A client presents with yellowing of the eyes and skin.
Which of the following should the nurse evaluate as a potential cause of this condition?
Appendicitis.
Cirrhosis.
Ulcerative colitis.
Diverticulosis.
The Correct Answer is B
Choice A rationale
Appendicitis is the acute inflammation of the vermiform appendix, typically caused by an obstruction of the appendiceal lumen. This condition usually presents with periumbilical pain that migrates to the right lower quadrant, fever, and leukocytosis. It does not involve the biliary system or the liver's metabolic pathways. Therefore, it does not lead to the accumulation of bilirubin in the bloodstream or the resulting yellowing of the skin and sclera known as jaundice.
Choice B rationale
Cirrhosis is characterized by extensive scarring of the liver tissue, which replaces functional hepatocytes with non-functional fibrotic tissue. This damage impairs the liver's ability to conjugate and excrete bilirubin, a byproduct of red blood cell breakdown. When bilirubin levels exceed the normal range of 0.3 to 1.2 mg/dL, it deposits in the tissues, causing the yellow discoloration known as icterus or jaundice. This finding is a classic clinical indicator of liver dysfunction.
Choice C rationale
Ulcerative colitis is a chronic inflammatory bowel disease that primarily affects the mucosal layer of the colon and rectum. While it can have extra-intestinal manifestations, such as primary sclerosing cholangitis which could cause jaundice, the disease itself is localized to the large intestine. The primary symptoms are bloody diarrhea, abdominal cramping, and urgency. It is not a direct or common cause of jaundice in the same way that primary liver disease is.
Choice D rationale
Diverticulosis is the presence of small, bulging pouches in the digestive tract, most commonly in the sigmoid colon. This condition is often asymptomatic unless the pouches become inflamed or infected, a state known as diverticulitis. It is a structural abnormality of the intestinal wall and does not affect the liver's ability to process bile or bilirubin. Consequently, it has no physiological link to the development of jaundice or yellowing of the skin.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
The tricuspid valve is one of the two atrioventricular valves, specifically located on the right side of the heart. Its primary function is to allow blood to flow from the right atrium into the right ventricle during diastole while preventing the backflow of blood into the atrium during ventricular systole. It consists of three leaflets or cusps. Understanding this anatomy is crucial for assessing right-sided heart function and identifying murmurs associated with tricuspid regurgitation or stenosis.
Choice B rationale
The valve located between the left ventricle and the aorta is the aortic valve, which is a semilunar valve. It opens during ventricular systole to allow oxygenated blood to be pumped into the systemic circulation and closes during diastole to prevent blood from leaking back into the left ventricle. This is a high-pressure valve on the left side of the heart, whereas the tricuspid valve is a lower-pressure valve located on the right side.
Choice C rationale
The valve located between the right ventricle and the pulmonary artery is the pulmonary valve, another semilunar valve. This valve facilitates the flow of deoxygenated blood toward the lungs for gas exchange while preventing backflow into the right ventricle during relaxation. While it is on the right side of the heart, it is not the tricuspid valve; the tricuspid valve is positioned upstream of the pulmonary valve between the atrium and ventricle.
Choice D rationale
The valve located between the left atrium and the left ventricle is the mitral valve, also known as the bicuspid valve. Like the tricuspid valve, it is an atrioventricular valve, but it is situated on the left side of the heart and consists of only two leaflets. It ensures the one-way flow of oxygen-rich blood into the left ventricle. Confusing the tricuspid and mitral valves is a common error, but they serve opposite sides of the heart.
Correct Answer is A
Explanation
Choice A rationale
The post-ictal phase is the recovery period that occurs immediately after a seizure ends. During this time, the brain is recovering from the intense electrical activity of the tonic-clonic event. Patients commonly experience deep sleep, confusion, fatigue, and difficulty with arousal as neurotransmitter levels and metabolic functions return to baseline. This phase can last from minutes to hours and is a normal, expected component of the seizure cycle following the convulsive stage.
Choice B rationale
An aura is a focal neurological phenomenon that occurs before the onset of a seizure, often serving as a warning sign. It may manifest as sensory distortions, such as smelling something unusual or seeing flashes of light. Since an aura happens prior to the ictal or convulsive phase, it cannot describe the sleeping and unresponsive state that occurs one hour after the seizure has finished. Auras represent the beginning of abnormal electrical activity in a specific area.
Choice C rationale
An absence seizure, formerly known as petit mal, is a brief lapse in consciousness often characterized by staring into space or subtle eyelid fluttering. These seizures usually last only seconds and do not involve the violent tonic-clonic movements or a prolonged, difficult-to-arouse recovery period. The patient in this scenario had a tonic-clonic seizure, which is a generalized convulsion, making the classification of an absence seizure incorrect based on the severity and the described post-event state.
Choice D rationale
A behavioral disorder refers to a persistent pattern of disruptive or antisocial behavior that deviates from cultural norms. Difficulty arousing a patient following a major medical event like a tonic-clonic seizure is a physiological consequence of brain exhaustion and not a psychological or behavioral condition. Labeling this transient medical state as a behavioral disorder would be a clinical error, as it ignores the underlying neurological recovery process known as the post-ictal period.
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