to study the different electrolytes released by the human body. Which of the
following sources should they use to gather the largest quantities of electrolyte output? - Urine
Baby Britney develops a respiratory infection in both lungs. The infection causes an accumulation of
fluid in her alveoli. Which of the following describes a way her body will try to compensate for the pH-
related condition she will develop? - Increase rate and depth of breathing
A person usually drinks about ________ milliliters a day. - 1500
The thirst center in the hypothalamus is stimulated by ________ of the extracellular fluid, and is
inhibited by ________. - an increase in osmotic pressure; distention of the stomach by water
You never feel thirsty even though your body frequently becomes dehydrated. Your doctor suspects that
the problem might be an imbalance or abnormality in your brain. The doctor will want to do
neuroimaging of your - hypothalamus
, An important stimulus for the secretion of aldosterone is - increasing potassium ion concentration
Water intoxication causes - low blood sodium
Water balance and electrolyte balance are interdependent because - Electrolytes are dissolved in water
A person is experiencing severe heartburn. To compensate for their pain, they take 9 sodium
bicarbonate-based antacids, which is more than triple the recommended dosage. What condition will
they likely experience once the main ingredient of the antacid fully hydrolyzes? - Metabolic alkalosis
Baby Britney develops a respiratory infection in both lungs. The infection causes an accumulation of
fluid in her alveoli. Which of the following conditions will occur as a result? - Respiratory acidosis
Chemical buffer systems act rapidly against shifts in pH, whereas physiological buffer systems function
more slowly. - True
Conscious control of micturition inhibits the micturition reflex by using nerve centers in the - brainstem
and cerebral cortex
Kidney shrinkage with age is due to - loss of glomeruli
Marvin goes on vacation to Maine and for a week eats nothing but seafood. The next week, he
experiences intense pain in his big toe. He probably has - gout
An increase in glomerular osmotic pressure ________ the rate of glomerular filtration. - decreases
You are dissecting a kidney in class and, after cutting a sagittal section through the kidney, decide to
remove some of the lighter-colored inner structures near the superior end of the ureter. You remove a
funnel-shaped sac that connects directly into the ureter, along with many tubes that converge to form
the funnel-shaped sac. Which structures have you removed? - the renal pelvis and calyces
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