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Tonometer is the diagnostic test nurse should anticipate for an older adult client seeks medical attention for an acute onset of severe eye pain, headache, nausea, and vomiting.
A tonometer is used to measure intraocular pressure on the anesthetized cornea to confirm the diagnosis of acute glaucoma. After an acute incident, an iridectomy may be done to avoid future occurrences of acute glaucoma.
Acute glaucoma is characterized by a rapid onset of acute unilateral eye discomfort or a headache, blurred vision, rainbow-colored halos surrounding bright lights, nausea, and vomiting. A fixed midway pupil and hazy or foggy cornea with noticeable conjunctival injection will be shown during the physical exam.
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Answer:
With respect to the anterior pituitary gland, it is true that it is often referred as the "master gland" of the endocrine system (option C).
Explanation:
The pituitary gland —also called hypophysis— divided into two parts, an anterior part called the adenohypophysis and a posterior part called the neurohypophysis.
The adenohypophysis or anterior pituitary gland is in charge of the secretion of hormones that serve to regulate the hormonal secretion of other glands, such as the thyroid, the suprarenal glands and the gonads. This is the reason why it is considered and often referred as the "master gland" of the endocrine system.
The neurohypophysis depends on the control of the hypothalamus and the neurotransmitters that this structure sends to the pituitary, releasing hormones whose effect is direct on the target organ.
The other options are not correct because:
<em> A. Anterior pituitary does not </em><u><em>release hormones made by the neurons in the hypothalamus</em></u><em>.
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<em> B. Adenohypophysis has </em><u><em>hormone-producing cells</em></u><em>.
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<em> D. The anterior pituitary is </em><u><em>not regulated by the hypothalamus and is considered part of the endocrine system</em></u><em>.</em>
