Mastering micro ch 12 hw when the bacteria away..fungi play

Which of the following statements best describes why the treatment for Tori's fungal infection may result in side effects to her own cells

Fungal cells and human cells have a nucleus, multiple organelles, and 80S ribosomes for protein synthesis.

Which of the following statements about algae is FALSE?

All are unicellular.

How do blastoconidia and chlamydoconidia produced by yeast differ from bacterial endospores?

Blastoconidia and chlamydoconidia are spore structures produced by budding in yeasts, whereas bacterial endospores are produced by bacteria under extreme conditions.

Tori, a 24-year-old graduate student, had been suffering from a respiratory infection for over a week. She went to the student health center, where the physician prescribed her a broad-spectrum antibiotic. By the end of her round of antibiotics, Tori was no longer suffering from respiratory complications, but she had noticed an increase in itchiness in her genital region. Within a few days, the itchiness was getting worse and was accompanied by a vaginal discharge that had a cheesy consistency and foul odor. Tori returned to the student health center to discuss her condition with the physician. A sample of her discharge was taken and sent to the laboratory for microscopy and plating. Based on the lab results, which organism is most likely causing Tori's new symptoms?

Candida albicans

Which of the following infections are also caused by C. albicans?

Oral thrush and fulminating disease

Which of the following best explains why Tori developed a new series of symptoms?

The antibiotics that treated Tori's primary respiratory infection also removed some of her normal bacterial flora, resulting in an overgrowth of other organisms.

In mid-December, a woman with insulin-dependent diabetes who had been on prednisone fell and received an abrasion on the dorsal side of her right hand. She was placed on penicillin. By the end of January, the ulcer had not healed, and she was referred to a plastic surgeon. On January 30, a swab of the wound was cultured at 35°C on blood agar. On the same day, a smear was made for Gram staining. The Gram stain showed large (10 µm) cells. Brownish, waxy colonies grew on the blood agar. Slide cultures set up on February 1 and incubated at 25°C showed septate hyphae and single conidia. The most likely cause of the infection is a

dimorphic fungus

Which of the following is the most effective control for malaria?

eliminate Anopheles mosquitoes

How do pseudohyphae in yeasts differ from vegetative hyphae in filamentous fungi?

Yeasts use pseudohyphae to invade host tissue, whereas filamentous fungi use their vegetative hyphae for obtaining nutrients.

Which of the following could Tori's physician choose as a treatment for her yeast infection?

a topical over-the-counter ointment, such as clotrimazole or miconazole a single oral dose of fluconazole

Which of the following is a nucleated, unicellular organism that, if you changed the incubation temperature, would form filaments with conidiospores?

ascomycete

Helminthic diseases are usually transmitted to humans by

gastrointestinal route

Below are paired items referring to the heartworm Dirofilaria immitis. Which of the pairs is mismatched?

mosquito — definitive host