In vertebrates, sympathetic nerves (e.g., those responsible for the fight-or-flight response) are part of the (select all correct choices):
A. autonomic (involuntary) nervous system.
B. peripheral nervous system (PNS).
C. central nervous system (CNS).
A,B
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The organization of afferent information in the spinal cord is arranged based on which of the following?
a. Sensory modality b. Somatotopic c. Medial-lateral rule d. Proximal to distal
Fill in the blanks to complete the following statements. ?
The presence of microorganisms with a tissue reaction is _______________.? Fill in the blank(s) with correct word
What system uses a hierarchical model for classification?
What will be an ideal response?
Free radicals contain unpaired electrons in their outermost energy shell, so they react readily with other atoms or molecules to reach a more stable state. Which of the following could potentially be a free radical?
A) Magnesium (atomic number 12 ) B) Neon (atomic number 10 ) C) Helium (atomic number 2 ) D) Fluorine (atomic number 9 )