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APHY 102 Final PASSED Exam Questions and CORRECT Answers $9.49   Add to cart

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APHY 102 Final PASSED Exam Questions and CORRECT Answers

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APHY 102 Final PASSED Exam Questions and CORRECT Answers MALT - Correct Answer- Mucosa-associated lymphoid tissue; e.g., tonsils, Peyer's patches Lymph nodes functions - Correct Answer- Filter lymph, immune response activation, house lymphocytes Thymus location - Correct Answer- Located in t...

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  • August 28, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • APHY 102
  • APHY 102
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MGRADES
APHY 102 Final PASSED Exam Questions
and CORRECT Answers

MALT - Correct Answer- Mucosa-associated lymphoid tissue; e.g., tonsils, Peyer's patches


Lymph nodes functions - Correct Answer- Filter lymph, immune response activation, house
lymphocytes


Thymus location - Correct Answer- Located in the upper chest behind the breastbone


Thymus cells maturation - Correct Answer- T cells mature in the thymus


Thymus hormones - Correct Answer- Thymosin, thymopoietin, interleukins


Spleen location - Correct Answer- Located in the upper left part of the abdomen


Spleen tissue types - Correct Answer- White pulp (immune function) and red pulp (filtering
blood)


Immunity - Correct Answer- Body's ability to resist and fight infection


Pathogen - Correct Answer- Microorganism causing disease; e.g., virus, bacteria


Innate vs. Adaptive defenses - Correct Answer- Innate: nonspecific, quick response;
Adaptive: specific, memory


Physical barriers examples - Correct Answer- Skin, mucous membranes, cilia, stomach acid


Chemical barriers functions - Correct Answer- Interfere with pathogen growth; e.g.,
lysozyme, defensins

,Natural Killer cells - Correct Answer- Destroy infected and cancerous cells


Phagocytosis - Correct Answer- Engulfing and digesting pathogens; Neutrophils,
macrophages


Chemotaxis - Correct Answer- Movement of cells toward a chemical stimulus


Fever importance - Correct Answer- Slows pathogen growth, enhances immune response


Antigen vs. Antibody - Correct Answer- Antigen: foreign substance; Antibody: immune
protein


Cellular immune response - Correct Answer- T cells directly attack infected cells


Humoral immune response - Correct Answer- B cells produce antibodies to fight pathogens


Lymphocyte types - Correct Answer- B cells (bone marrow) and T cells (thymus); immune
response


Major histocompatibility complex - Correct Answer- Cell surface proteins for antigen
presentation


T cell types - Correct Answer- Helper T cells, Cytotoxic T cells, Memory T cells


B cell activation - Correct Answer- Antigen recognition, proliferation, differentiation


Memory B cells & Plasma cells - Correct Answer- Memory: long-term immunity; Plasma:
produce antibodies


Immunoglobulins types - Correct Answer- IgG, IgA, IgM, IgE, IgD; various immune
functions

, Negative feedback - Correct Answer- Regulatory process where a change in a physiological
variable triggers responses that reverse the change


Positive feedback - Correct Answer- Process that amplifies or increases the change that is
occurring


Releasing hormones - Correct Answer- Secreted by the hypothalamus to stimulate the release
of hormones from the anterior pituitary gland


Stimulating or tropic hormones - Correct Answer- Hormones that stimulate other endocrine
glands to release their hormones


Anterior pituitary gland - Correct Answer- Secretes hormones like growth hormone and
prolactin, regulated by hypothalamic hormones


Posterior pituitary gland - Correct Answer- Stores and releases hormones oxytocin and
antidiuretic hormone made in the hypothalamus


Growth Hormone - Correct Answer- Secreted by the anterior pituitary, stimulates growth and
cell reproduction


Prolactin - Correct Answer- Anterior pituitary hormone that stimulates milk production


Thyroxine (T4) - Correct Answer- Thyroid hormone that regulates metabolism


Triiodothyronine (T3) - Correct Answer- Thyroid hormone that regulates metabolism


Calcitonin - Correct Answer- Hormone that lowers blood calcium levels


Parathyroid hormone - Correct Answer- Hormone that raises blood calcium levels


Epinephrine - Correct Answer- Hormone released by the adrenal medulla in response to stress

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