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24. Kidneys maintain the electrolyte balance in the body. The term electrolyte refers to:
A. carbonate-bicarbonate
B. urea-uric acid
C. acid-base
D. water-salt

25. Which of the following are possible treatments for benign prostatic hyperplasia?
A. transurethral resection of the prostate (TURP)
B. applying microwaves
C. surgical removal
D. drug treatment
E. All of the choices are correct.

26. The bone tissue that contains many large spaces filled with red marrow is called:
A. compact bone
B. medullary bone
C. hard bone
D. spongy bone

27. Where would you expect to find elastic cartilage?
A. nose
B. external ear
C. fingertips
D. wrist

28. The expanded region at the end of a long bone is known as the:
A. lacuna
B. diaphysis
C. osteon
D. epiphysis
E. medulla

29. Spongy bone is primarily located:
A. in the medulla of the long bone
B. in the diaphysis of the long bone
C. in the epiphysis of the long bone
D. only in flat bones
E. only in long bones

24. Kidneys maintain the electrolyte balance in the body. The term electrolyte refers to:
C. acid-base
"Electrolyte solutions are normally formed when a salt is placed into a solvent such as water and the individual components dissociate due to the thermodynamic interactions between solvent and solute molecules, in a process called solvation."

http://en.wikipedia.org/wiki/Electrolyte

25. Which of the following are possible treatments for benign prostatic hyperplasia?
E. All of the choices are correct.

http://en.wikipedia.org/wiki/Benign_prostatic_hyperplasia

26. The bone tissue that contains many large spaces filled with red marrow is called:
D. spongy bone

http://en.wikipedia.org/wiki/Red_marrow

27. Where would you expect to find elastic cartilage?
B. external ear

http://en.wikipedia.org/wiki/Elastic_cartilage

28. The expanded region at the end of a long bone is known as the:
D. epiphysis

http://en.wikipedia.org/wiki/Epiphysis

29. Spongy bone is primarily located:
C. in the epiphysis of the long bone

http://en.wikipedia.org/wiki/Epiphysis