Patho - T2b Test1
Huma's first patho test.
Questions and Answers
- 1.
Which of the following defines pathology?
- A.
It is cause and effect
- B.
It is a medical procedure
- C.
It is the science of disease
- D.
It is the applied science of medicine
Correct Answer
C. It is the science of diseaseExplanation
Pathology is the branch of medical science that deals with the study of diseases, their causes, mechanisms, and effects on the body. It involves the examination of body tissues and fluids to diagnose diseases and understand their nature. This field helps in understanding the underlying mechanisms of diseases and plays a crucial role in the diagnosis and treatment of various medical conditions.Rate this question:
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- 2.
Which term is defined as the sequence of cellular and tissue events that takes place at initial contact with a causative agent until the disease is expressed?
- A.
Etiology
- B.
Sequelae
- C.
Pathogenesis
- D.
Manifestation
Correct Answer
C. PathogenesisExplanation
Pathogenesis is the correct answer because it refers to the sequence of cellular and tissue events that occur from the initial contact with a causative agent until the disease is fully expressed. It involves the study of how the causative agent interacts with the host's cells and tissues, leading to the development and progression of the disease. Etiology refers to the study of the causes of a disease, sequelae refers to the long-term effects or complications of a disease, and manifestation refers to the signs and symptoms that are present during the course of the disease.Rate this question:
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- 3.
Which of the following statements concerning rubeola is TRUE?
- A.
Rubeola is a form of skin cancer
- B.
Rubeola is treated with light, reflexive manipulations
- C.
Rubeola is the same disease as Rubella as they are both caused by myxovirus
- D.
Rubeola appears as a rash that starts from the face and moves to the extremities
Correct Answer
D. Rubeola appears as a rash that starts from the face and moves to the extremitiesExplanation
Rubeola appears as a rash that starts from the face and moves to the extremities. This statement is true because rubeola, also known as measles, is a highly contagious viral infection that causes a characteristic rash. The rash typically begins on the face and then spreads to other parts of the body, including the extremities. Other symptoms of rubeola include fever, cough, runny nose, and red, watery eyes. It is important to note that rubeola is not a form of skin cancer and is not treated with light or reflexive manipulations. Additionally, rubeola and rubella are two distinct diseases caused by different viruses.Rate this question:
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- 4.
Which one of the following describes the appearance of varicella?
- A.
Koplik spots surrounded by a bright halo
- B.
Raise red vesicles that later dry out and crust over
- C.
Grouped vesicles that follow a dermatomal pattern
- D.
Condylomata acuminatum found on the soles of the feet
Correct Answer
B. Raise red vesicles that later dry out and crust overExplanation
The correct answer is "Raise red vesicles that later dry out and crust over." This description accurately represents the appearance of varicella, also known as chickenpox. Varicella is characterized by the development of red vesicles (blisters) on the skin, which later dry out and form crusts. This presentation is typical of the varicella virus infection.Rate this question:
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- 5.
Which one of the following skin diseases is a latent virus that travels along a sensory nerve and causes severe pain along the nerve's distribution?
- A.
Rubella
- B.
Uticaria
- C.
Myxovirus
- D.
Herpes Zoster
Correct Answer
D. Herpes ZosterExplanation
Herpes Zoster is a skin disease caused by the varicella-zoster virus, which is the same virus that causes chickenpox. After a person recovers from chickenpox, the virus remains dormant in the nerve cells near the spinal cord. However, it can reactivate later in life, traveling along a sensory nerve and causing severe pain along the nerve's distribution. This condition is commonly known as shingles. Rubella is caused by a different virus and does not cause severe pain along the nerve's distribution. Urticaria is a skin condition characterized by hives, and Myxovirus is a general term for a group of viruses that includes influenza.Rate this question:
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- 6.
Which one of the following statements regarding infectious disesase is FALSE?
- A.
It is normal for certain fungus to live in humans
- B.
Humans and microorganisms have beneficial contact
- C.
It is normal and healthy for parasites to live in the human intestine
- D.
Competition between fungi and bacteria for the same food souce keep the populations under control in the human intestine.
Correct Answer
C. It is normal and healthy for parasites to live in the human intestineExplanation
The statement that it is normal and healthy for parasites to live in the human intestine is incorrect. Parasites are organisms that live off of a host organism and can cause harm or disease. While it is true that certain fungi can live in humans and that humans and microorganisms can have beneficial contact, parasites are generally considered harmful and not a normal part of a healthy human intestinal ecosystem.Rate this question:
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- 7.
Which one of the following terms describes the presence of normal, harmless inhabitance of bacteria in humans?
- A.
Host
- B.
Infection
- C.
Microflora
- D.
Colonization
Correct Answer
C. MicrofloraExplanation
Microflora refers to the presence of normal, harmless bacteria that naturally reside in the human body. These bacteria can be found in various parts of the body, such as the skin, mouth, gastrointestinal tract, and reproductive organs. They play a crucial role in maintaining the balance of the body's ecosystem and can provide benefits such as aiding in digestion and protecting against harmful pathogens. Therefore, microflora accurately describes the presence of normal, harmless inhabitance of bacteria in humans.Rate this question:
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- 8.
Which one of te following terms describes microbial infection when only the infecting organism is benefiting from the relationship?
- A.
Microflora
- B.
Parasitic flora
- C.
Mutualistic flora
- D.
Commensal flora
Correct Answer
B. Parasitic floraExplanation
Parasitic flora refers to a type of microbial infection where only the infecting organism benefits from the relationship. In this type of infection, the infecting organism lives off the host organism, causing harm and deriving nutrients at the expense of the host. This relationship is parasitic because it is one-sided, with the infecting organism benefiting while the host suffers.Rate this question:
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- 9.
Which one of the following terms describes microbial infection when both the host and the infecting organism benefit from the relationship?
- A.
Microflora
- B.
Parasitic flora
- C.
Mutualistic flora
- D.
Commensal flora
Correct Answer
C. Mutualistic floraExplanation
Mutualistic flora refers to a type of microbial infection where both the host and the infecting organism benefit from the relationship. In this type of relationship, the host provides a suitable environment and resources for the infecting organism, while the infecting organism provides certain benefits to the host, such as aiding in digestion or providing protection against harmful pathogens. This symbiotic relationship is mutually beneficial for both parties involved.Rate this question:
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- 10.
Which one of the following statements describes virulence?
- A.
The ability of a human tissue to support microbial growth
- B.
Disease producing potential of the invading microorganism
- C.
Free living organisms that digest decaying organic material
- D.
A pathological infection resulting from a weakened immune state
Correct Answer
B. Disease producing potential of the invading microorganismExplanation
Virulence refers to the disease-producing potential of the invading microorganism. It describes the ability of a microorganism to cause disease in a host organism. Virulence factors such as toxins, adhesins, and invasins contribute to the pathogenicity of the microorganism and its ability to cause harm to the host. Understanding the virulence of different microorganisms is crucial in diagnosing and treating infectious diseases.Rate this question:
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- 11.
Which one of the following microbes is an obligate intracellular pathogen?
- A.
Virus
- B.
Fungus
- C.
Bacteria
- D.
Eukaryote
Correct Answer
A. VirusExplanation
A virus is an obligate intracellular pathogen because it cannot reproduce or carry out metabolic processes outside of a host cell. It relies entirely on the host cell's machinery to replicate and produce new viral particles. Unlike bacteria, fungi, and eukaryotes, viruses lack the necessary cellular machinery to survive and reproduce independently. Therefore, they are classified as obligate intracellular pathogens.Rate this question:
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- 12.
Which one of the following microbes is capable of living outside the human host and forms large communities called biofilms?
- A.
Virus
- B.
Prion
- C.
Fungus
- D.
Bacteria
Correct Answer
D. BacteriaExplanation
Bacteria is the correct answer because unlike viruses, prions, and fungi, bacteria are capable of surviving and thriving outside of the human host. Bacteria have the ability to form biofilms, which are large communities of bacteria that adhere to surfaces and form a protective matrix. These biofilms can be found in various environments such as water, soil, and medical devices. Bacteria in biofilms are more resistant to antibiotics and immune responses, making them a significant concern in healthcare settings.Rate this question:
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- 13.
Which one of the following events will occur when a viral infection is oncogenic?
- A.
The hose will die of sepsis
- B.
The host will grow new healthy tissue
- C.
The host will develop cancer as a result of the infection
- D.
The host will be unaffected as the virus will remain latent
Correct Answer
C. The host will develop cancer as a result of the infectionExplanation
When a viral infection is oncogenic, it means that the infection has the potential to cause the development of cancer in the host. This occurs because the virus disrupts the normal cellular processes and can lead to uncontrolled cell growth and division, ultimately resulting in the formation of cancerous cells.Rate this question:
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- 14.
Which one of the following terms describes the spread of disease across continents with the potential to affect the entire globe?
- A.
Systemic
- B.
Endemic
- C.
Epidemic
- D.
Pandemic
Correct Answer
D. PandemicExplanation
A pandemic refers to the spread of a disease across multiple continents, with the potential to affect the entire globe. Unlike an epidemic, which is confined to a specific region or population, a pandemic has a much wider reach and can cause significant global impact. The term "pandemic" is commonly used to describe outbreaks of highly contagious diseases such as the COVID-19 pandemic.Rate this question:
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- 15.
Which one of the following terms regarding the course of a disease is characterized by containment of the infection, repair of damaged tissue, and progressive elimination of the pathogen?
- A.
Resolution
- B.
Acute stage
- C.
Prodromal stage
- D.
Convalescent period
Correct Answer
D. Convalescent periodExplanation
The convalescent period refers to the stage of a disease where the infection is contained, damaged tissue is repaired, and the pathogen is progressively eliminated. This stage occurs after the acute stage, where the disease is at its peak, and before resolution, where the disease completely resolves. During the convalescent period, the body's immune system continues to fight off the remaining pathogens and restore the body to its normal state.Rate this question:
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- 16.
Some bacteria can live with and without oxygen are called:
- A.
Anaerobes
- B.
Aerobes
- C.
Facultative
- D.
Germinative
Correct Answer
C. FacultativeExplanation
Facultative bacteria are able to survive and grow both in the presence and absence of oxygen. They have the ability to switch their metabolic pathways depending on the availability of oxygen. When oxygen is present, they can utilize aerobic respiration to generate energy. In the absence of oxygen, they can switch to anaerobic pathways such as fermentation. This adaptability allows facultative bacteria to thrive in a wide range of environments, making them versatile and capable of surviving in both aerobic and anaerobic conditions.Rate this question:
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- 17.
A self-limiting condition, caused by salmonella, characterized by nausea, vomiting, diarrhea, abdominal cramps and fever is called:
- A.
Gastroenteritis
- B.
Enteric fever
- C.
Traveler's diarrhea
- D.
Cholera
Correct Answer
A. GastroenteritisExplanation
Gastroenteritis is a self-limiting condition caused by salmonella that is characterized by symptoms such as nausea, vomiting, diarrhea, abdominal cramps, and fever. This condition refers to inflammation of the stomach and intestines, usually resulting from a viral or bacterial infection. Enteric fever, also known as typhoid fever, is caused by a different bacteria called Salmonella typhi and presents with different symptoms. Traveler's diarrhea is a condition caused by consuming contaminated food or water while traveling to different regions. Cholera is a bacterial infection caused by Vibrio cholerae, which leads to severe diarrhea and dehydration.Rate this question:
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- 18.
An acute, viral infection, highly contageous with a wide range of manifestations, including non-specific, minor illness, aseptic meningitis, and flaccid weakness of many muscle groups is:
- A.
Muscular dystrophy
- B.
Poliomyelitis
- C.
Multiple sclerosis
- D.
Parkinson's disease
Correct Answer
B. PoliomyelitisExplanation
Poliomyelitis is an acute, viral infection that is highly contagious. It can cause a wide range of symptoms, including non-specific minor illness, aseptic meningitis, and flaccid weakness of many muscle groups. Muscular dystrophy is a genetic disorder characterized by progressive muscle weakness and degeneration. Multiple sclerosis is a chronic autoimmune disease that affects the central nervous system. Parkinson's disease is a neurodegenerative disorder that primarily affects movement. Therefore, poliomyelitis is the correct answer as it matches the given description of the symptoms and characteristics of the infection.Rate this question:
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- 19.
Protein particles that lack any kind of genetic material, and have been identified in a number of incurable and transmissible degenerative neurological disease are called:
- A.
Lignin
- B.
Leukotrine
- C.
Prion
- D.
Oncogenic
Correct Answer
C. PrionExplanation
Prions are protein particles that lack genetic material and have been found in incurable and transmissible degenerative neurological diseases. These diseases include Creutzfeldt-Jakob disease, mad cow disease, and kuru. Prions are unique because they can cause normal proteins in the brain to become misfolded and form aggregates, leading to the destruction of brain tissue and the characteristic symptoms of these diseases. Due to their ability to spread and their resistance to traditional sterilization methods, prions pose a significant challenge in terms of prevention and treatment.Rate this question:
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- 20.
These infections are acquired during a stay in the hospital.
- A.
Community acquired infections
- B.
Air borne infections
- C.
Transmissible infections
- D.
Nosocomial infections
Correct Answer
D. Nosocomial infectionsExplanation
Nosocomial infections refer to infections that are acquired during a stay in the hospital. This means that patients who were not previously infected develop an infection while receiving treatment or care in a healthcare facility. These infections are typically caused by bacteria, fungi, or viruses that are present in the hospital environment or transmitted from healthcare workers or other patients. Nosocomial infections are a major concern in healthcare settings as they can lead to increased morbidity, mortality, and healthcare costs. Various preventive measures, such as hand hygiene, proper disinfection, and isolation protocols, are implemented to reduce the risk of nosocomial infections.Rate this question:
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