Proper functioning of the human kidney requires considerable active transport of sodium in the kidney tubules. If these active transport mechanisms were to stop completely, how would urine production be affected?

A. No urine would be produced.
B. A lower-than-normal volume of urine which was less concentrated than the blood (hypotonic) would be produced.
C. A lower-than-normal volume of urine which was more concentrated than the blood (hypertonic) would be produced.
D. A greater-than-normal volume of urine equal in concentration to the blood (isotonic) would be produced.
E. A greater-than-normal volume of urine that was more concentrated than the blood (hypertonic) would be produced.


D. A greater-than-normal volume of urine equal in concentration to the blood (isotonic) would be produced.

Biology & Microbiology

You might also like to view...

Why do sharks produce fewer young in a breeding season? a. Long migrations to breeding grounds

b. Inefficient use of energy. c. Efficient reproductive strategies. d. Sharks rear their young.

Biology & Microbiology

What term describes a relationship in which two species have a prolonged close association?

a. symbiosis b. commensalism c. mutualism d. predation e. parasitism

Biology & Microbiology

While looking for evidence of early human or humanlike individuals, you discover a cave in which

there are paintings, engravings, and sculptures. Which of the following most likely lived in the cave at some time during their life? a. Australopithecus africanus b. Neandertals c. Homo erectus d. Cro-Magnons e. Homo habilis

Biology & Microbiology

In some arthropods tagmatization has produced a combination of head and thorax known as a

A. larval instar. B. thoracotomy. C. cephalothorax. D. headless mite. E. fused corpora.

Biology & Microbiology