ATI RN
Free Pediatric CCRN Practice Questions Questions
Question 1 of 5
The nurse is teaching a patient newly diagnosed with AIDS about complications of the disease. Which of the following is the most common opportunistic infection in AIDS?
Correct Answer: A
Rationale: Pneumocystis carinii pneumonia (PCP) is the most common opportunistic infection in individuals with AIDS. PCP is caused by a fungus called Pneumocystis jirovecii (formerly known as Pneumocystis carinii). Patients with AIDS have compromised immune systems, making them susceptible to opportunistic infections like PCP. This infection can be life-threatening if not treated promptly with appropriate antibiotics. Symptoms of PCP include fever, cough, and difficulty breathing. Early recognition and treatment of PCP are crucial in patients with AIDS to prevent severe complications.
Question 2 of 5
A client with lung cancer develops Homer's when the tumor invades the ribs and affects the sympathetic nerve ganglia. When assessing for signs and symptoms of this syndrome, the nurse should note:
Correct Answer: A
Rationale: Homer's syndrome, also known as Horner's syndrome, is a rare condition that occurs when the sympathetic nerve supply to the eye and face is disrupted. In the case of lung cancer invading the ribs and affecting the sympathetic nerve ganglia, it can lead to Homer's syndrome. The classic triad of symptoms in Homer's syndrome includes miosis (constriction of the pupil), partial eyelid ptosis (drooping of the upper eyelid), and anhidrosis (lack of sweating) on the affected side of the face. These symptoms result from the disruption of sympathetic nerve pathways affecting the pupillary dilator muscle, the Müller muscle responsible for eyelid elevation, and sweat glands on one side of the face. Therefore, when assessing for signs and symptoms of Homer's syndrome in this client, the nurse should focus on looking for these specific manifestations.
Question 3 of 5
All the following are compatible with the definition of obstructive sleep apnea EXCEPT
Correct Answer: D
Rationale: Oxygen desaturation of 2-30% is too low to define mild-to-moderate sleep apnea.
Question 4 of 5
A client with cancer that has metastazised to the liver is started on chemotherapy- His physician has specified divided doses of the antimetabolite. The client asks why he could take the drug in divided doses. The appropriate response is:
Correct Answer: D
Rationale: The correct response is D, "Because these drugs prevent cell division, they are more effective in divided doses."
Question 5 of 5
A client is diagnosed with human immunodeficiency virus (HIV). After recovering from the initial shock of the diagnosis, the client expresses a desire to learn as much as possible about HIV and acquired immunodeficiency syndrome (AIDS). When teaching the client about the immune system, the nurse states that adaptive immunity is provide by which type of white blood cell?
Correct Answer: D
Rationale: Lymphocytes are the type of white blood cells that provide adaptive immunity. There are two main types of lymphocytes: B cells and T cells. B cells produce antibodies that can specifically recognize and target certain pathogens (including HIV), while T cells have various functions in the immune response, such as directly killing infected cells or helping other immune cells. Adaptive immunity is characterized by the body's ability to remember specific pathogens and mount a targeted response upon subsequent exposures. In the context of HIV and AIDS, understanding the role of lymphocytes in adaptive immunity is essential for the client to comprehend how the virus affects the immune system and why immune function becomes compromised over time.