Description : The early response in asthma is due to activity. a. Cytotoxic T Cell b. Basophil c. TH2 Cell And NI( Cell d. Dendritic Cells
Last Answer : c. TH2 Cell And NI( Cell
Description : The figure shows a human blood cell. Identify it and give its characteristics. Blood cell Characteristics (a) Basophil Secretes serotonin, inflammatory response (b) B-lymphocyte Forms about 20% of ... Most abundant blood cells, phagocytic (d) Monocyte Lifespan of 3 days, produces antibodies
Last Answer : (a) Basophil Secretes serotonin, inflammatory response
Description : All forms of immunity depend on an exposure to antigens and a subsequent response by _____ cells. a. basophil b. neutrophil c. NK d. T
Last Answer : d. T
Description : The immune system originates with a primordial cell of the fetus known as the _____ stem cell. a. T b. dendritic c. monocyte d. hematopoietic 18: Which one of the f
Last Answer : d. hematopoietic
Description : Of the following types of cells, which are believed to play a significant role in cutaneous immune system reactions? a) Langerhans' cells Langerhans' cells are common to the epidermis and are ... and skin. d) Phagocytes Phagocytes are white blood cells that engulf and destroy foreign materials.
Last Answer : a) Langerhans’ cells Langerhans’ cells are common to the epidermis and are accessory cells of the afferent immune system process.
Description : Which of the following is agranulocyte? (a) Basophil (b) Neutrophil (c) Lymphocyte (d) Eosinophil
Last Answer : (c) Lymphocyte
Description : . MHC class I proteins would be found on___________ whereas MHC class II proteins would be found on_____________ a. Nucleated Cells; Plasma Cells b. Nucleated Cells; Macrophages c. Dendritic Cells; Neutrophils d. Only White Blood Cells; Red Blood Cells
Last Answer : b. Nucleated Cells; Macrophages
Description : A _____ is a protein receptor on the surface of macrophages, dendritic cells, and endothelial cells that allow them to recognize foreign cell markers. a. Toll-like receptor (TLR) b. pathogen-associated c. Membrane attack complex (MAC) d. Natural killer cells (NK)
Last Answer : b. pathogen-associated
Description : Which is not an antigen-presenting cell (or APC)? A- B cell B- .Polymorphonuclear leukocyte (or PMN) C- Dendritic cell D- All of the above
Last Answer : .Polymorphonuclear leukocyte (or PMN)
Description : The following are true about antigen presenting cells (APC): a. Langerhan's cells are the antigen presenting cells of the epidermis b. CD8+ cells only recognize antigen presenting cells bearing ... necrosis factor alpha (TNF ) can turn endothelial cells into antigen presenting cells d. all above
Last Answer : all above
Description : Immunosuppressive agents used in preventing transplant rejection primarily affect a. macrophages. b. neutrophils. c. dendritic cells. d. T cells.
Last Answer : d. T cells.
Description : What type of immune cell may control IgE-mediated hypersensitivities? a. Suppressor T cells b. Plasma cells c. Cytotoxic T cells d. Neutrophils
Last Answer : a. Suppressor T cells
Description : _____ is a nonspecific defensive response by the body to trauma. a. Phagocytosis b. Inflammation c. Abcess d. Respiratory burst
Last Answer : b. Inflammation
Description : The stomach is a chemical barrier to infection because the stomach a. Contains bile. b. Harbors helicobacterpylori, a member of the host microbiota. c. Possesses defensive cells. d. Has an acid ph.
Last Answer : d. Has an acid ph.
Description : ____ becomes activated to eliminate "nonself" cells, such as virus- infected cells or cancer cells. a. Humoral immune response b. Cell-mediated immune response c. Complement d. Inflammation
Last Answer : b. Cell-mediated immune response
Description : Cancer cells interfere with cell functions in all the following ways except: a. they rob cells of their nutrients and induce cell starvation. b. they stimulate the immune system to produce destructive ... reduce the oxygen supply to cells. d. they overwhelm cells through sheer force of numbers.
Last Answer : b. they stimulate the immune system to produce destructive interferons.
Description : The transfusion reaction that arises from the mixing of incompatible blood types illustrates a/an a. Form of lupus erythematous. b. Type i hypersensitivity. c. Immune complex reaction. d. Cytotoxic hypersensitivity.
Last Answer : d. Cytotoxic hypersensitivity.
Description : : DiGeorge syndrome and X-linked (Bruton) agammaglobulinemia differ in the a. Type of antibody produced by the immune system. b. Lymphocytes that the body fails to produce. c. Systems affected by the respective diseases. d. Type of hypersensitivity that ensues
Last Answer : c. Systems affected by the respective diseases.
Description : What are the formats of Keratinocyte Growth Medium?
Last Answer : • Basal Medium - contains no growth factors cytokines, or supplements• Supplement Kit - growth factors, cytokines, and supplements• Medium Kit - basal medium and Supplement Kit packaged together
Description : ______ follow streptococcal diseases and appear to be consequences of immune complex formation in the kidneys or heart. a. Scarlet fever b. Yellow fever c. Rheumatic fever d. Necrotizing fasciatis
Last Answer : c. Rheumatic fever
Description : : _____ is an exaggerated or inappropriate immune defense that is causing the problems in an affected individual. a. Hypersensitivity b. Autoimmune disease c. AIDS d. HIV
Last Answer : a. Hypersensitivity
Description : An essential element of all allergy reactions is the a. Release of interferons from tissue cells. b. Accumulation of ige on the surfaces of mast cells and basophils. c. Passage of igg from the immune system to local tissue cells. d. Elimination of all traces of plasma cells from the body.
Last Answer : b. Accumulation of ige on the surfaces of mast cells and basophils.
Description : During the course of a cellular hypersensitivity a. Antibodies react with antigens in tissues. b. Serotonin and histamine are released by cells. c. Immune complexes form on blood vessel surfaces. d. A skin thickening called an induration may form.
Last Answer : b. Serotonin and histamine are released by cells.
Description : What immunodeficiency disorder is associated with a tack of T and B cells and complete immune dysfunction? a. DiGeorge syndrome b. Severe combined immunodeficiency disease c. Chronic granulomatous disease d. Chédiak-Higashi syndrome
Last Answer : b. Severe combined immunodeficiency disease
Description : Serum sickness is a common symptom of a. Contact dermatitis. b. Hemolytic disease of the newborn. c. Immune complex hypersensitivity d. Food allergies.
Last Answer : c. Immune complex hypersensitivity
Description : Often it may be necessary to add a substance to a vaccine to improve its ability to stimulate the immune system called a/an ____. a. adjuvant b. conjugant c. toxoid d. formulant
Last Answer : a. adjuvant
Description : Why should you get a new influenza vaccine every year? a. it wears off fast b. the viruses change rapidly c. you need a booster to keep the immune level up d. none of the above are correct
Last Answer : b. the viruses change rapidly
Description : Hyperimmune serum is serum with a higher than normal level of _____. a. antigens b. antibodies c. toxins d. immune cells
Last Answer : b. antibodies
Description : Herd immunity is affected by a. The percentage of a population that is vaccinated. b. The strength of an individual‘s immune system. c. The number of susceptible individuals. d. All the above (a—c) are correct.
Last Answer : d. All the above (a—c) are correct. 5. Approximately of 100,000 vaccinated in
Description : Immune complex formation and serum sickness are dangers of a. Artificially acquired passive immunity. b. Naturally acquired active immunity. c. Artificially acquired active immunity. d. Naturally acquired passive immunity.
Last Answer : a. Artificially acquired passive immunity.
Description : In the body's immune system, _____ are the major producers of secreted antibodies. a. macrophages b. plasma cells c. T cells d. B cells
Last Answer : b. plasma cells
Description : _____ is the scientific study of how the immune system functions in the body to prevent or destroy foreign material, including pathogen a. Epidemiology b. Microbiology c. Immunology d. Toxicology
Last Answer : c. Immunology
Description : The AALis divided into _______ sublayers. A) two B) three C) four D) none of the above
Last Answer : two
Description : The two sublayers of a Data Link layer are a. LLC Logical Link Control Layer b. MAC Medium Access Control Layer c. Both A and B d. Data Layer
Last Answer : c. Both A and B
Description : In DLC neutrophil found as `:-`
Last Answer : In DLC neutrophil found as `:-` A. `0-2%` B. `2-8%` C. `25%` D. `65%`
Description : Which of the following statements regarding IL-1 are correct? a. While IL-1 and TNFa share many biologic effects, IL-1 appears to be more potent b. IL-1 expression is in part ... production d. The ability of IL-1 to upregulate endothelial cell-neutrophil adhesion molecules is relatively limited
Last Answer : Answer: b IL-1 and TNFa share many biologic properties. In addition, each potentiates the effects of the other one when given concurrently. Overall, IL-1 alone probably has weaker effects than ... IL-1 provides a key step in the extravasation of leukocytes to sites of local inflammation and injury
Description : The term that is used to refer to a primitive cell, capable of selfreplication and differentiation, is a) stem cell. Stem cells may differentiate into myeloid or lymphoid stem cells. b) band ... blood cell without central pallor. d) reticulocyte. A reticulocyte is a slightly immature red blood cell.
Last Answer : a) stem cell. Stem cells may differentiate into myeloid or lymphoid stem cells.
Description : Which one of the following cells produces antibodies? (1) Eosinophil (2) Monocyte (3) Basophil (4) Lymphocytes
Last Answer : (4) Lymphocytes Explanation: Antibodies are secreted by a type of Lymphocytes (White Blood cell). Antibodies can occur in two physical forms, a soluble form that is secreted from the cell, and ... bacteria and viruses. The antibody recognizes a unique part of the foreign target, called an antigen.
Description : Which one of the following cells produces antibodies ? (1) Eosinophil (2) Monocyte (3) Basophil (4) Lymphocytes
Last Answer : 4 lymphocytes
Description : Islets of langerhans ____________ and are found in _________________
Last Answer : Islets of langerhans ____________ and are found in _________________ A. Modified lymph glands, pancreas ... area, pituitary D. Small tubules, kidney
Description : What type of drainage pattern would you expect to find where the main streams are parallel and very long and the edge of the folded sedimentary rock (weak and resistant) forms long parallel belts? (A) Dendritic (B) Rectangular (C) Radial (D) Trellised
Last Answer : (D) Trellised
Description : What is correct to say about the hormone action in humans? (a) Glucagon is secreted by β-cells of islets of Langerhans and stimulates glycogenolysis. (b) Secretion of thymosins is stimulated ... receptors on ovarian cell membrane. (d) FSH stimulates the secretion of estrogen and progesterone.
Last Answer : (c) In females, FSH first binds with specific receptors on ovarian cell membrane.
Description : What is correct to say about the hormone action in humans ? (1) FSH stimulates the secretion of estrogen and progesterone (2) Glucagon is secreted by -cells of Islets of Langerhans and ... stimulated with aging (4) If females, FSH first binds with specific receptors on ovarian cell membrane
Last Answer : (4) If females, FSH first binds with specific receptors on ovarian cell membrane
Description : Which of the following are the features of the Himalayan rivers? 1. They are of youthful nature, forming deep gorges and performing intense erosional activity 2. They are free to form their courses and follow a dendritic pattern 3. They ... (a) I and II (b) I and III (c) II and III (d) I, II and III
Last Answer : Ans: (d)
Description : A drainage pattern where a river is joined by its tributaries approximately at right angles is (1) Dendritic (2) Trellis (3) Rectangular (4) Radial
Last Answer : (2) Trellis Explanation: When a river is joined by its tributaries at almost right angles, it develops a trellis pattern. Trellis pattern develops where hard and soft rocks exist parallel to each other.
Description : The effective treatment of dendritic ulcer of the cornea is: a. Surface anesthesia b. Local corticosteroids c. Systemic corticosteroids d. Acyclovir ointment
Last Answer : ANSWER: D
Description : Which term would be used to describe an animal which has adapted to a tree-dwelling mode of life? a) deciduous (pron: de-SID-you-us) b) dendritic c) arboreal (pron: ar-BOR-e-al) d) sessile (pron: SESS-ile)
Last Answer : ANSWER: C -- ARBOREAL
Description : A drainage pattern where a river is joined by its tributaries approximately at right angles is ____________ (1) Dendritic (2) Trellis (3) Rectangular(4) Radial
Last Answer : Trellis
Description : The word ‘dendritic’ is associated with— (1) wind (2) waves (3) rivers (4) glaciers
Last Answer : rivers
Description : What is Neutrophil ?
Last Answer : : Blood is the name given to the red fluid that carries nutrients through various ducts in human body. This blood needs fluid to be transported so 55% of the blood is fluid. The remaining 45% ... is 10-12 micrometers. The phagocytosis method prevents the attack of the disease by eating the germs.