Medical Assistant Ethics - Chapters 3 & 4

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Questions and Answers

What method is used to confirm a positive result from antibody tests for HIV?

  • Western blot (correct)
  • Rapid HIV tests
  • Fourth-generation algorithm
  • Antigen tests

Which HIV test detects the virus 1 to 3 weeks after exposure?

  • Fourth-generation algorithm
  • Antigen tests (correct)
  • Rapid HIV tests
  • Antibody tests

What is the primary function of HIV viral load monitoring?

  • To confirm the presence of HIV antibodies
  • To perform home testing for HIV
  • To predict the risk of HIV progressing to AIDS (correct)
  • To determine the effectiveness of antiretroviral therapy

What is the main characteristic that distinguishes malignant tumors from benign tumors?

<p>Ability to invade other tissues (B)</p> Signup and view all the answers

Which of the following tests combines antibody and antigen detection for improved HIV identification?

<p>Fourth-generation algorithm (D)</p> Signup and view all the answers

How long might it take for antibodies to HIV to become detectable in a blood test?

<p>1 to 4 months (B)</p> Signup and view all the answers

What does lack of contact inhibition in cancer cells imply?

<p>They continue to grow and invade surrounding tissues (D)</p> Signup and view all the answers

Which statement is true regarding home testing for HIV?

<p>OraQuick uses an oral swab to obtain results (A)</p> Signup and view all the answers

What characterizes the early signs of HIV infection?

<p>Flu-like illness including headache, fever, and fatigue (D)</p> Signup and view all the answers

Which statement is true regarding the prevalence of HIV?

<p>The AIDS epidemic is primarily prevalent in sub-Saharan Africa (C)</p> Signup and view all the answers

What type of immunity is described as temporary and derived from an external source?

<p>Passive immunity (D)</p> Signup and view all the answers

In which region is HIV-2 predominantly found?

<p>Western Africa and India (D)</p> Signup and view all the answers

What is a common consequence of HIV infection after many years?

<p>Development of opportunistic infections (B)</p> Signup and view all the answers

What is predominantly responsible for the initial formation of antibodies upon antigen exposure?

<p>IgM (D)</p> Signup and view all the answers

Which function is primarily associated with Memory T cells?

<p>They provide immediate response to previously encountered antigens. (A)</p> Signup and view all the answers

What is a recognized early sign of HIV that often goes unnoticed?

<p>Asymptomatic phase with no noticeable symptoms (A)</p> Signup and view all the answers

What is one of the early signs and symptoms of HIV infection?

<p>Short-term memory loss (A)</p> Signup and view all the answers

Which of the following medications is classified as a nucleoside reverse transcriptase inhibitor (NRTI)?

<p>NRTIs (A)</p> Signup and view all the answers

What percentage of AIDS patients experience neurologic symptoms?

<p>60 percent (B)</p> Signup and view all the answers

What is the purpose of fusion inhibitors in HIV treatment?

<p>They prevent the virus from entering healthy T cells. (C)</p> Signup and view all the answers

Which of the following infections is commonly associated with AIDS?

<p>Pneumocystis carinii pneumonia (B)</p> Signup and view all the answers

What is the main effect of highly active antiretroviral therapy (HAART)?

<p>It reduces AIDS deaths significantly. (D)</p> Signup and view all the answers

What type of symptoms can result from brain infections in AIDS patients?

<p>Neurologic symptoms (B)</p> Signup and view all the answers

What initial event was well documented marking the onset of AIDS in the U.S.?

<p>Cases of pneumonia caused by Pneumocystis carinii (C)</p> Signup and view all the answers

Flashcards

Asymptomatic Period in HIV

A period in HIV infection where the virus is actively replicating, but the infected person shows no symptoms, and is still contagious.

T Helper Cells

Immune cells that are specifically targeted and destroyed by HIV, leading to weakened immune system.

AIDS (Acquired Immunodeficiency Syndrome)

A condition where the immune system is severely compromised due to the destruction of T helper cells by HIV, making the body susceptible to opportunistic infections.

Antiretroviral Therapy (ART)

Specific medications used to treat HIV infection by inhibiting viral replication and entry into cells.

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Pneumocystis carinii Pneumonia

A type of pneumonia caused by a fungus, often occurring in individuals with weakened immune systems like AIDS patients

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Kaposi's Sarcoma

A type of cancer that appears as purplish blotches on the skin, often associated with AIDS.

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Candidiasis

A yeast infection that can affect the mouth, esophagus, and vagina, commonly occurring in those with AIDS.

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Opportunistic Infections

A collection of infections or cancers that take advantage of a weakened immune system, frequently seen in individuals with AIDS.

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Antibodies

Proteins produced by the body's immune system in response to a foreign substance, like a virus. These proteins can help identify and neutralize the virus.

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Antibody Test

A common type of HIV test that detects antibodies against the virus in a blood sample.

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Fourth-Generation Test

A type of HIV test that detects both antibodies and antigens (viral proteins) in the blood. This can detect HIV infection earlier than antibody tests alone.

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Western Blot

A test that confirms a positive result from an antibody test by detecting specific viral proteins. This helps rule out false positives.

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Benign Tumor

A tumor that is non-cancerous, usually slow-growing, and does not spread to other parts of the body.

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Malignant Tumor

A cancerous tumor that can invade surrounding tissues and spread to other parts of the body.

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Abnormal Cell Structure in Cancer Cells

Cancer cells have an altered cell structure that includes an increased nuclear size, irregular chromatin distribution, and prominent nucleoli.

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Uncontrolled Growth in Cancer Cells

Cancer cells do not respond to normal growth-controlling mechanisms. They continue to grow and divide uncontrollably.

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Memory T Cell

A type of T cell that remembers specific antigens from previous encounters, allowing for a faster and more effective immune response upon re-exposure.

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Suppressor T Cell

A type of T cell that suppresses the immune response after an infection is controlled, preventing excessive inflammation and damage.

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IgA (Immunoglobulin A)

An antibody found in body fluids like saliva and tears, protecting against pathogens entering the body.

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IgD (Immunoglobulin D)

An antibody located on B cell membranes, believed to regulate their activity.

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IgE (Immunoglobulin E)

An antibody involved in fighting parasites and allergic reactions.

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IgG (Immunoglobulin G)

The most abundant antibody, found in tissues and blood, fighting both bacteria and viruses.

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IgM (Immunoglobulin M)

An antibody found in blood that effectively kills bacteria and is responsible for the initial antibody response.

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Active Immunity

Immunity acquired through exposure to antigens, like vaccines, which create memory cells and long-lasting protection.

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Study Notes

Chapters 3 & 4 - Everything

  • Medical assistant ethics involve daily ethical dilemmas, balancing patient confidentiality with public safety, and judging provider performance. The law provides tools to address these issues and standards for evaluating providers, while medical assistants are obligated to follow societal rules and relevant laws.
  • Legal requirements for medical assistants don't need to cover every specificity but should include basic legal knowledge. Ethical dilemmas often arise when resolving conflicts between differing moral principles.
  • Understanding the difference between law and ethics is crucial. Law encompasses legal definitions, types of law (criminal vs. civil), and liability insurance. Ethics includes professional, organizational, and personal ethical considerations. Differentiating ethical and moral judgments is also necessary.
  • Common law develops through court decisions and precedents, evolving over time. State law is enacted by state legislatures and addresses matters like criminal, family, and property laws, differing between states.
  • Federal law is enacted by Congress and applies nationally, including issues such as immigration, bankruptcy, and civil rights. It takes precedence over conflicting state laws.
  • Arbitration is a binding decision made by a neutral third party, often used in disputes. Mediation facilitates communication between disputants without making a decision. Medical malpractice occurs when a doctor falls short of normal care, skill, and procedure.
  • Malpractice insurance covers errors and omissions, but not criminal acts. Employers may provide this type of coverage, or medical assistants may need to purchase it. Personal liability insurance protects against bodily injury or property damage to others. Criminal law deals with acts prohibited by law and involves statutes, defendants, and plaintiffs.
  • Civil law addresses the conduct of people and entities with a lower standard of proof. Misdemeanors are punishable by less than a year, while felonies involve longer sentences. Torts, a common law branch, cover accidental and intentional actions like defamation (slander/libel). Negligence occurs when a person fails to exercise reasonable care, affecting duty, breach, causation, and damages.
  • Immune system components discussed - lymph nodes, lymphocytes, spleen, thymus glands. Immune function, and antigens/antibodies discussed in relationship to the immune system.
  • Standard of care—the expected level of caution and attention from a person in similar circumstances (related to medical practice). Defenses against medical malpractice include the statute of limitations.

Other Topics

  • Civil law: Collection of statutes & case law about people & entities. Includes infractions (not crimes). Standard of proof (preponderance of evidence). O.J. Simpson case example.
  • Misdemeanors: Less severe crimes (less than a year in jail), handled in local or municipal courts, may include probation or community service. Examples include vandalism.
  • Felonies: More severe crimes (over a year in prison, possible death penalty), handled in state or federal courts. Consequences like loss of voting rights. Examples include murder.
  • Torts: A branch of common law dealing with wrongs (Latin term "tortum"). Includes unintentional (car accidents) and intentional (libel/slander) torts. Includes compensatory and punitive damages for harm.

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