When the dentist gives you a shot of anesthetic before drilling into one of your teeth, she is numbing a facial nerve, which is a:
A. cranial nerve; part of the peripheral
nervous system.
B. cranial nerve; part of the central nervous
system.
C. spinal nerve; part of the peripheral nervous
system.
D. spinal nerve; part of the central nervous
system.
E. None of the above are correct.
A
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Which one of the following statements about virus classification is not correct?
A. Viruses are classified based on whether their genetic material is double-stranded DNA or RNA. B. Viruses are classified based on whether their genetic material is partially doublestranded or partially single-stranded. C. Viruses are classified based on whether the single-stranded DNA or RNA that serves as their genetic material has a positive or negative sense. D. All of the answer options are correct.
One of the following contains the highest number of pathogens
A. Chemoheterotroph B. Photoautotroph C. Chemoautotroph D. Photoheterotroph
Which of the following does not transmit the AIDS virus?
A. Vaginal secretions B. Semen C. Blood D. Mosquitoes
These are sometimes referred to as rough or smooth depending on the structure
a. Golgi bodies b. ribosomes c. mitochondria d. lysosomes e. endoplasmic reticula