ATI RN
Basic Immune System Quizlet Questions
Question 1 of 5
What is the role of angiogenesis in cancer progression?
Correct Answer: C
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 2 of 5
A patient with a pH of 7.29 has metabolic acidosis. Which value is useful in determining whether the cause of the acidosis is an acid gain or a bicarbonate loss?
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 3 of 5
T-cell receptors or antibodies react with antigens
Correct Answer: B
Rationale: The correct answer is B because T-cell receptors and antibodies recognize antigens through complementary molecular fit. This interaction is based on the specific shape of the antigen-binding site on the receptor or antibody matching the shape of the antigen. This molecular complementarity allows for strong and specific binding between the antigen and the receptor/antibody. Choices A and C are incorrect as the presence of lymphocytes or specific polypeptide chains alone does not explain the mechanism of antigen recognition. Choice D is incorrect because histamine release is not directly related to the interaction between T-cell receptors or antibodies with antigens.
Question 4 of 5
Which of the following statements best characterizes an antibody?
Correct Answer: D
Rationale: Rationale for Correct Answer D: 1. Antibodies are composed mainly of proteins, specifically immunoglobulins. 2. Antibodies are synthesized in response to foreign proteins or polysaccharides, known as antigens. 3. This process involves B cells recognizing antigens and producing antibodies. 4. The statement accurately reflects the nature of antibody structure and synthesis. Summary of Incorrect Choices: A: Antibodies do not contain RNA as their basic structure; they are primarily composed of proteins. B: Antibodies can be distinguished from albumin fraction as they have specific functions in the immune system. C: Antibodies consist of two heavy and two light chains, not four identical protein subunits, and are not typically dissociated by urea.
Question 5 of 5
The nurse is caring for a patient who works as a legal secretary. The patient asks the nurse about ways to avoid developing carpal tunnel syndrome (CTS). Which action should the nurse suggest?
Correct Answer: C
Rationale: The correct answer is C: "Acquire a pad to support your wrists while typing." This is the best option as wrist supports can help maintain neutral wrist positioning, reducing strain on the median nerve and decreasing the risk of developing CTS. A: "Exercise your wrists with repetitive flexion movements nightly." - This can actually worsen the symptoms of CTS by putting more strain on the wrists. B: "Wrap your wrists with elastic bandages." - Elastic bandages do not provide the necessary support and may restrict blood flow. D: "Apply warm compresses to wrists every evening." - While warm compresses can provide temporary relief for symptoms, they do not address the underlying cause of CTS.