SF- Microbiology

Which of the following best explains why a patient who has been diagnosed with Rocky Mountain spotted fever (RMSF) is not considered to be a carrier of a contagious disease?

RMSF is transmitted through arthropod vectors and cannot be transmitted from human to human.

Humans, animals, dirty glasses, used needles, contaminated soil, and water are all examples of which of the following?

Reservoirs of infection

Which of the following is one of the most widespread hospital pathogens, is the most common cause of pneumonia, is a common cause of septicemia, and is often resistant to common antibiotics?

Staphylococcus aureus

How are helminths typically identified in patients?

Stool sample

Resistance is the ability to ward off disease. What is a lack of resistance to ward off diseases called?

Susceptibility

Treponema pallidum is the "most famous" spirochete because of its well-traveled history. Which of the following does it cause?

Syphilis

Which virus can lie dormant in the human body and reactivate later in life as shingles?

Herpes varicella-zoster

Which statement explains why botulism presents a challenge in infection control and prevention?

It is caused by a type of bacteria that forms spores that can withstand harsh environmental conditions.

Liz traveled to Africa without taking the proper medical precautions before leaving. While there, she slept without a mosquito net. Liz contracted the Plasmodium malaria and became sick. Identify the mosquito's role in Liz's illness.

It was a vector.

Zoonosis is when an animal disease is transmissible to humans. Which of the following is an example of this?

Malaria

What is the causative organism of malaria?

Plasmodium

Which bacteria are classified as curved rods? Select all that apply.

Vibrio Spirillum Spirochete

A 5-year-old patient was brought into a doctor's office with complaints of a sore throat and fever. The diagnosis was strep throat. Which would be prescribed?

An Antibiotic

Hookworms feed on the blood of the host, causing which of the following? Select all that apply.

Anemia, Fatigue, Diarrhea

Typhoid fever is caused by Salmonella typhi bacteria. It is possible to be a carrier of this disease while never feeling sick yourself. If you are found to be a carrier of this disease, what is the course of treatment to prevent the spread of Typhoid fever?

A cholecystectomy

Select all that apply to the term pathogen.

A fungi can be a type of pathogen. A virus can be a type of pathogen. A pathogen is a disease-producing microorganism.

A fly lands on some cattle feces at a farm and then lands on an apple at a roadside fruit stand. The apple is purchased and eaten right away (without being washed prior to eating). What is the role of the fly in this scenario?

A mechanical vector

A patient came to the emergency department at the local hospital for treatment for a dog bite and was diagnosed with the rabies virus. How did the pathogen enter the patient's body?

A parenteral route

Why doesn't taking penicillin for a viral infection work?

A virus does not have a cell wall

Tetanus, diphtheria, and tuberculosis are caused by which of the following?

Bacillus bacteria

Dentists often prescribe antibiotics to treat infections that affect the teeth. This can cause a condition in female patients known as candidiasis. How does this happen? Select all that apply.

Candidiasis is a superinfection. The antibiotic can cause an imbalance in the normal flora.

Select all of the main types of protozoa in the following list of options.

Ciliates, Sporozoa Amoebas Flagellates

Select all of the main types of protozoa in the following list of options

Ciliates, Sporozoa, Amoebas, Flagellates

Which organism can cause deadly food poisoning and withstand several hours of exposure to boiling water because of its ability to form spores?

Clostridium botulinum

Gonorrhea, meningitis, and pneumonia are all caused by which of the following?

Cocci bacteria

A mother took her three sick children to the doctor because they all seemed to have a respiratory infection. Two of the children were prescribed a second prescription of antibiotics. The doctor asked if the mother had also been feeling sick. She had not. After a nasal swab (on the mother), the results were positive for Staphylococcus aureus. What term best describes the mother's condition?

Colonization

Select all that apply to human papillomavirus (HPV).

HPV causes genital warts HPV is transmitted sexually

Which organism causes gastritis (inflammation of the stomach) and ulceration of the stomach and duodenum?

Helicobacter pylori

Which is the most common cause of a nosocomial infection?

Escherichia coli

Which of the following would be classified as microorganisms? Select all that apply.

Fungi, Viruses, Bacteria, Protozoa

What is the term for the amount of time it takes for a person to be exposed to a microorganism before symptoms develop?

Incubation period

After trying a few home remedies for itching and scratching of the perianal area with no relief, parents bring their toddler to the doctor's office. Based on this information, what types of tests might the doctor order?

Microscopic examination of a stool sample

Rickettsia and chlamydia must live and reproduce in a living host. Which of the following best describes them?

Parasites

A patient came to a clinic with complications from a cut received while hiking at a local park. Which best describes the portal of entry?

Parenteral route

Eating poorly cooked, contaminated food such as beef, fish, and pork may result in an infestation of which of the following?

Tapeworms

A 27-year-old female patient was treated for strep throat. She was prescribed antibiotics. Ten days later, the patient was back at the doctor's office with a yeast infection. How did this happen?

The antibiotic prescribed killed the bacteria that live in the vagina as normal flora.

Which best describes the term infection?

The result of a microorganism entering the body and causing disease

Today, nosocomial infections are predominantly transmitted by health professionals because of which of the following causes?

They do not wash their hands between patients.

What is the portal of exit for the Salmonella organism in a person with typhoid fever?

Through the gastrointestinal route

Mycotic infections tend to be localized. Which of the following is an example of a mycotic infection?

Thrush

Helminths are parasitic worms that are classified as which two of the following?

flatworms & Roundworms

How are bacteria classified?

shape