Which clinical manifestation, when found in newborns, may indicate the presence of cystic fibrosis?
Meconium ileus
Cyanosis
Yellow, seedy, loose stools
Coughing
The Correct Answer is A
A. Meconium ileus is a common early sign of cystic fibrosis in newborns. It occurs when the meconium, which is the first stool of a newborn, becomes thick and sticky, leading to a blockage in the intestines. This is often one of the first signs of cystic fibrosis in infants.
B. Cyanosis, while indicative of oxygenation problems, is not a specific sign of cystic fibrosis in newborns. It may be seen in many respiratory or cardiac conditions.
C. Yellow, seedy, loose stools are more commonly associated with normal newborn digestion or conditions like lactose intolerance or gastrointestinal infections, not specifically cystic fibrosis.
D. Coughing is a symptom of cystic fibrosis, but it typically develops later as the disease progresses and affects the lungs, rather than being an early sign in newborns.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Rectal filling is associated with the urge to defecate, not urinate. It is not involved in the micturition process.
B. Mass movements refer to strong, coordinated contractions of the colon, which help move feces toward the rectum. They are related to bowel movements, not micturition.
C. Micturition, or urination, is primarily stimulated by bladder filling. As the bladder fills with urine, stretch receptors in the bladder wall are activated, sending signals to the brain to trigger the urge to urinate.
D. Segmental movement refers to the mixing contractions in the intestines that aid digestion, not the process of micturition.
Correct Answer is D
Explanation
A. While high blood glucose levels can affect nerve function, excessive glucose exposure does not specifically target the brain and spinal cord in a way that causes neuropathy.
B. Neuropathy in diabetes is not caused by the inability to provide glucose to the brain and spinal cord, but rather by the effects of high blood glucose levels on peripheral nerves.
C. Infection in the nerves is not the primary cause of diabetic neuropathy, although infection can occur in diabetic patients due to poor circulation and immune system impairment.
D. Chronic high blood glucose levels can cause thickening of blood vessels, leading to poor circulation (ischemia) that deprives nerves of oxygen and nutrients, ultimately causing nerve damage. This is the primary cause of diabetic neuropathy.
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