Questions On Disease: MCQ Quiz!
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Disease is anything that is a threat to your overall health and well-being. Examples of the disease include heart disease, cancer, diabetes, celiac disease. This quiz on disease asks pertinent questions such as the best definition of the term prognosis, what is considered a systemic sign of disease, and is a deficit of oxygen in the cells, usually due to respiratory or circulatory problems. It would help if you irrefutably took this vital quiz.
- 1.
Which of the following would be the most likely cause of an iatrogenic disease?
- A.
An inherited disorder
- B.
A combination of specific etiological factors
- C.
An unwanted effect of a prescribed drug
- D.
Prolonged exposure to toxic chemicals in the environment
Correct Answer
C. An unwanted effect of a prescribed drugExplanation
An iatrogenic disease refers to a disease or condition that is caused unintentionally by medical treatment or intervention. An unwanted effect of a prescribed drug is the most likely cause of an iatrogenic disease because it implies that the disease is a result of the medication prescribed by a healthcare professional. This can occur due to various factors such as adverse drug reactions, drug interactions, incorrect dosage, or individual sensitivity to the medication. It is important for healthcare providers to carefully consider the potential risks and benefits of prescribed drugs to minimize the occurrence of iatrogenic diseases.Rate this question:
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- 2.
The manifestations of a disease are best defined as the:
- A.
Subjective feelings of discomfort during a chronic illness.
- B.
Signs and symptoms of a disease.
- C.
Factors that precipitate an acute episode of a chronic illness.
- D.
Early indicators of the prodromal stage of infection.
Correct Answer
B. Signs and symptoms of a disease.Explanation
The manifestations of a disease refer to the signs and symptoms that are present in an individual. These signs and symptoms can be observed or reported by the patient and are used to diagnose and define the disease. They can include physical changes, such as a rash or fever, as well as subjective experiences, such as pain or fatigue. By identifying and understanding the manifestations of a disease, healthcare professionals can provide appropriate treatment and care for the patient.Rate this question:
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- 3.
The best definition of the term prognosis is the:
- A.
Precipitating factors causing an acute episode.
- B.
Number of remissions to be expected during the course of a chronic illness.
- C.
Predicted outcome or likelihood of recovery from a specific disease.
- D.
Exacerbations occurring during chronic illness.
Correct Answer
C. Predicted outcome or likelihood of recovery from a specific disease.Explanation
The term "prognosis" refers to the predicted outcome or likelihood of recovery from a specific disease. It involves assessing the future course of the disease and determining the chances of improvement or worsening. This definition focuses on the overall outcome and recovery prospects rather than specific factors or episodes associated with the illness.Rate this question:
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- 4.
Which of the following is considered a systemic sign of disease?
- A.
Swelling of the knee
- B.
Fever
- C.
Pain in the neck
- D.
Red rash on the face
Correct Answer
B. FeverExplanation
Fever is considered a systemic sign of disease because it is a symptom that affects the entire body. It is often caused by an immune response to an infection or inflammation. Fever is characterized by an increase in body temperature and can be accompanied by other symptoms such as chills, sweating, and fatigue. It is a common sign that the body is fighting off an illness or infection and is often used as an indicator of the severity or progression of a disease.Rate this question:
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- 5.
Etiology is defined as the study of the:
- A.
Causes of a disease.
- B.
Course of a disease.
- C.
Expected complications of a disease.
- D.
Manifestations of a disease.
Correct Answer
A. Causes of a disease.Explanation
Etiology is the branch of medical science that focuses on understanding the causes of a disease. It involves studying various factors such as genetic, environmental, and lifestyle influences that contribute to the development of a particular illness. By understanding the etiology of a disease, healthcare professionals can better prevent, diagnose, and treat the condition. This knowledge helps in identifying risk factors, implementing preventive measures, and developing targeted therapies. Therefore, the correct answer is "causes of a disease."Rate this question:
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- 6.
A type of cellular adaptation in which there is a decrease in cell size is referred to as:
- A.
Hypertrophy.
- B.
Metaplasia.
- C.
Anaplasia.
- D.
Atrophy.
Correct Answer
D. AtropHy.Explanation
Atrophy is the correct answer because it refers to a type of cellular adaptation where there is a decrease in cell size. This can occur due to a variety of reasons such as disuse, lack of nutrients, or decreased blood supply. In atrophy, cells shrink in size and their function may be impaired. This is in contrast to hypertrophy, which involves an increase in cell size, metaplasia, which is the transformation of one cell type into another, and anaplasia, which refers to abnormal and undifferentiated cell growth typically seen in cancer.Rate this question:
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- 7.
A change in a tissue marked by cells that vary in size and shape and show increased mitotic figures would be called:
- A.
Metaplasia.
- B.
Atrophy.
- C.
Dysplasia.
- D.
Hypertrophy.
Correct Answer
C. Dysplasia.Explanation
A change in a tissue marked by cells that vary in size and shape and show increased mitotic figures would be called dysplasia. Dysplasia refers to abnormal development or growth of cells, which can lead to changes in tissue structure and function. In this case, the cells in the tissue are exhibiting increased mitotic figures, indicating a higher rate of cell division. Additionally, the variation in size and shape suggests that the cells are not maturing properly. This combination of abnormalities is characteristic of dysplasia.Rate this question:
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- 8.
A deficit of oxygen in the cells usually due to respiratory or circulatory problems is called:
- A.
Apoptosis.
- B.
Ischemia.
- C.
Hypertrophy.
- D.
Necrosis.
Correct Answer
B. Ischemia.Explanation
Ischemia refers to a deficiency of oxygen in the cells caused by respiratory or circulatory problems. It occurs when there is reduced blood flow to a particular part of the body, leading to a lack of oxygen and nutrients in the affected cells. This can result in tissue damage and cell death if not addressed promptly. Apoptosis, hypertrophy, and necrosis are not directly related to a deficit of oxygen in the cells.Rate this question:
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- 9.
When a group of cells in the body dies, the change is called:
- A.
Ischemia.
- B.
Gangrene.
- C.
Hypoxia.
- D.
Necrosis.
Correct Answer
D. Necrosis.Explanation
When a group of cells in the body dies, the term used to describe this change is necrosis. Necrosis refers to the death of cells or tissues due to factors such as injury, infection, or lack of blood supply. It is a pathological process that can occur in various organs and can have different causes, including ischemia (lack of blood flow), hypoxia (lack of oxygen), or other factors. Gangrene, on the other hand, specifically refers to necrosis caused by bacterial infection.Rate this question:
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- 10.
Rigorous weight lifting/bodybuilding regimens may result in the skeletal muscle cells undergoing:
- A.
Hypertrophy.
- B.
Dysplasia.
- C.
Atrophy.
- D.
Regeneration.
Correct Answer
A. HypertropHy.Explanation
Rigorous weight lifting/bodybuilding regimens often lead to an increase in the size and strength of skeletal muscle cells, a process known as hypertrophy. This occurs as a response to the increased demand placed on the muscles, causing them to adapt and grow in order to handle the increased workload. Dysplasia refers to abnormal cell growth and is not typically associated with weightlifting. Atrophy refers to the shrinking or wasting of muscle cells, which is not expected in this scenario. Regeneration refers to the process of replacing damaged or lost cells, which is not the primary outcome of weightlifting.Rate this question:
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- 11.
The term cancer refers to:
- A.
Dysplasia.
- B.
Hyperplasia.
- C.
Metaplasia.
- D.
Malignant neoplasm.
Correct Answer
D. Malignant neoplasm.Explanation
The term "cancer" refers to a malignant neoplasm. Malignant neoplasms are cancerous growths that invade and destroy nearby tissues and have the potential to spread to other parts of the body. Dysplasia, hyperplasia, and metaplasia are all abnormal cellular changes that can occur in tissues, but they do not necessarily indicate the presence of cancer.Rate this question:
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- 12.
To which of the following does the term apoptosis refer?
- A.
Increased rate of mitosis by certain cells
- B.
Ischemic damage to cells
- C.
Liquefaction of necrotic tissue
- D.
Preprogrammed cell self-destruction
Correct Answer
D. Preprogrammed cell self-destructionExplanation
Apoptosis refers to preprogrammed cell self-destruction. It is a natural process that occurs in multicellular organisms to eliminate unwanted or damaged cells. Unlike necrosis, which is a result of cell injury or damage, apoptosis is a controlled and orderly process. It plays a crucial role in various physiological processes, such as embryonic development, tissue homeostasis, and immune response. During apoptosis, the cell undergoes characteristic changes, including shrinkage, condensation of the nucleus, fragmentation into apoptotic bodies, and ultimately, phagocytosis by nearby cells.Rate this question:
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- 13.
Which of the following statements is TRUE?
- A.
Alteration of DNA does not change cell function.
- B.
Damaged cells may be able to repair themselves.
- C.
All types of cells die at the same rate.
- D.
Mild ischemia causes immediate cell death.
Correct Answer
B. Damaged cells may be able to repair themselves.Explanation
The statement "Damaged cells may be able to repair themselves" is true. When cells are damaged, they have the ability to initiate repair mechanisms to restore their normal function. This process is known as cell repair or regeneration. Depending on the extent and type of damage, cells can repair themselves through various mechanisms such as DNA repair, protein synthesis, and cell division. This ability to repair is essential for the maintenance and survival of tissues and organs in the body.Rate this question:
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- 14.
Caseation necrosis refers to an area where:
- A.
Cell proteins have been denatured.
- B.
Cell are liquefied by enzymes.
- C.
Dead cells form a thick cheesy substance.
- D.
Bacterial invasion has occurred.
Correct Answer
C. Dead cells form a thick cheesy substance.Explanation
Caseation necrosis refers to a specific type of necrosis where dead cells form a thick cheesy substance. This occurs in certain infectious diseases, such as tuberculosis, where the immune system tries to contain the infection by forming a granuloma. Inside the granuloma, the dead cells undergo caseation necrosis, resulting in the formation of a characteristic cheesy material. This process is a result of the immune response and the breakdown of cellular components, rather than denaturation of cell proteins, liquefaction by enzymes, or bacterial invasion.Rate this question:
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- 15.
Routine application of sun block to skin would be an example of:
- A.
An iatrogenic cause of cancer.
- B.
A preventive measure.
- C.
A precipitating factor.
- D.
A predisposing condition.
Correct Answer
B. A preventive measure.Explanation
The routine application of sunblock to skin is a preventive measure because it helps to protect the skin from harmful ultraviolet (UV) radiation, which is a known risk factor for skin cancer. By applying sunblock regularly, individuals can reduce their exposure to UV radiation and lower their risk of developing skin cancer. Therefore, the routine use of sunblock acts as a preventive measure against the development of cancer.Rate this question:
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- 16.
A circumstance that causes a sudden acute episode of a chronic disease to occur is termed:
- A.
Latent stage.
- B.
Predisposing factor.
- C.
Incidence.
- D.
Precipitating factor.
Correct Answer
D. Precipitating factor.Explanation
A precipitating factor refers to a circumstance that triggers a sudden acute episode of a chronic disease. It is something that causes the disease to worsen or become more severe. This term is used to describe an event or condition that leads to the manifestation of symptoms in individuals with a pre-existing chronic condition. It is different from a predisposing factor, which increases the likelihood of developing a disease, and from the incidence, which refers to the number of new cases of a disease in a population. The latent stage refers to a period of inactivity or dormancy in a disease process.Rate this question:
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- 17.
The term homeostasis refers to:
- A.
The causative factors in a particular disease.
- B.
Maintenance of a stable internal environment.
- C.
A condition that triggers an acute episode.
- D.
A collection of signs and symptoms.
Correct Answer
B. Maintenance of a stable internal environment.Explanation
The term "homeostasis" refers to the maintenance of a stable internal environment. Homeostasis is the body's ability to regulate and maintain a constant internal state, such as body temperature, blood pressure, and pH levels. It involves various physiological processes that work together to keep the body's internal conditions within a narrow range, despite external changes. This balance is essential for the proper functioning of cells, tissues, and organs, ensuring optimal health and well-being.Rate this question:
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- 18.
Which term is used to describe a new and secondary or additional problem that arises after the original disease has been established?
- A.
Symptoms
- B.
Occurrence
- C.
Manifestations
- D.
Complication
Correct Answer
D. ComplicationExplanation
A complication is a term used to describe a new and secondary problem that arises after the original disease has been established. It refers to an additional issue or condition that occurs as a result of the primary disease. Complications can vary in severity and can impact the prognosis and treatment of the original disease. They often require additional medical attention and intervention.Rate this question:
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- 19.
Pathophysiology involves the study of:
- A.
The structure of the human body.
- B.
The functions of various organs in the body.
- C.
Functional or structural changes resulting from disease processes.
- D.
Various cell structures and related functions.
Correct Answer
C. Functional or structural changes resulting from disease processes.Explanation
Pathophysiology is the study of functional or structural changes that occur in the body as a result of disease processes. It involves understanding how diseases alter the normal functioning and structure of organs, tissues, and cells. This field of study helps in identifying the underlying mechanisms of diseases and developing effective treatments. It focuses on the pathological processes that lead to the development, progression, and complications of various diseases.Rate this question:
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- 20.
Which of the following is the best definition of epidemiology?
- A.
The science of tracking the occurrence and distribution of diseases
- B.
The relative number of deaths resulting from a particular disease
- C.
Identification of a specific disease through evaluation of signs and symptoms
- D.
The global search for emerging diseases
Correct Answer
A. The science of tracking the occurrence and distribution of diseasesExplanation
Epidemiology is the study of how diseases occur and spread within a population. It involves tracking and monitoring the occurrence and distribution of diseases, identifying risk factors, and understanding the patterns and trends of diseases in order to prevent and control their spread. This definition best captures the essence of epidemiology as a scientific discipline focused on understanding and managing the impact of diseases on populations.Rate this question:
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- 21.
All of the following are part of the Seven Steps to Health EXCEPT:
- A.
Follow cancer screening guidelines.
- B.
Use sun block agents whenever exposed.
- C.
Participate in strenuous exercise on a regular daily basis.
- D.
Choose high fiber, lower fat foods.
Correct Answer
C. Participate in strenuous exercise on a regular daily basis.Explanation
The Seven Steps to Health include following cancer screening guidelines, using sun block agents whenever exposed, and choosing high fiber, lower fat foods. However, participating in strenuous exercise on a regular daily basis is not mentioned as one of the steps.Rate this question:
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- 22.
The term disease refers to:
- A.
The period of recovery and return to a normal healthy state.
- B.
A deviation from the normal state of health and function.
- C.
The treatment measures used to promote recovery.
- D.
A basic collection of signs and symptoms.
Correct Answer
B. A deviation from the normal state of health and function.Explanation
The term "disease" refers to a deviation from the normal state of health and function. This means that when someone is experiencing a disease, their body is not functioning in the usual or healthy way. It could involve various signs and symptoms, but the key aspect is the deviation from normal health. The other options, such as the period of recovery and treatment measures, are not accurate definitions of the term "disease".Rate this question:
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- 23.
A collection of signs and symptoms, often affecting more than one organ or system, that usually occur together in response to a certain condition is referred to as a (an):
- A.
Acute disease.
- B.
Multiorgan disorder.
- C.
Syndrome.
- D.
Manifestation.
Correct Answer
C. Syndrome.Explanation
A collection of signs and symptoms that occur together in response to a certain condition is referred to as a syndrome. This term is used to describe a specific pattern of symptoms that are often associated with a particular disease or disorder. Unlike acute diseases, which refer to short-term illnesses, a syndrome can persist for a longer duration and may affect multiple organs or systems in the body. The term "multiorgan disorder" does not specifically imply the presence of a specific pattern of symptoms, and "manifestation" is a more general term that can refer to any observable indication of a disease or condition.Rate this question:
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- 24.
All of the following statements are correct about cell damage EXCEPT:
- A.
The initial stage of cell damage often causes an alteration in metabolic reactions.
- B.
If the factor causing the damage is removed quickly, the cell may be able to recover and return to its normal state.
- C.
If the noxious factor remains for an extended period of time, the damage becomes irreversible and the cell dies.
- D.
Initially, cell damage does not change cell metabolism, structure, or function.
Correct Answer
D. Initially, cell damage does not change cell metabolism, structure, or function.Explanation
Cell damage initially causes an alteration in metabolic reactions, which contradicts the statement that cell damage does not change cell metabolism. The other statements are correct: if the damaging factor is removed quickly, the cell can recover; if the factor remains, the damage becomes irreversible and the cell dies.Rate this question:
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- 25.
Which of the following conditions distinguishes double-blind studies used in health research?
- A.
Neither the members of the control group or the experimental group nor the person administering the treatment knows who is receiving the experimental therapy.
- B.
Both groups of research subjects and the person administering the treatment know who is receiving the experimental therapy.
- C.
The research subjects do not know, but the person administering the treatment knows who is receiving placebo or standard therapy.
- D.
Only members of the control group know they are receiving standard therapy.
Correct Answer
A. Neither the members of the control group or the experimental group nor the person administering the treatment knows who is receiving the experimental therapy.Explanation
In double-blind studies used in health research, neither the members of the control group or the experimental group nor the person administering the treatment knows who is receiving the experimental therapy. This is done to eliminate bias and ensure the validity of the study. By keeping the participants and the person administering the treatment unaware of who is receiving the experimental therapy, the results are less likely to be influenced by expectations or preconceived notions. This helps to provide more accurate and reliable data for analysis.Rate this question:
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- 26.
If the data collected from the research process confirm that the new treatment has increased effectiveness and is safe, this is called:
- A.
The placebo effect.
- B.
Evidence-based research.
- C.
Blind research studies.
- D.
Approval for immediate distribution.
Correct Answer
B. Evidence-based research.Explanation
The correct answer is evidence-based research. This is because evidence-based research refers to the use of scientific evidence to support the effectiveness and safety of a new treatment. It involves collecting data from research processes such as clinical trials and analyzing it to determine the benefits and risks of the treatment. If the collected data confirms that the new treatment has increased effectiveness and is safe, it provides evidence to support its use.Rate this question:
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- 27.
A short-term illness that develops very quickly with perhaps a high fever or severe pain is called:
- A.
Acute.
- B.
Latent.
- C.
Chronic.
- D.
Manifestation.
Correct Answer
A. Acute.Explanation
An acute illness refers to a short-term illness that develops rapidly and is characterized by symptoms such as high fever or severe pain. This term is used to describe conditions that have a sudden onset and typically resolve within a short period of time. It is the opposite of chronic illnesses, which are long-lasting and persist over time. The term "latent" refers to a condition that is present but not yet active or causing symptoms, while "manifestation" refers to the appearance or expression of a symptom or condition.Rate this question:
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- 28.
The term prognosis refers to the:
- A.
Period of recovery and return to a normal state.
- B.
Expected outcome of the disease.
- C.
Mortality and morbidity rates for a given population.
- D.
Typical collection of signs and symptoms.
Correct Answer
B. Expected outcome of the disease.Explanation
The term "prognosis" refers to the expected outcome of a disease. It involves predicting the course and outcome of a disease based on various factors such as the patient's medical history, the nature of the disease, and the effectiveness of available treatments. Prognosis helps healthcare professionals and patients understand the potential outcomes and make informed decisions regarding treatment and management of the disease.Rate this question:
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- 29.
When prolonged ischemia occurs to an area of the heart, the resulting damage is referred to as:
- A.
Atrophy.
- B.
Liquefactive necrosis.
- C.
Apoptosis.
- D.
Infarction.
Correct Answer
D. Infarction.Explanation
When prolonged ischemia occurs to an area of the heart, it means that there is a lack of blood supply to that specific area. This lack of blood supply leads to a lack of oxygen and nutrients, causing the cells in that area to die. This process is known as infarction. Atrophy refers to the shrinkage of cells or tissues due to a decrease in cell size or number. Liquefactive necrosis refers to the dissolution of dead cells, often seen in infections. Apoptosis is a programmed cell death that occurs naturally as part of the body's normal processes.Rate this question:
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- 30.
During the evaluation process for a new therapy’s effectiveness and safety, a double-blind study may be conducted during:
- A.
The first stage.
- B.
The second stage.
- C.
The third stage.
- D.
Any of these stages.
Correct Answer
C. The third stage.Explanation
A double-blind study is conducted during the third stage of the evaluation process for a new therapy's effectiveness and safety. In a double-blind study, neither the participants nor the researchers know who is receiving the actual therapy and who is receiving a placebo. This helps to eliminate bias and ensure the validity of the results. Conducting a double-blind study in the third stage allows for a more rigorous evaluation of the therapy's effectiveness and safety before it is approved for widespread use.Rate this question:
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- 31.
Why are the predisposing factors for a specific disease important to health professionals?
- A.
To predict the prognosis
- B.
To determine treatments
- C.
To develop preventive measures
- D.
To develop morbidity statistics
Correct Answer
C. To develop preventive measuresExplanation
The predisposing factors for a specific disease are important to health professionals because they help in developing preventive measures. By understanding the factors that increase the risk of a disease, health professionals can take proactive steps to prevent its occurrence or reduce its impact. This can include educating the public about lifestyle changes, implementing vaccination programs, or identifying high-risk populations for targeted interventions. By addressing the predisposing factors, health professionals can work towards reducing the burden of the disease and improving overall public health.Rate this question:
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- 32.
Cell damage may be caused by exogenous sources such as:
- A.
Abnormal metabolic processes.
- B.
Certain food additives.
- C.
Genetic defects.
- D.
Localized hypoxia.
Correct Answer
B. Certain food additives.Explanation
Certain food additives can cause cell damage. These additives may contain harmful chemicals or substances that can negatively affect the cells in our body. When consumed, these additives can disrupt normal cellular processes and lead to damage. It is important to be aware of the additives in our food and make informed choices to minimize the risk of cell damage.Rate this question:
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- 33.
A situation when there is a higher than expected number of cases of an infectious disease within a given area is called a/an:
- A.
Epidemic.
- B.
Exacerbation.
- C.
Morbidity.
- D.
Pandemic.
Correct Answer
A. Epidemic.Explanation
An epidemic refers to a situation where there is a higher than expected number of cases of an infectious disease within a given area. It is a localized outbreak of a disease that spreads rapidly and affects a large number of people in a specific region or community. This term is commonly used to describe the sudden increase in cases of a particular disease, such as the flu or measles, within a specific area. An epidemic is different from a pandemic, which refers to an outbreak of a disease that spreads across multiple countries or continents.Rate this question:
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- 34.
The term pathogenesis refers to:
- A.
The development of a disease or sequence of events related to tissue changes involved in the disease process.
- B.
The determination of the cause(s) involved in the development of a malignant neoplasm.
- C.
The specific signs and symptoms involved in the change from an acute disease to a chronic disease.
- D.
The changes in cells of affected tissue that result in necrosis.
Correct Answer
A. The development of a disease or sequence of events related to tissue changes involved in the disease process.Explanation
The term pathogenesis refers to the development of a disease or sequence of events related to tissue changes involved in the disease process. This means that pathogenesis involves understanding how a disease develops and the specific changes that occur in the affected tissues. It does not refer to the determination of the cause of a malignant neoplasm, the signs and symptoms of a disease, or the changes in cells that result in necrosis.Rate this question:
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Oct 07, 2024Quiz Edited by
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Apr 20, 2017Quiz Created by
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