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 D
Explanation
The correct answer is choice D. "Currant jelly" stools.
Choice A rationale:
Loose, foul-smelling stools are not characteristic of intussusception. Intussusception is a condition in which a part of the intestine invaginates into another part, causing obstruction. This obstruction often leads to "currant jelly" stools, which are composed of mucus, blood, and sloughed intestinal tissue. Loose stools might be associated with other gastrointestinal issues but are not a hallmark of intussusception.
Choice B rationale:
Ribbon-like stools are characteristic of intussusception. When a section of the intestine telescopes into another section, it can cause the stool to be squeezed into a ribbon-like shape as it passes through the narrowed portion. This description aligns with the pathophysiology of intussusception.
Choice C rationale:
Hard stools positive for guaiac indicate the presence of blood in the stool, but this finding is not specific to intussusception. Guaiac testing detects occult blood, which could be present in various gastrointestinal conditions, including bleeding ulcers or diverticulitis, and not exclusively in intussusception.
Choice D rationale:
"Currant jelly" stools are characteristic of intussusception. As mentioned earlier, these stools are the result of the obstruction and subsequent damage to the intestinal lining, leading to the presence of blood, mucus, and sloughed tissue. This description is a classic sign of intussusception and should raise suspicion for this condition.
Correct Answer is B
Explanation
The correct answers are choices B. Administer Benadryl, and D. Apply a cool compress.
Choice A rationale:
Placing an ace wrap on the bite is not recommended for a brown recluse spider bite. This action could potentially worsen the situation as it might trap venom in the area and increase the risk of necrosis.
Choice B rationale:
Administering Benadryl is a suitable action for alleviating pain and managing allergic reactions related to the bite. Benadryl (diphenhydramine) is an antihistamine that can help reduce itching and inflammation.
Choice C rationale:
Elevating the affected area might not provide significant pain relief for a brown recluse spider bite. Elevating is generally more effective for reducing swelling associated with injuries involving fluid accumulation, like sprains or strains.
Choice D rationale:
Applying a cool compress to the bite area can help alleviate pain and reduce inflammation. Cold therapy constricts blood vessels, which can reduce swelling and numb the area, providing relief.
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