ATI RN
ATI the Immune System Test Quizlet Questions
Question 1 of 5
Which of the following would have the highest priority in septic shock?
Correct Answer: B
Rationale: In the scenario of septic shock, the highest priority is to monitor airway, breathing, and circulation (ABC), which is option B. This is because septic shock is a life-threatening condition characterized by a systemic inflammatory response to infection, leading to severe tissue hypoperfusion and organ dysfunction. Monitoring ABC is crucial in ensuring adequate oxygenation and perfusion to vital organs, as compromised airway, breathing, or circulation can rapidly deteriorate the patient's condition and lead to further complications or even death. Option A, monitoring temperature, while important in assessing for signs of infection or systemic response, is not as critical as ensuring the patient has a patent airway, adequate breathing, and proper circulation in septic shock. Option C, monitoring pupillary reaction, is more relevant in assessing neurological status and responses to certain medications or conditions but is not the priority in septic shock where immediate stabilization of ABC is paramount. Option D, monitoring ANA and RF levels, is not a priority in the acute management of septic shock. These laboratory tests are more indicative of autoimmune conditions rather than the immediate needs of a patient in septic shock. In an educational context, understanding the priorities in managing septic shock is crucial for healthcare providers, especially those working in critical care settings. By prioritizing ABC monitoring, healthcare professionals can quickly intervene and provide life-saving interventions to stabilize the patient's condition and prevent further complications. This knowledge is essential for nurses, physicians, and other healthcare providers caring for patients with septic shock to optimize patient outcomes and improve survival rates.
Question 2 of 5
Priority Decision: During care of patients, what is the most important precaution for preventing transmission of infections?
Correct Answer: D
Rationale: In pharmacology, understanding infection control measures is crucial to ensure patient safety and prevent the spread of infections. The most important precaution for preventing transmission of infections is hand washing after touching fluids and secretions and removing gloves, as well as between patient contacts (Option D). Hand hygiene is the cornerstone of infection control as it reduces the risk of spreading pathogens from one patient to another or to healthcare providers. Wearing face and eye protection (Option A) is important in certain situations for protection against splashes, but it is not the most crucial measure for preventing transmission in routine care. Wearing nonsterile gloves (Option B) is essential when in contact with body fluids, but hand hygiene is still the primary preventive measure. Wearing a gown (Option C) is important to protect against soiling clothing, but it is not as critical as proper hand hygiene. In an educational context, teaching the importance of hand hygiene as the primary measure for preventing infection spread reinforces best practices among healthcare providers. Emphasizing the correct sequence of hand washing, glove removal, and when to perform hand hygiene helps ensure compliance with infection control protocols and ultimately enhances patient safety.
Question 3 of 5
Tay-Sachs disease is an autosomal recessive disease. Both parents have been identified as heterozygous. There is a _____% chance that their offspring will be affected.
Correct Answer: D
Rationale: In the case of Tay-Sachs disease, which is an autosomal recessive disorder, both parents being identified as heterozygous carriers means they each carry one normal allele and one mutated allele. When two carriers have a child, there is a 25% chance that the child will inherit two copies of the mutated allele, leading to the manifestation of Tay-Sachs disease. Option A) 40% is incorrect because it does not account for the specific genetic inheritance pattern of autosomal recessive disorders like Tay-Sachs. Option B) 50% is incorrect as it implies a 50-50 chance, which is not the case in autosomal recessive inheritance. Option C) 20% is incorrect as it underestimates the risk due to not considering both parents being carriers. Understanding the principles of Mendelian genetics and genetic inheritance patterns is crucial in pharmacology as it helps healthcare professionals predict the likelihood of certain genetic disorders in families. This knowledge is vital in counseling patients about the risks of passing on genetic conditions to their offspring and in making informed decisions about reproductive choices. It also underscores the importance of genetic testing and counseling in families with a history of genetic disorders.
Question 4 of 5
What accurately describes passive acquired immunity (select all that apply)?
Correct Answer: C
Rationale: Passive acquired immunity is the transfer of pre-formed antibodies from one individual to another. In the context of the options provided: A) Pooled gamma globulin: This is a form of passive acquired immunity where antibodies are collected from multiple donors and administered to provide immediate protection. However, this is not a characteristic unique to passive acquired immunity as it can also be achieved through active immunization. B) Immunization with antigen: This describes active acquired immunity where the individual's immune system is stimulated to produce its antibodies. This is not characteristic of passive acquired immunity. C) Temporary for several months: This is correct as passive acquired immunity provides immediate protection but the transferred antibodies have a limited lifespan in the recipient's body, typically lasting for several months. D) Immediate, lasting several weeks: While passive acquired immunity does provide immediate protection due to the presence of pre-formed antibodies, the duration is longer than several weeks. It typically lasts for several months until the transferred antibodies are metabolized and eliminated. Educational Context: Understanding the distinction between passive and active acquired immunity is crucial in pharmacology and immunology. Passive immunity is useful for providing immediate protection in situations where the individual's immune system is compromised or when rapid protection is needed, but it is temporary. This knowledge is essential for healthcare professionals in determining the most appropriate intervention for different clinical scenarios.
Question 5 of 5
A 69-year-old woman asks the nurse whether it is possible to 'catch' cancer because many of her friends of the same age have been diagnosed with different kinds of cancer. In responding to the woman, the nurse understands that what factor increases the incidence of tumors in older adults?
Correct Answer: D
Rationale: In this scenario, the correct answer is D) Decreased size and activity of the thymus gland. As individuals age, the thymus gland undergoes involution, leading to a decrease in its size and activity. The thymus gland is crucial for the development and maturation of T lymphocytes, which play a key role in immune surveillance against cancer cells. Therefore, a decrease in thymus function can compromise the immune system's ability to detect and eliminate abnormal cells, increasing the incidence of tumors in older adults. Regarding the incorrect options: A) An increase in autoantibodies is not the primary factor contributing to the increased incidence of tumors in older adults. Autoantibodies are antibodies that mistakenly target the body's own tissues and cells, leading to autoimmune diseases, not cancer. B) Decreased activity of the bone marrow primarily affects the production of blood cells, not the development of tumors. C) Decreased differentiation of T lymphocytes may impact immune function but is not as directly linked to the increased incidence of tumors in older adults as the decreased size and activity of the thymus gland. Educationally, understanding the age-related changes in the immune system and their implications for cancer development is crucial for nurses and healthcare providers working with older adult populations. This knowledge can inform patient education, preventive care strategies, and early detection practices to promote better health outcomes in aging individuals.