What mechanism is the most powerful and long-lasting in maintaining proper pH balance?
A. Blood buffers
B. Renal reabsorption and/or secretion
C. Respiration
Answer: B
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What is the difference between cell movements in response to outside forces and cell-generated movements (in response to specific cell activity)? (Hint: Do red blood cells move because of RBC activity? What causes cell movements associated with cytokinesis?) Using the index of your text to guide you to relevant sections in other chapters (look up entries for the various cytoskeletal proteins),
explain the different types of movements that cells generate. What will be an ideal response?
What is an agent called that is effective against gram-positive and gram-negative bacteria?
A) broad spectrum B) bacteriostatic C) bacteriocidal D) antiviral
What is the major function of the intervertebral discs?
A) absorb shock B) string the vertebrae together C) prevent injuries D) prevent hyperextension
An animal that bears live young is said to be:
A) lively B) oviparous C) viviparous D) vivisection