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BHS 329 Midterm Exam Questions with Complete Solutions

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BHS 329 Midterm Exam Questions with Complete Solutions Systemic manifestations of acute local infection - Answer-- fever - malaise - weakness - anorexia - headache - nausea Acute local infection manifestations - Answer-- pain - heat - redness - swelling - lymph node swelling - site-d...

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  • August 26, 2024
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BHS 329 Midterm Exam Questions
with Complete Solutions

Systemic manifestations of acute local infection - Answer-- fever
- malaise
- weakness
- anorexia
- headache
- nausea

Acute local infection manifestations - Answer-- pain
- heat
- redness
- swelling
- lymph node swelling
- site-dependent loss of function

First step of the healing process - Answer-Inflammatory phase

Second step of the healing process - Answer-Proliferative phase

Third step of the healing process - Answer-Remodeling phase

Inflammatory phase - Answer-- acute inflammatory response
- hemostasis

Proliferative phase - Answer-- clear debris and necrotic tissue
- restore structural integrity

Remodeling phase - Answer-- maturation of cells
- degradation of the provisional matrix

Pathogens - Answer-disease-producing microbes

Horizontal spread - Answer-one individual infects others, insect vectors, etc.

Vertical spread - Answer-parents to offspring via sperm, ovum, placenta, milk

Eye immune strategies - Answer-washing and antibiotic activity of tears

Lymph node immune strategies - Answer-phagocytosis by macrophages, attack by
natural killers cells

, Skin immune strategies - Answer-physical barrier

Respiratory immune strategies - Answer-- entrapment by mucus
- transport to throat via cilia
- phagocytosis by alveolar macrophages

Blood immune strategies - Answer-- phagocytosis by macrophages and granulocytes
- digestion by lysozymes
- attack by complement proteins

Bone marrow immune strategies - Answer-- phagocytosis by macrophages and
granulocytes
- attack by natural killer cells

Liver immune strategies - Answer-phagocytosis by Kupffer cells (specialized
macrophages)

Spleen immune strategies - Answer-- phagocytosis by macrophages
- attack by natural killer cells



Pathogenicity - Answer-qualities that promote the production of disease

Virulence - Answer-potency of the pathogen indicated by the ratio of the number of
cases compared to number of exposures

Infectivity - Answer-proportion of exposures needed to cause infection in an individual

Toxigenicity - Answer-ability of the pathogen to produce harmful toxins that increase
host cell and tissue damage

Antigenicity - Answer-level to which a pathogen is viewed by the host immune system
as foreign

Antigenic variability - Answer-process of eluding the human host defenses, often
consists of altering antigen presentation

Pathogenic defense mechanisms - Answer-ways in which a pathogen has developed to
avoid destruction by host

Coinfection - Answer-hosting two or more pathogens simultaneously

Superinfection - Answer-when an infection arises in addition to one that is already
present

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