From a clinical perspective, aseptic technique is carried out to do which of the following?
A) clean fomites
B) contaminate fomites
C) introduce contamination in living tissue
D) prevent contamination in living tissue
Ans: D) prevent contamination in living tissue
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The method of using RFLPs to identify bacterial or viral pathogens is called
A. proteomics. B. DNA fingerprinting. C. genetic screening. D. DNA sequencing.
Which of the following can be determined using simple stains?
A) the number and position of flagella B) size and shape C) size, shape and cellular arrangement D) the presence of capsules E) the presence of endospores
Which particle is described incorrectly?
A) Electron: Found in shells orbiting the nucleus B) Proton: Found in shells orbiting the nucleus C) Electron: Negatively charged and negligible mass D) Proton: Positively charged and 1 atomic mass unit E) Neutron: Found in the nucleus and 1 atomic mass unit
Genetic studies have found that Charcot-Marie-Tooth may be caused by a mutation in the gene Mitofusin-2 (MFN2), which causes mitochondria to form large clumps. In what area of a neuron are these clumps most likely to cause a problem?
Charcot-Marie-Tooth is the most commonly inherited peripheral neuropathy, and has no known cure. Patients suffer damage to motor and sensory neurons, leading to degeneration of muscles and gradual loss of motor control. A. axon B. synapse C. soma D. dendrite E. myelin Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content/Choose Answer · What do you already know about components of the nervous system? What other information is related to the question? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?