21. Principles of Disease

The process by which microorganisms attach themselves to cells is :

a. Infection

b. Contamination

c. Disease

d. Adhesion

What BSL would an airborne pathogen that causes potentially deadly, but treatable, disease be placed into? Explain your answer.

Mark each statement as true or false. Rewrite the false statements to make them true by changing the underlined word(s).

__________ Examination of stool samples can reveal the presence of Naegleria parasites.

Determine if the diseases below are communicable or noncommunicable diseases.

A. Communicable Disease. B.  Noncommunicable Disease.
_____ 1) Lung Cancer.            _____ 3) HIV.                         _____  5) Diabetes.
_____ 2) Measles.                   _____ 4) Stroke.                    _____ 6) Covid-19.

A frantic mother comes into your clinic because her two-year-old child has had a very high fever for two days now, with mild diarrhea and coldlike symptoms. As you consider the differential list, which is the most likely causative agent if the fever breaks and is replaced with a rash by tomorrow?

a. Human parvovirus B19

b. Hand, foot, and mouth disease

c. Roseola

d. Rubella

e. Measles

Of the following fungal diseases, which is found in almost all terminal AIDS patients?

a. Chromoblastomycosis

b. Blastomycosis

c. Candidiasis

d. Mycetoma

Factors that contribute to vulvovaginal candidiasis include:

a. Low vaginal pH

b. High nitrates in urine

c. Increased blood bilirubin levels

d. Increased estrogen levels

e. Taking a fluconazole drug

Mark each statement as true or false. Rewrite the false statements to make them true by changing the underlined word(s).

__________ The number of cases of schistosomiasis has increased worldwide because of improved technology and economic stability in endemic areas.

The most frequent portal of entry for pathogens is:

a. The respiratory tract

b. The skin

c. The conjunctiva

d. A cut or wound

Use the following choices to answer the question given below:

a. Ehrlichiosis

b. Lyme disease

c. Septic shock

d. Toxoplasmosis

e. Viral hemorrhagic fever

A patient was hospitalized because of continuing fever and progression of symptoms including headache, fatigue, and back pain. Tests for antibodies to B. burgdorferi were negative. What is your diagnosis?

What was the difference in the effects of variola major and variola minor?

A horror movie portrays victims of biological warfare with uncontrolled bleeding from the eyes, mouth, nose, ears, and anus. What actual virus causes these symptoms?

a. Ebola virus

b. Bunyavirus

c. Hantavirus

d. Human immunodeficiency virus

Contrast the terms infection and morbidity.

Diseases or infections that can be transmitted from one individuals to another are categorized as what types of diseases?