26
The thick ascending limb is primarily involved in water reabsorption.
A. TrueB. False
BIOL 252 Anatomy And Physiology II Module 7 Proctored ExamBiol 252 Anatomy And Physiology II Module 7 Proctored Exam
72 questions · Page 2 of 3
Biol 252 Anatomy And Physiology II Module 7 Proctored Exam is a nursing-school practice exam with 72 questions. It is written for nursing students preparing for this course exam and for NCLEX-style review. Every question has its own page showing the full stem, all answer options, the correct answer, and a written rationale explaining why each option is right or wrong.
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Start Practice ExamQuestions 26–50 of 72
27
The distal convoluted tubule (DCT) is shorter than the proximal convoluted tubule (PCT).
A. TrueB. False
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam28
The cells in the collecting ducts that respond to ADH by inserting aquaporin-2 channels are called
A. PodocytesB. Principal cellsC. Glomerular cellsD. Intercalated cells
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam29
Angiotensin II helps regulate blood pressure by all of the following mechanisms EXCEPT:
A. Stimulating thirstB. Causing systemic vasoconstrictionC. Promoting Na+ excretionD. Increasing ADH production
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam30
ADH is released by the anterior pituitary and functions to increase urine output.
A. TrueB. False
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam31
dropdown is the process of returning water and solutes from tubular fluid back into the blood.
A.
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam32
The dropdown surface of PCT cells faces the tubular lumen and is in direct contact with the tubular fluid.
A.
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam33
Inside the PCT cell, bicarbonate is reformed and cotransported with dropdown across the basal membrane into the interstitial space.
A.
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam34
The thick ascending loop actively reabsorbs sodium and chloride using a dropdown cotransporter.
A.
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam35
In the absence of ADH, aquaporin channels are still inserted in the DCT and collecting ducts.
A. TrueB. False
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam36
Principal cells in the collecting ducts are responsible for the regulation of
A. Sodium and potassiumB. Glucose and ureaC. Bicarbonate and chlorideD. Calcium and phosphate
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam37
The oblique entry of the ureters into the bladder wall creates a one-way valve known as the
A. Ureteral sphincterB. Vesicourethral junctionC. TrigoneD. Ureterovesical valve
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam38
The interior lining of the bladder is composed of dropdown epithelium, which can change shape based on bladder fullness.
A.
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam39
In males, the section of the urethra between the proximal and terminal portions is lined with dropdown epithelium.
A.
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam40
Which hormone produced by the urinary system influences red blood cell production?
A. CortisolB. CalcidiolC. Erythropoietin (EPO)D. Insulin
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam41
An increase in glomerular filtration rate (GFR) typically leads to:
A. Reduced blood pressureB. No change in urine volumeC. Decreased urine productionD. Increased urine production
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam42
What happens when sodium remains in the tubular fluid as a result of ANP activity?
A. Water follows sodium, increasing blood volumeB. Blood pressure increases due to water retentionC. Water is retained to maintain homeostasisD. Water is excreted, reducing blood volume and press
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam43
Which statement about simple diffusion is correct?
A. It uses the Na+/K+ pump.B. It moves molecules down their concentration gradieC. It is the main mechanism for glucose absorption.D. It requires a specific receptor for each solute.
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam44
Which of the following statements accurately describes a feature of carrier-mediated transport in urine formation?
A. Carrier proteins can only function on the basal suB. Increasing concentration always increases reabsorpC. Specific substrates bind to any available carrier D. Transport maximum (Tm) determines the renal thresh
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam45
What does the term "transport maximum (Tm)" refer to?
A. The volume of urine produced per hour.B. The pressure at which urine is excreted.C. The amount of ATP needed for filtration.D. The point at which increasing concentration does n
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam46
The sodium-potassium pump operates on the apical side of the renal tubular cells to directly transport glucose into the bloodstream.
A. TrueB. False
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam47
What does an increase in waste product levels in the blood typically indicate regarding renal clearance?
A. Impaired kidney functionB. Increased filtration efficiencyC. Excess protein bindingD. Enhanced tubular absorption
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam48
Which of the following explains why alcohol leads to a higher glomerular filtration rate (GFR)?
A. It promotes ADH releaseB. It causes vasodilation in afferent arteriolesC. It inhibits aldosterone secretionD. It inhibits ADH release, reducing water reabsorpti
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam49
Which structural feature of the glomerular filtration barrier prevents proteins and blood cells from entering Bowman's capsule?
A. Semipermeable walls of the renal tubuleB. Absence of blood supply in Bowman's capsuleC. Active protein pumpsD. Podocyte processes and capillary endothelial fenes
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam50
Why can small changes in blood osmolarity significantly affect kidney filtration?
A. Because the filtration membrane is impermeable to B. Because osmolarity affects smooth muscle contractiC. Because of the low net filtration pressure across D. Because osmolarity regulates aldosterone secretion
BIOL 252 Anatomy And Physiology II Module 7 Proctored Exam