The term "virulence" refers to:
substance that can inhibit the growth of bacteria
permanent, inheritable changes to DNA
when a microbe is no longer affected by a drug following treatment with anti-infectives
the severity of disease that an organism is able to cause
The Correct Answer is D
A. Substance that can inhibit the growth of bacteria:
This definition is incorrect. The term "virulence" does not refer to a substance that inhibits bacterial growth. Instead, it pertains to the ability of a microorganism to cause disease.
B. Permanent, inheritable changes to DNA:
This definition is incorrect. Permanent, inheritable changes to DNA are typically referred to as mutations. While mutations can impact the characteristics of microorganisms, the term "virulence" specifically relates to disease-causing ability rather than genetic changes.
C. When a microbe is no longer affected by a drug following treatment with anti-infectives:
This definition is incorrect. The phenomenon described here is known as drug resistance or antimicrobial resistance. It refers to the ability of microorganisms to survive and multiply in the presence of antimicrobial agents, rendering the drugs ineffective.
D. The severity of disease that an organism is able to cause:
This definition is correct. Virulence refers to the degree or severity of disease that an organism, such as a bacterium or virus, is capable of causing. Microorganisms with high virulence can cause severe illness or death in infected hosts, while those with low virulence may cause milder symptoms or no symptoms at all.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Penicillin will be effective in treating the infection:
This interpretation is correct. When the culture and sensitivity test results show that the bacteria causing the infection are sensitive to penicillin, it means that penicillin will effectively inhibit the growth of these bacteria, leading to the resolution of the infection. This sensitivity indicates that penicillin is an appropriate and effective choice for treating the infection.
B. Penicillin will not be effective in treating the infection:
This interpretation is incorrect. If the bacteria are sensitive to penicillin, it means that penicillin will be effective in treating the infection. Sensitivity to penicillin indicates that the bacteria are susceptible to the antimicrobial activity of penicillin, and therefore, penicillin is expected to be effective in eradicating the infection.
C. The test must be repeated to obtain accurate results:
This interpretation is not warranted based on the information provided. If the culture and sensitivity test results indicate that the bacteria causing the infection are sensitive to penicillin, there is no need to repeat the test for accuracy. Sensitivity testing provides valuable information about the susceptibility of bacteria to specific antibiotics, helping healthcare providers make informed decisions about appropriate treatment.
D. Ms. Robertson is allergic to penicillin:
This interpretation is unrelated to the information provided in the scenario. The culture and sensitivity test results indicate the susceptibility of bacteria to penicillin, not whether the patient has an allergy to penicillin. Allergy testing is a separate diagnostic process used to determine if a patient is allergic to penicillin or other medications. Sensitivity testing does not provide information about the patient's allergy status.
Correct Answer is ["A","B","D"]
Explanation
A.Recognizing the role of spirituality in health and healing:
Many CAM therapies acknowledge the importance of spirituality in health and healing. Spiritual well-being is considered an integral aspect of overall health in many CAM modalities. Practices such as meditation, yoga, and mindfulness often incorporate spiritual elements. Therefore, recognizing the role of spirituality in health and healing is a common characteristic of CAM therapies.
B. Focusing on treatment of the person as an individual:
One of the key principles of CAM therapies is treating the individual as a whole, taking into account physical, mental, emotional, and spiritual aspects of health. CAM practitioners often emphasize personalized care tailored to the unique needs and characteristics of each individual. Therefore, focusing on the treatment of the person as an individual is a common characteristic of CAM therapies.
C. Focusing only on physical health:
This statement is incorrect. Unlike conventional Western medicine, which primarily focuses on the physical aspects of health and disease, CAM therapies often take a holistic approach that considers the interconnectedness of the mind, body, and spirit. Therefore, CAM therapies typically address physical, mental, emotional, and spiritual aspects of health, rather than focusing solely on physical health.
D.Promotion of disease prevention, self-care, and self-healing:
Many CAM therapies emphasize the importance of disease prevention, self-care practices, and the body’s innate ability to heal itself. These therapies often encourage individuals to take an active role in maintaining their health and well-being through lifestyle modifications, stress management techniques, dietary changes, and other self-care practices. Therefore, promotion of disease prevention, self-care, and self-healing is a common characteristic of CAM therapies.
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