Why are chlorine ions important?
A) Chlorine ions are a major component of bone tissues.
B) Chlorine ions are involved in the production of stomach acids.
C) Chlorine ions are critical for hematopoiesis.
D) Chlorine ions are a major component of collagen fibers.
Answer: B
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Which choice correctly orders the connective tissue wrappings of a nerve, beginning at the outermost layer?
A. Perineurium ® epineurium ® endoneurium B. Perineurium ® endoneurium ® epineurium C. Epineurium ® perineurium ® endoneurium D. Epineurium ® endoneurium ® perineurium E. Endoneurium ® perineurium ® epineurium
Adaptive significance is an important concept in physiology because it describes
A) the importance of a highly variable external environment. B) the parameters necessary to maintain a constant internal environment. C) the physiological functions that promote an organism's survival. D) the similarities between ancient and modern marine organisms. E) the ability of an organism to monitor and restore its internal state to normal conditions when necessary.
Also called "kennel cough," infectious ________________________________________ is an upper respiratory infection that produces a severe hacking cough
Fill in the blank(s) with correct word
When large quantities of blood are lost, erythrocytes must be replaced to restore
A. thrombin levels. B. the body's ability to fight infection. C. oxygen-carrying capacity. D. iron levels. E. normal blood pH.