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

Answer and Explanation

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

Quiz #1: RN Exams Pharmacology Exams Quiz #2: RN Exams Medical-Surgical Exams Quiz #3: RN Exams Fundamentals Exams Quiz #4: RN Exams Maternal-Newborn Exams Quiz #5: RN Exams Anatomy and Physiology Exams Quiz #6: RN Exams Obstetrics and Pediatrics Exams Quiz #7: RN Exams Fluid and Electrolytes Exams Quiz #8: RN Exams Community Health Exams Quiz #9: RN Exams Promoting Health across the lifespan Exams Quiz #10: RN Exams Multidimensional care Exams

Get 100+ Naxlex Exit Exams for $79 Try Naxlex NCLEX-RN (14 Day Free-Trial)

Naxlex Comprehensive Predictor Exams

Quiz #1: Naxlex RN Comprehensive online practice 2019 B with NGN Quiz #2: Naxlex RN Comprehensive Predictor 2023 Quiz #3: Naxlex RN Comprehensive Predictor 2023 Exit Exam A Quiz #4: Naxlex HESI Exit LPN Exam Quiz #5: Naxlex PN Comprehensive Predictor PN 2020 Quiz #6: Naxlex VATI PN Comprehensive Predictor 2020 Quiz #8: Naxlex PN Comprehensive Predictor 2023 - Exam 1 Quiz #10: Naxlex HESI PN Exit exam Quiz #11: Naxlex HESI PN EXIT Exam 2

Free Nursing Study Resources

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.

A. Green leafy vegetables B. Sunlight C. Exercise D. Foods high in tyramine

Correct Answer is B

Explanation

A.Green leafy vegetables:

There is no specific recommendation to avoid green leafy vegetables while taking tetracycline. However, it’s generally advisable to take tetracycline on an empty stomach, as certain foods and supplements containing calcium, magnesium, aluminum, iron, or zinc can interfere with the absorption of tetracycline if consumed concurrently. Green leafy vegetables are not typically high in these minerals, so there is no need to avoid them specifically.

B. Sunlight:

Tetracycline antibiotics, including Sumycin, can increase the skin’s sensitivity to sunlight and UV radiation, leading to an increased risk of sunburn and photosensitivity reactions. Therefore, clients taking tetracycline should be advised to minimize sun exposure, wear protective clothing, and use sunscreen with a high sun protection factor (SPF) to reduce the risk of sunburn and skin damage.

C. Exercise:

There is no specific contraindication to exercise while taking tetracycline. In fact, regular exercise can promote overall health and well-being. However, it’s essential for clients to listen to their bodies and avoid strenuous exercise if they experience any adverse effects or symptoms while taking tetracycline or any other medication.

D. Foods high in tyramine:

Tetracycline antibiotics do not interact with tyramine-containing foods in the same way as certain other classes of antibiotics, such as monoamine oxidase inhibitors (MAOIs). Therefore, there is no specific need to avoid foods high in tyramine while taking tetracycline, as tyramine-related interactions are not typically associated with tetracycline use.

View Question and Answer

Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.

Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today

The term "virulence" refers to:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

When reviewing Ms. Robertson's culture and sensitivity test results, the nurse learns that the bacteria causing Ms. Robertson's infection are sensitive to penicillin. The nurse interprets this result to mean:

Correct Answer is A

Explanation

The nurse is instructing a client who has been prescribed tetracycline (Sumycin). What should the nurse advise this client to avoid while taking this medication?

Correct Answer is B

Explanation

When beginning herbal products, the nurse understands that the best way to identify allergic or other adverse reactions is to have the client:

The patient is to be started on warfarin (Coumadin) therapy. It is important for the nurse to check for the use of which herbs? (Select All that Apply)

Which of the following common habit of patients may cause microbes to re-populate and re-establish an infection?

Which of the following can be determined using culture and sensitivity tests?

A patient at a rehabilitation center is prescribed erythromycin. The nurse is reviewing the patient's medication list, checking to see if there are medications that should not be taken with this antibiotic. One medication is found. What medication should not be taken with erythromycin?

Which class of antibiotic is associated with cartilage toxicity and rupture of the Achilles tendon?