FREE AND STUDY GAMES ABOUT MICRO CHAPTER 11 KC

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FREE AND STUDY GAMES ABOUT MICRO CHAPTER 11 KC

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -52 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: 16. The effect of "good" microbes against invading microbes is called

_______.

Answer:

Microbial antagonism Question 2: 10. A teacher walking through her first-grade classroom pauses to pick up a used tissue that had ended up on the floor instead of in the waste basket. Unfortunately, after discarding the tissue, she doesn't immediately wash her hands, and acquires a strain of rhinovirus. Several days later she begins to experience symptoms of a cold. Based upon this scenario, please select the mode of disease transmission demonstrated here.

Answer:

Indirect contact transmission

Question 3: 34. Resident biota are found in/on the ________.

Answer:

Skin, gastrointestinal tract, respiratory tract, urogenital tract.

Question 4: 40. An infectious agent that originates from outside the body is called _______.

Answer:

Exogenous

Question 5: 36. Opportunistic pathogens _______.

Answer:

Cause disease when the host's defenses are compromised.Question 6: 14. When does the human body typically begins to be colonized by its normal biota

_______.

Answer:

During and immediately after birth.Question 7: 2. Nowadays, HIV infection is considered a chronic disease, rather than the death sentence it was when it first emerged in the 1980s. Educational strategies to limit transmission, coupled with advances in treatment, means that compared to 1985, _______.

Answer:

The prevalence of HIV has increased, but the mortality rate has decreased due to effective treatments.

Question 8: 20. Mixed infection

Answer:

An infection caused by two or more different pathogens.Question 9: 3. 0.034% of the population showed evidence of a particular respiratory infection.What term is illustrated by this statistic.

Answer:

Prevalence Question 10: 45. The time from when pathogen first enters the body and begins to multiply, until symptoms first appear is the _______.

Answer:

Incubation period

Question 11: 46. The stage of an infectious disease when specific signs and symptoms are seen and the pathogen is at peak activity is the _______.

Answer:

Acute phase

Question 12: 19. Secondary infection -

Answer:

An infection that occurs during or after treatment for another infection.Question 13: 48. The subjective evidence of disease sensed by the patient is termed a(n)

_______.

Answer:

Symptom Question 14: 13. Endogenous infectious agents arise from microbes that are _______.

Answer:

Already present in or on the body.Question 15: 30. Because SARS-CoV-2 likely originated in bats and then became transmissible to humans, COVID-19 is considered a(n) _______ infection.

Answer:

Zoonotic

Question 16: 8. How does Tooth decay develop?

Answer:

Tooth decay develops from the accumulation of dental plaque, which harbors bacteria that produce acids that erode tooth enamel.Question 17: 4. If there were 7.5 new cases of pertussis per 100,000 susceptible individuals in the United States, what term that is illustrated by this statistic.

Answer:

Incidence

Question 18: 17. What is an antiphagocytic factor?

Answer:

A characteristic of some pathogens that helps them evade phagocytosis by the host's immune cells.

Question 19: 24. When would Koch's postulates be utilized?

Answer:

To determine the causative agent of a particular disease.Question 20: 26. The virus that causes rabies, and the rhinovirus that causes the common cold are both considered true pathogens; the degree of pathogenicity is determined by their _______.

Answer:

Virulence factors

Question 21: 21. Acute infection

Answer:

An infection characterized by rapid onset and short duration.

Question 22: 47. The suffix - emia means _______.

Answer:

Presence in the blood (e.g., bacteremia, viremia).Question 23: 9. Describe the benefits of microbial antagonism to the human host.

Answer:

Microbial antagonism helps protect the host by competing with pathogenic microbes for nutrients and space, producing substances harmful to pathogens, and stimulating the immune system.

Question 24: 35. Normal biota includes each of the following except ________.

Answer:

Viruses (while viruses can be present, they are not typically considered part of the normal biota).

Question 25: 38. What factors weakens host defenses against infections?

Answer:

Age, chronic disease, malnutrition, stress, immunosuppression.