1. T/F Infection and communicable disease can lead to illness, disability, and loss of work time for healthcare providers.
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4. Infectious disease is best defined as: a. harmful development in a microscopic organism. b. alteration of the organism's normal functioning. c. disease caused by an invading pathogen. d. body not capable of carrying on its normal functions. 5. Which of the following best defines pathogen? a. Extent of pathogenicity b. A microscopic organism (plant or animal) c. An organism capable of causing disease d. All of these are correct. 6. The capacity and strength of the disease to produce severe and fatal cases of illness is its: a. Variolation. b. virulence. c. pathogenicity. d. pathogenesis. 7. The capacity of a microorganism to enter and grow in or upon tissues of the host is called its: a. etiology. b. pathogenesis. c. invasiveness. d. virulence. 8. Which of the following stages is associated with the incubation period? a. Stage of susceptibility b. Stage of presymptomatic disease c. Stage of clinical disease d. Stage of recovery, disability, or death. 9. A description of communicable disease prevention and control may include all of the following, EXCEPT: a. remove, eliminate, or contain the cause or source of infection. b. disrupt and block the chain of disease transmission. c. protect the susceptible population against infection and disease. d. All of these could be part of a description of communicable disease prevention and control. 10. True or False? Chronic diseases and conditions are not typically caused by pathogens.
Madhur L.
Infection and disease are synonymous terms. True False Both the lymph nodes and the spleen are primary organs of the immune system. True False Superantigens can activate T cells regardless of the TCR peptide specificity. True False Macrophages are the only phagocytic cells found in humans. True False Antibodies are soluble proteins produced by T cells. True False The T cell, with its T cell receptor, can recognize antigens only when the antigens are complexed with self-proteins known as major histocompatibility complex found on host cell surfaces. True False Biting insects are called vectors for disease transmission. True False Inflammation is the usual outcome of an adaptive immune response but not an innate immune response. True False Normal microbiota (microbes) are usually found in the blood, lymph, and nervous systems of the body. True False Crohn's disease and ulcerative colitis are examples of inflammatory bowel syndromes. True False Vaginal acidity in the healthy adult female is due to acid production by Lactobacillus acidophilus. True False Failure to reach equilibrium (coevolve) with a disease agent could result in extinction for the host species. True False To control a disease in a population, 100% immunization is necessary. True False
For a disease to be considered communicable, an infectious agent causes damage to the host and can be transmitted to another host. True or False.
Adi S.
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