Cytolysis - Study guides, Class notes & Summaries

HESI A2 Biology v2 Questions and Answers Latest 2023 1. A patient receives an antibiotic for symptoms of the flu. Why doesn’t the medication work? a. The medication is for a different type of flu. b. The medication is not suitable for treating the flu. c. The medication is not a strong enough dosage amount to cure the patient. d. None of the above The correct answer is B. Antibiotics are used for treating bacterial infections, but the flu is caused by a virus. Although symptoms can be si...

Final Exam: BIOS 255 / BIOS255 (2024/ 2025 Update) Anatomy and Physiology III Complete Guide | 100% Correct| Grade A -Chamberlain Q: Primary organs of lymphatic system Answer: Red bone marrow and thymus Q: Secondary organs of lymphatic system Answer: Spleen, tonsils, lymph nodes, and MALT Q: Difference between lymph and interstitial fluid Answer: Location Q: Positive selection of B cells Answer: Occurs in Bone Marrow Q: Positive selection of...

BIO 202 IMMUNOLOGY + LYMPHATICS QUESTIONS AND ANSWERS TEST. 2024 ACTUAL UPDATE. • Question 1 The level of thymic hormones 1 out of 1 points Correct Answer: is highest in childhood Multiple choices: remains the same throughout an individual’s lifetime is highest just after puberty is highest at maturity is highest in old age is highest in childhood • Question 2 1 out of 1 points When B and T cells are fully developed and mat...

Bio 101 EXAM PRETEST QUESTIONS WITH VERIFIED ANSWERS LATEST UPDATE Which type of protein would more likely be able to function as a channel through the plasma membrane - ANSWER integral both carrier and ________ proteins are involved in passive transport of molecules through the cell membrane. - ANSWER channel which type of protein binds a specific molecule based upon shape, bringing about a change in shape that causes a cellular response? insulin is a type of hormone that bind...

The first time a cell containing HbSS is deoxygenated, it forms a sickle cell. Upon reoxygenation, which of the following is true for the sickle cell? It will return to a normal biconcave shape. Illustrated in the top image are 10 day old rough, buff, gray-white colonies growing on Middlebrook 7H11 agar. These colonies are commonly recovered from expectorated or induced sputum specimens obtained from patients with signs and symptoms of pneumonia. The appearance of these colonies provide fo...

Which of the following is the body's initial response to injury? a. immune resume b. inflammatory response c. repair and regeneration d. hyperplasia and hypertrophy - inflammatory response What type of inflammation occurs if the injury is minimal and brief and the source is removed from the tissue? A. Fatal B. Acute C. Chronic D. Life-Threatening - Acute During the inflammatory response, the first microscopic event is: A. Dilation of the microcirculation B. Increase permeability of...

Which of the following is NOT TRUE about NK cells? a. Possess cytoplasmic granules containing perforin and granzymes. b. NK cells are involved in the early response to infection with certain viruses and intracellular bacteria and can kill tumor cells. c. NK cells are lymphoid cells. d. Similar to T and B cells, activated NK cells proliferate and differentiate into separate effector cells in order to function. e. Make up 10-15% of human peripheral blood cells. - d. Similar to T and B cells...

Roles of complement system correct answers - direct lysis of cells, bacteria and enveloped viruses -assist with opsonization to facilitate phagocytosis -produce peptide fragment split products which can mediate inflammatory and immune responses classical pathway correct answers -a series of proteins called factors amplifies the immune response -factors circulate in inactive forms -upon activation they attach in an exact sequence CP recognition correct answers (C1= C1q-C1r-C1s) CP en...

Immunology Final Exam Questions with 100% Correct Answers | Latest Version 2024 | Verified Which of the following is NOT TRUE about NK cells? a. Possess cytoplasmic granules containing perforin and granzymes. b. NK cells are involved in the early response to infection with certain viruses and intracellular bacteria and can kill tumor cells. c. NK cells are lymphoid cells. d. Similar to T and B cells, activated NK cells proliferate and differentiate into separate effector cells in or...

A response that is uniquely directed against pathogenic Bordetella pertussis would involve what component? Antibodies First line defenses have what aspect in common with each other? They are physical barriers against invading pathogens. Both the innate and adaptive defenses of the immune system work to prevent the penetration and colonization by pathogens, and the diseases they cause. If a new bacterial pathogen entered a human body through an accidental needle stick, the first cell that woul...

A _____ is a fluid in which a substance is dissolved - Solvent A _______ is a combination of solute and solvent - Solution Another type of lipid in the cell membrane is ______ that makes the membrane more fluid. - cholesterol Attracts water - phosphate heads condition plant cells require (Iso, Hyper, Hypo) - Isotonic condition that animal cells require (Iso, Hyper, Hypo) - Isotonic Embedded in the phospholipid bilayer are ______ that also aid in diffusion and in cell recognition. - prote...