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Read the given statements regarding human excretory system and select the correct ones.
(i) Presence of glucose in urine is known as uremia.
(ii) Distal convoluted tubule (DCT) selectively secretes hydrogen ions, ammonia and potassium ions anto the filtrate.
(iii) Macula densa formed by cellular modifications in the distal convoluted tubule and the afferent arteriole at their contact location.
(iv) Atrial natriuretic factor (ANF) can cause vasoconstriction when blood flow is low to the atria of the heart.
(i) Presence of glucose in urine is known as uremia.
(ii) Distal convoluted tubule (DCT) selectively secretes hydrogen ions, ammonia and potassium ions anto the filtrate.
(iii) Macula densa formed by cellular modifications in the distal convoluted tubule and the afferent arteriole at their contact location.
(iv) Atrial natriuretic factor (ANF) can cause vasoconstriction when blood flow is low to the atria of the heart.
- a)(i) and (ii)
- b)(i) and (iii)
- c)(ii) and (iii)
- d)(iii) and (iv)
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Read the given statements regarding human excretory system and select ...
K+, H+, NH3 and HCO3- ions a re secreted by active transport into the filtrate in the DCT. Juxtaglomerular apparatus is a sensitive region formed by cellular modifications in the DCT and the afferent arteriole at their contact location. Juxtaglomerular apparatus consists of juxtaglomerular cells, macula densa and lacis cells. Presence of glucose in the urine is called glycosuria. ANF can cause vasodilation when blood flow is high to the atria of the heart.
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Read the given statements regarding human excretory system and select ...
Statement (i): Presence of glucose in urine is known as uremia.
This statement is incorrect. Uremia refers to the accumulation of waste products, particularly urea, in the blood due to kidney dysfunction. Glucose in urine is known as glucosuria, which is a sign of diabetes or kidney damage.
Statement (ii): Distal convoluted tubule (DCT) selectively secretes hydrogen ions, ammonia, and potassium ions into the filtrate.
This statement is correct. The distal convoluted tubule is responsible for the selective reabsorption and secretion of various substances. It plays a crucial role in maintaining the pH and electrolyte balance of the body by secreting hydrogen ions, ammonia, and potassium ions into the filtrate.
Statement (iii): Macula densa is formed by cellular modifications in the distal convoluted tubule and the afferent arteriole at their contact location.
This statement is correct. The macula densa is a specialized region in the distal convoluted tubule where it comes into contact with the afferent arteriole. It consists of modified cells that sense the composition of the filtrate and regulate the release of renin, an enzyme involved in blood pressure regulation.
Statement (iv): Atrial natriuretic factor (ANF) can cause vasoconstriction when blood flow is low to the atria of the heart.
This statement is incorrect. Atrial natriuretic factor (ANF) is a hormone released by the atria of the heart in response to increased blood volume and pressure. It acts to promote vasodilation, excretion of sodium and water, and inhibition of renin-angiotensin-aldosterone system, leading to a decrease in blood pressure.
Therefore, the correct statements are (ii) and (iii).
This statement is incorrect. Uremia refers to the accumulation of waste products, particularly urea, in the blood due to kidney dysfunction. Glucose in urine is known as glucosuria, which is a sign of diabetes or kidney damage.
Statement (ii): Distal convoluted tubule (DCT) selectively secretes hydrogen ions, ammonia, and potassium ions into the filtrate.
This statement is correct. The distal convoluted tubule is responsible for the selective reabsorption and secretion of various substances. It plays a crucial role in maintaining the pH and electrolyte balance of the body by secreting hydrogen ions, ammonia, and potassium ions into the filtrate.
Statement (iii): Macula densa is formed by cellular modifications in the distal convoluted tubule and the afferent arteriole at their contact location.
This statement is correct. The macula densa is a specialized region in the distal convoluted tubule where it comes into contact with the afferent arteriole. It consists of modified cells that sense the composition of the filtrate and regulate the release of renin, an enzyme involved in blood pressure regulation.
Statement (iv): Atrial natriuretic factor (ANF) can cause vasoconstriction when blood flow is low to the atria of the heart.
This statement is incorrect. Atrial natriuretic factor (ANF) is a hormone released by the atria of the heart in response to increased blood volume and pressure. It acts to promote vasodilation, excretion of sodium and water, and inhibition of renin-angiotensin-aldosterone system, leading to a decrease in blood pressure.
Therefore, the correct statements are (ii) and (iii).
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Read the given statements regarding human excretory system and select the correct ones.(i) Presence of glucose in urine is known as uremia.(ii) Distal convoluted tubule (DCT) selectively secretes hydrogen ions, ammonia and potassium ions anto the filtrate.(iii) Macula densa formed by cellular modifications in the distal convoluted tubule and the afferent arteriole at their contact location.(iv) Atrial natriuretic factor (ANF) can cause vasoconstriction when blood flow is low to the atria of the heart.a)(i) and (ii)b)(i) and (iii)c)(ii) and (iii)d)(iii) and (iv)Correct answer is option 'C'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Read the given statements regarding human excretory system and select the correct ones.(i) Presence of glucose in urine is known as uremia.(ii) Distal convoluted tubule (DCT) selectively secretes hydrogen ions, ammonia and potassium ions anto the filtrate.(iii) Macula densa formed by cellular modifications in the distal convoluted tubule and the afferent arteriole at their contact location.(iv) Atrial natriuretic factor (ANF) can cause vasoconstriction when blood flow is low to the atria of the heart.a)(i) and (ii)b)(i) and (iii)c)(ii) and (iii)d)(iii) and (iv)Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Read the given statements regarding human excretory system and select the correct ones.(i) Presence of glucose in urine is known as uremia.(ii) Distal convoluted tubule (DCT) selectively secretes hydrogen ions, ammonia and potassium ions anto the filtrate.(iii) Macula densa formed by cellular modifications in the distal convoluted tubule and the afferent arteriole at their contact location.(iv) Atrial natriuretic factor (ANF) can cause vasoconstriction when blood flow is low to the atria of the heart.a)(i) and (ii)b)(i) and (iii)c)(ii) and (iii)d)(iii) and (iv)Correct answer is option 'C'. Can you explain this answer?.
Read the given statements regarding human excretory system and select the correct ones.(i) Presence of glucose in urine is known as uremia.(ii) Distal convoluted tubule (DCT) selectively secretes hydrogen ions, ammonia and potassium ions anto the filtrate.(iii) Macula densa formed by cellular modifications in the distal convoluted tubule and the afferent arteriole at their contact location.(iv) Atrial natriuretic factor (ANF) can cause vasoconstriction when blood flow is low to the atria of the heart.a)(i) and (ii)b)(i) and (iii)c)(ii) and (iii)d)(iii) and (iv)Correct answer is option 'C'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Read the given statements regarding human excretory system and select the correct ones.(i) Presence of glucose in urine is known as uremia.(ii) Distal convoluted tubule (DCT) selectively secretes hydrogen ions, ammonia and potassium ions anto the filtrate.(iii) Macula densa formed by cellular modifications in the distal convoluted tubule and the afferent arteriole at their contact location.(iv) Atrial natriuretic factor (ANF) can cause vasoconstriction when blood flow is low to the atria of the heart.a)(i) and (ii)b)(i) and (iii)c)(ii) and (iii)d)(iii) and (iv)Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Read the given statements regarding human excretory system and select the correct ones.(i) Presence of glucose in urine is known as uremia.(ii) Distal convoluted tubule (DCT) selectively secretes hydrogen ions, ammonia and potassium ions anto the filtrate.(iii) Macula densa formed by cellular modifications in the distal convoluted tubule and the afferent arteriole at their contact location.(iv) Atrial natriuretic factor (ANF) can cause vasoconstriction when blood flow is low to the atria of the heart.a)(i) and (ii)b)(i) and (iii)c)(ii) and (iii)d)(iii) and (iv)Correct answer is option 'C'. Can you explain this answer?.
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ample number of questions to practice Read the given statements regarding human excretory system and select the correct ones.(i) Presence of glucose in urine is known as uremia.(ii) Distal convoluted tubule (DCT) selectively secretes hydrogen ions, ammonia and potassium ions anto the filtrate.(iii) Macula densa formed by cellular modifications in the distal convoluted tubule and the afferent arteriole at their contact location.(iv) Atrial natriuretic factor (ANF) can cause vasoconstriction when blood flow is low to the atria of the heart.a)(i) and (ii)b)(i) and (iii)c)(ii) and (iii)d)(iii) and (iv)Correct answer is option 'C'. Can you explain this answer? tests, examples and also practice NEET tests.
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