1|Page
Bio 151 Human Anatomy And Physiology Final Exam
2025/2026Test Bank Complete 300 Questions And
100%Correct Detailed Answers |Already Graded A+
What does the term "glomerular filtration rate" (GFR) refer
to?
A) The rate at which urine is produced
B) The rate at which blood is filtered through the kidneys
C) The rate at which glucose is absorbed in the renal
tubules
D) The rate at which water is reabsorbed into the
bloodstream - ANSWER-Answer: B) The rate at which
blood is filtered through the kidneys
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Which part of the nephron is primarily involved in the
reabsorption of sodium and water?
A) Proximal convoluted tubule
B) Loop of Henle
C) Distal convoluted tubule
D) Collecting duct - ANSWER-Answer: A) Proximal
convoluted tubule
Which of the following is a buffer system that helps
maintain blood pH in the kidneys?
A) Carbonic acid-bicarbonate buffer
B) Hemoglobin buffer system
C) Phosphate buffer system
D) Both A and C - ANSWER-Answer: D) Both A and C
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The release of renin by the kidneys is primarily triggered
by:
A) High blood pressure
B) Low blood oxygen levels
C) Low blood sodium levels
D) Dehydration - ANSWER-Answer: C) Low blood sodium
levels
Which hormone is secreted by the kidneys in response to
low oxygen levels to stimulate erythropoiesis?
A) Renin
B) Erythropoietin
C) Angiotensin II
, 4|Page
D) Cortisol - ANSWER-Answer: B) Erythropoietin
In which part of the nephron does the majority of sodium
reabsorption occur?
A) Glomerulus
B) Loop of Henle
C) Proximal convoluted tubule
D) Collecting duct - ANSWER-Answer: C) Proximal
convoluted tubule
The primary role of ATP in muscle contraction is to:
A) Power myosin heads for cross-bridge cycling
B) Break down glycogen in muscle cells
C) Stimulate muscle fiber recruitment
Bio 151 Human Anatomy And Physiology Final Exam
2025/2026Test Bank Complete 300 Questions And
100%Correct Detailed Answers |Already Graded A+
What does the term "glomerular filtration rate" (GFR) refer
to?
A) The rate at which urine is produced
B) The rate at which blood is filtered through the kidneys
C) The rate at which glucose is absorbed in the renal
tubules
D) The rate at which water is reabsorbed into the
bloodstream - ANSWER-Answer: B) The rate at which
blood is filtered through the kidneys
,2|Page
Which part of the nephron is primarily involved in the
reabsorption of sodium and water?
A) Proximal convoluted tubule
B) Loop of Henle
C) Distal convoluted tubule
D) Collecting duct - ANSWER-Answer: A) Proximal
convoluted tubule
Which of the following is a buffer system that helps
maintain blood pH in the kidneys?
A) Carbonic acid-bicarbonate buffer
B) Hemoglobin buffer system
C) Phosphate buffer system
D) Both A and C - ANSWER-Answer: D) Both A and C
,3|Page
The release of renin by the kidneys is primarily triggered
by:
A) High blood pressure
B) Low blood oxygen levels
C) Low blood sodium levels
D) Dehydration - ANSWER-Answer: C) Low blood sodium
levels
Which hormone is secreted by the kidneys in response to
low oxygen levels to stimulate erythropoiesis?
A) Renin
B) Erythropoietin
C) Angiotensin II
, 4|Page
D) Cortisol - ANSWER-Answer: B) Erythropoietin
In which part of the nephron does the majority of sodium
reabsorption occur?
A) Glomerulus
B) Loop of Henle
C) Proximal convoluted tubule
D) Collecting duct - ANSWER-Answer: C) Proximal
convoluted tubule
The primary role of ATP in muscle contraction is to:
A) Power myosin heads for cross-bridge cycling
B) Break down glycogen in muscle cells
C) Stimulate muscle fiber recruitment
