A goiter is an enlargement or hypertrophy of which gland?
Thyroid.
Posterior pituitary.
Adrenal.
Anterior pituitary.
The Correct Answer is A
Choice A rationale:
A goiter refers to the enlargement or hypertrophy of the thyroid gland. This can occur due to various reasons, such as iodine deficiency, autoimmune disorders like Hashimoto's thyroiditis, or Graves' disease (which is associated with hyperthyroidism). The thyroid gland produces hormones that regulate metabolism and growth, and when it becomes enlarged, it can lead to visible swelling in the neck.
Choice B rationale:
The posterior pituitary gland is responsible for the release of hormones like vasopressin (antidiuretic hormone) and oxytocin. A goiter is not associated with the posterior pituitary gland. Issues with the posterior pituitary can lead to problems with water balance and uterine contractions, but not thyroid enlargement.
Choice C rationale:
The adrenal glands are responsible for producing hormones like cortisol and adrenaline. While adrenal disorders can lead to various hormonal imbalances, a goiter is not related to adrenal gland function. Adrenal issues might cause symptoms like fatigue, weight changes, and blood pressure irregularities.
Choice D rationale:
The anterior pituitary gland produces hormones that regulate the functions of other endocrine glands, including the thyroid gland. However, a goiter is not directly associated with the anterior pituitary. The anterior pituitary's malfunction can result in disorders like growth hormone deficiency or Cushing's disease, but not thyroid enlargement.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
The correct answer is choice A. Slowed growth.
Choice A rationale:
Slowed growth is a potential risk associated with long-term use of inhaled steroids in children with asthma. Inhaled steroids are a cornerstone of asthma management due to their anti-inflammatory effects on the airways, but they can have systemic effects when absorbed in larger amounts. Prolonged use of these steroids can potentially lead to growth suppression in children by affecting the normal growth and development of bones and other tissues.
Choice B rationale:
Osteoporosis is not the primary concern in children taking inhaled steroids. While long-term use of high-dose systemic steroids can lead to bone loss and osteoporosis in adults, the risk of osteoporosis is much lower in children receiving inhaled steroids for asthma management. Inhaled steroids have a lower systemic absorption, reducing the risk of significant bone density reduction in children.
Choice C rationale:
Cushing's syndrome is a condition caused by prolonged exposure to high levels of cortisol, often due to excessive use of systemic steroids. Inhaled steroids, especially at recommended doses, have a lower likelihood of causing Cushing's syndrome compared to systemic steroids. The systemic absorption of inhaled steroids is limited, minimizing the risk of this syndrome.
Choice D rationale:
Cough is not the primary increased risk associated with long-term use of inhaled steroids in children with asthma. Inhaled steroids are actually used to help control and prevent asthma symptoms, including cough. They work by reducing inflammation in the airways, which helps alleviate symptoms like coughing, wheezing, and shortness of breath.
Correct Answer is D
Explanation
The correct answer is Choice D: Jaundice.
Choice A rationale:
Vomiting can occur in biliary atresia due to the blockage of bile flow, but it is not the earliest clinical manifestation. Jaundice tends to precede vomiting and is a more characteristic early sign of biliary atresia.
Choice B rationale:
Hepatomegaly (enlargement of the liver) is a common finding in biliary atresia, but it usually occurs after the onset of jaundice. Jaundice is an earlier and more specific manifestation of this condition.
Choice C rationale:
Absence of stooling is a sign that might occur in biliary atresia due to the obstructed bile flow, but it is not typically the earliest clinical manifestation. Jaundice is generally the first noticeable sign.
Choice D rationale:
Jaundice is the earliest clinical manifestation of biliary atresia. It is caused by the buildup of bilirubin in the blood due to impaired bile flow from the liver. The jaundice in biliary atresia is typically progressive and can be one of the key indicators for further evaluation and diagnosis.
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