Micro Test- 22 and 23

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The ability of a fungus to grow as a yeast or a mold depending on its environmental temperature is called
Dimorphism

The routes of entry for most fungi into the body are
Respiratory and cutaneous

Amphotericin B, nystatin, and the imidazoles are all
Antifungal drugs

All of the following are dimorphic, true fungal pathogens except
Candida

The terms used for the four levels of fungal infection include the following, except
Bloodborne

Characteristics of Histoplasma capsulatum include
It grows in moist soil, rich in nitrogen from bird and bat guano

The highest incidence of histoplasmosis in the United States occurs in the
East and Midwest

Which is incorrect about histoplasmosis?
Never spreads to sites outside the respiratory tract

All of the following pertain to coccidioidomycosis, except
The pathogen grows best in soil with bird and bat guano

Blastomyces dermatitidis
Causes Gilchrist disease and Chicago disease

Paracoccidioides is
Endemic to regions of Central and South America

Which is incorrect about Sporothrix schenckii?
Causes superficial cutaneous infection

Chromoblastomycosis
Is caused by sap robes with dark-pigmented mycelia and spores

Mycetoma is
A subcutaneous infection that looks like a tumor

Dermatophytoses are
A. fungal infections of the skin, hair, and nails.
B. also called ringworm.
C. also called tineas.
D. often time-consuming to eradicate completely.
E. All of the choices are correct.

Microsporum, Trichophyton, and Epidermophyton
Reservoirs are humans, animals, and soils.

All of the following pertain to Candida albicans, except
Has a large capsule

Candidiasis includes
A. Intertriginous infection of skin sites
B. Vulvovaginal infection
C. Oral cavity and esophageal infections
D. Skin and nail infections
E. All of the choices are correct

Cryptococcus neoformans has the following characteristics, except
Commonly found in the human mouth, intestines, and genitalia

Cryptococcosis can include
A. Pulmonary infection
B. Septicemia
C. Meningitis
D. Bone infection
E. All of the choices are correct

Oral thrush is caused by
Candida albicans

This opportunist is the most frequent cause of life-threatening pneumonia in AIDS patients:
Pneumocystis (carinii) jiroveci

Aspergillosis includes all the following, except
There are no effective drugs to treat the infection

Serious mycoses treated with amphotericin B include all the following, except
Pneumocystis pneumonia

Decaying vegetation, such as piles of leaves and compost matter, allows growth and transmission of
Aspergillus

This organism commonly contaminates grains, corn, and peanuts and produces a potent mycotoxin called
aflatoxin:
Aspergillus flavis

Pneumocystis (carinii) jiroveci
A. Has protozoan and fungal characteristics
B. Lacks ergosterol in its plasma membrane
C. Is an obligate parasite
D. Causes serious infection in elderly, premature infants, and AIDS patients
E. All of the choices are correct

Ergotism is caused by
Ingesting alkaloids from Claviceps purpurea on rye plants

Menthol and camphor (VicksTM) are effective treatments against
Ringworm

All of the following areas are subject to intertriginous infections, except
Chest

Which of the following is a rare mycosis caused by a mold commonly found in soil, in dairy products and on the human body?
Geotrichosis

All of the following are fungal allergies, except
Thrush

Which of the following is incorrect about Sporotrichosis?
It is also known as Valley Fever

The primary portal of entry for fungal infections is
The respiratory tract

Which antifungal drug inhibits cell division of the fungus?
Griseofulvin

Which of the following are likely to predispose patients to fungal infections?
A. Cancer
B. AIDS
C. Tuberculosis
D. malnutrition
E. All of the choices are correct

Alternative names for Blastomyces dermatitidis include
Gilchrist’s disease

Which is incorrect about chromoblastomycosis?
Treatment is with pentamidine

Entamoeba histolytica is acquired by
A. Ingestion of cysts of the pathogen
B. Contaminated food
C. Contaminated water
D. Sexual contact
E. All of the choices are correct

Amebiasis is a disease of the
Intestines and often the liver

Human asymptomic carriers are common in
Amebiasis and Trichomoniasis

Which of the following has four pairs of flagella?
Giardia lamblia

Which of the following is an apicomplexan parasite?
Toxoplasma gondii

Which of the following is a sexually transmitted disease?
Trichomonoiasis

Which of the following causes serious congenital disease from transplacental transmission?
Toxoplasmosis

Amebiasis symptoms include
Bloody, mucus-filled stools, fever, diarrhea, and weight loss

The symptoms that occur in cyclic 48 to 72 hour episodes in a malaria patient are
Chills, fever, and sweating

Most cases of toxoplasmosis in patients that are not immunocompromised have the following symptoms:
Sore throat, low grade fever, and swollen lymph nodes

Trichomonas vaginalis
A. Does not produce cysts
B. In males causes urethritis
C. In females causes vaginitis with a foul-smelling discharge D. Has four flagella and an undulating membrane
E. All of the choices are correct

Giardiasis involves
Symptoms of abdominal pain, flatulence, and diarrhea

African sleeping sickness is caused by
Trypanosoma brucei

Chagas disease involves transmission of the pathogen by the
Reduviid, “kissing bug”

The vector involved in African sleeping sickness is the
Tsetse fly

The large, fully formed developmental stage of a hemoflagellate is called the
Trypomastigote

Which is incorrect about malaria?
Merozoites enter and multiply in the liver cells

The parasitic disease, caused by an apicomplexan that involves infected cats in its life cycle is
Toxoplasmosis

Toxoplasmosis includes all the following, except
Intrauterine infectious are generally mild with very little damage to fetal tissues

Trichinosis includes all the following, except
A. Encysted larvae get ingested
B. Associated with undercooked pork or bear meat
C. Migrate from intestines to blood and various body tissues
D. The first symptoms are diarrhea, nausea, fever, and pain
E. All of the choices are correct

The form lacking a free flagellum in the developmental stage of a hemoflagellate is called the
Amastigote

All of the following will kill Giardia, except
Chlorine in typical drinking water

Which is not correct about trichinosis?
Only a few cases occur each year in the U.S

Pregnant women should never change cat litter due to the risk of contracting
Toxoplasmosis

We use cookies to give you the best experience possible. By continuing we’ll assume you’re on board with our cookie policy The ability of a fungus to grow as a yeast or a mold depending on its environmental temperature is …

We use cookies to give you the best experience possible. By continuing we’ll assume you’re on board with our cookie policy Which is incorrect about Mycoplasma pneumoniae: A. has birds as a reservoir B. common cause of primary atypical pneumonia …

We use cookies to give you the best experience possible. By continuing we’ll assume you’re on board with our cookie policy Microbiological contaminants are best described as any and all microbes present on or in a substance. Physical agents for …

We use cookies to give you the best experience possible. By continuing we’ll assume you’re on board with our cookie policy Which of these is NOT caused by herpesvirus? smallpox Newborns’ eyes are treated with an antibiotic always WE WILL …

We use cookies to give you the best experience possible. By continuing we’ll assume you’re on board with our cookie policy The patient is suffocating because of the accumulation of dead tissue and fibrin in her throat. What is the …

We use cookies to give you the best experience possible. By continuing we’ll assume you’re on board with our cookie policy d. all of these Which of the following is/ are a pyogenic coccus/cooci? a.Streptococcus c. Neisseria b.Staphylococcus d. all …

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