Which pH is closest to normal blood pH?
A) pH 7
B) pH 8
C) pH 4
D) pH 3
E) pH 2
Answer: A
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When placed in a solution, HNO3 dissociates into H+ and NO3-. The compound HNO3 must be a(n) ________.
A. electron. B. acid. C. base. D. nucleotide.
Match the following:
A) Spiral organ (of Corti) B) Vestibule C) Cochlear duct D) Tympanic membrane 1) Houses the spiral organ (of Corti.) 2) The receptor organ for hearing. 3) The central part of the bony labyrinth. 4) A membrane that transmits sound vibrations to the auditory ossicles.
Mucosal associated lymphatic tissues (MALT) are
A. clusters of splenocytes located in the lamina propria of mucous membranes. B. aggregates of macrophages located in the intestines. C. clumps of mucous lining the lumen of the gastrointestinal tract. D. aggregates of lymphatic tissue scattered throughout the lamina propria of mucous membranes.
The heart
A. is a four-chambered muscular pump. B. is posterior to the trachea. C. is lined with an epithelial layer called epicardium. D. lies mostly to the right of the midline of the sternum. E. has a superior apex and an inferior base.