4. Which of the following statements about reflexes and pain is true? A. Reflex signals pass through the spinal cord only, not the brain, and produce a physical response of movement away from the pain.
B. The perception of pain signal is transmitted to the somatosensory cortex of
the brain and does not produce an involuntary physical response.
C. A reflex response occurs more slowly than the perception of pain.
D. Choices A and B are both true.

The lake of the ozarks is a human-made lake, so it collects runoff from coal strip-mining, fertilizers, resort wastewaters, and septic drainages. the average lake temperature is between 10∘c and 21∘c. consider the physical requirements for growth and multiplication that would allow fecal coliforms to “blossom” in the lake of the ozarks. which of the following would accurately describe these organisms? check all that apply. psychrophiles facultative halophiles extremophiles mesophiles hyperthermophiles