Patho Endocrine System

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When describing to a client newly diagnosed with diabetes how insulin is regulated, the nurse will draw upon her knowledge of which hormonal regulation mechanism?

The hypothalamic-pituitary-target cell system

A child is born with dwarfism to normal-sized parents. The physician is explaining how growth hormone (GH) plays a central role in the increase in stature that characterizes childhood and adolescence. What is the first step in the growth hormone chain of events?

The hypothalamus secretes GHRH.

As part of maintaining homeostasis, why are hormones, secreted by endocrine cells, continuously inactivated?

Prevent accumulation

The nurse is caring for a client who is receiving exogenous corticosteroids for rheumatoid arthritis. Recognizing that hormone levels are regulated by negative feedback, which laboratory test result does the nurse anticipate uncovering when reviewing the medical record?

Reduction in ACTH

Hormones that cause the subsequent stimulation or release of another hormone, such as thyroid-stimulating hormone, typically belong to which structural classification?

Peptide proteins and glycoproteins

At times, it is necessary to give medications that suppress the adrenal glands on a long-term basis. When the suppression of the adrenals becomes chronic, the adrenal glands atrophy. What does the abrupt withdrawal of these suppressive drugs cause?

acute adrenal insufficiency

Which hormones illustrate non-vesicle-mediated synthesis? Select all that apply.

aldosterone, cortisol, androgens

When discussing luteinizing hormone and follicle-stimulating hormone with students, the instructor will emphasize that these hormones are under the control of:

anterior pituitary gland

The nurse is caring for an adult client with growth hormone deficiency. When performing an assessment of this client, which system should the nurse be sure to assess for complications related to this disorder?

cardiovascular system

Which hormone triggers the positive feedback mechanism that controls the secretion of luteinizing hormone (LH) levels?

estrogen

Which hormone is secreted based on a cyclic rather than a diurnal manner?

follicle stimulating hormone (FSH)

Which gland acts as a signal-relaying bridge between multiple body systems and the pituitary gland?

hypothalamus

Which pregnant woman likely faces the greatest risk of developing gestational diabetes? A client who:

is morbidly obese (defined as greater than 100 pounds over ideal weight).

What is the most common mechanism of hormone control?

negative feedback

The hormone levels in the body need to be kept within an appropriate range. How is this accomplished for many of the hormones in the body?

negative feedback loop

A nursing instructor is teaching a group of students about the action of hormones. The instructor determined that teaching was effective when the students recognize the local action of hormones as:

paracrine

Select the most common symptoms of diabetes. Select all that apply.

polydipsia, polyuria, polyphagia

Hyperthyroidism that is inadequately treated can cause a life-threatening condition known as a thyroid storm. What are the manifestations of a thyroid storm? Select all that apply.

• Tachycardia • Delirium • Very high fever

The results of a 44-year-old obese man's recent diagnostic workup have culminated in a new diagnosis of type 2 diabetes. Which pathophysiologic process underlies the client's new diagnosis?

Beta cell exhaustion due to long-standing insulin resistance

The major adrenal cortical hormones are steroids and are synthesized from acetate and which other substance?

Cholesterol

An adult client presents to the emergency department after an episode of syncope. Blood pressure is low and the pulse is thready and rapid. The client frequently voids large amounts of pale, clear urine. Lung sounds are clear and skin turgor is inelastic. Which endocrine disorder is the likely cause of these manifestations?

Diabetes insipidus

After having a very stressful day in pathophysiology class, the student knows that which hormone (secreted by the adrenal cortex) will help decrease the effects of stress?

Cortisol (glucocorticoid)

The nurse is caring for a client who has hyperthyroidism. When evaluating the laboratory test results, which alteration does the nurse anticipate will be present?

Decrease in TSH

A client experiences an increase in cortisol as a result of Cushing disease. Which hormonal responses demonstrate the negative feedback mechanism?

Decreased adrenocorticotropic hormone (ACTH)

The nurse is caring for a client with primary hypothyroidism who is being monitored for the complication of myxedema coma while thyroid-level therapy is started. What does the nurse understand are the three major aspects of myxedema coma? Select three that apply.

Elevated carbon dioxide levels and decreased oxygen saturation Fluid and electrolyte imbalance Hypothermia

The nurse is caring for a client who received regular insulin at 7 am. Four hours later the nurse finds the client diaphoretic, cool, and clammy. Which of these interventions is the priority?

Give the client a concentrated carbohydrate.

A client with diabetes will be undergoing an evaluation of the fluctuation of blood glucose over the previous 120-day span. Which test will this client undergo?

Glycosylated hemoglobin

Which hormone is produced by the anterior pituitary gland?

Growth hormones

When the assessment of thyroid autoantibodies is performed, what is the suspected diagnosis?

Hashimoto thyroiditis

When hypofunction of an endocrine organ is suspected, which type of diagnostic test can be administered to measure and assess target gland response?

Hormone stimulation

The nurse is teaching a client diagnosed with Addison disease about the importance of lifetime oral replacement therapy. Which pharmacologic agent would be the drug of choice and included in this teaching plan?

Hydrocortisone

Following a meal, a client's blood glucose level has increased. In addition, the client's pancreas has increased the amount of insulin produced and released. Which phenomenon has occurred?

Increased hormone level according to a negative feedback mechanism

A client comes to the clinic with fatigue and muscle weakness. The client also states she has been having diarrhea. The nurse observes the skin of the client has a bronze tone and when asked, the client says she has not had any sun exposure. The mucous membranes of the gums are bluish-black. When reviewing laboratory results from this client, what does the nurse anticipate seeing?

Increased levels of ACTH

Which options contain a pair of hormones that act to balance each other? Select all that apply.

Insulin and glucagon Calcitonin and parathyroid hormone (PTH)

Which metabolic abnormality can lead to the development of type 2 diabetes?

Insulin resistance

Which finding in a client would support a diagnosis of diabetic ketoacidosis (DKA)? Select all that apply.

Ketonuria Low-serum bicarbonate Blood glucose > 250 mg/dL (13.88 mmol/L)

The most common cause of thyrotoxicosis is Graves disease. When assessing this client, the nurse should put priority on which sign/symptom?

Ophthalmopathy Explanation: Graves disease is characterized by a triad of hyperthyroidism, goiter, ophthalmopathy (exophthalmos), or less commonly, dermopathy (pretibial edema due to accumulation of fluid and glycosaminoglycans). Even in persons without exophthalmos (i.e., bulging of the eyeballs seen in ophthalmopathy), there is an abnormal retraction of the eyelids and infrequent blinking such that they appear to be staring. Although the myxedema of hypothyroidism is most obvious in the face and other superficial parts, it also affects many of the body organs. Common to all types of thyrotoxicosis, rather than unique to Graves disease, cholesterol blood levels are decreased; muscle proteins are broken down and used as fuel, which accounts for the muscle fatigue that occurs with all types of hyperthyroidism.

The newborn nursery nurse is preparing to perform a required neonatal screening for congenital hypothyroidism. What should the nurse do to obtain the necessary sample?

Perform a heel stick to obtain a drop of blood for a T4 and TSH.

A 51-year-old woman has been diagnosed with Cushing syndrome after a diagnostic workup that reveals cortisol hypersecretion. The nurse knows which assessment finding would be inconsistent with her diagnosis?

Poor stress management and hyperpigmentation

A client with diabetes carries insulin with him at all times. At 11:35, he obtains a blood glucose reading of 218 mg/dL (12.1 mmol/L) and self-administers a dose of insulin in anticipation of eating lunch at noon. What type of insulin did he most likely inject?

Short acting

A parent arrives in the endocrinology clinic with her 8-year-old son, concerned about his rapid development and tall stature. What significant assessment finding does the nurse recognize is important to report to the physician related to the development of precocious puberty?

Significant genital enlargement

Research has identified a cycle of insulin-induced posthypoglycemic episodes. What is this phenomenon called?

Somogyi effect

A client is managing diabetes with exercise and diet. The health care provider reviews the client's most recent laboratory results: fasting blood glucose level at 80 mg/dL (4.44 mmol/L) and a hemoglobin A1C of 5% (0.05). Select the response that best identifies the client.

The client is achieving normal glycemic control.

The nurse is providing discharge instructions for a client with Graves disease who has ophthalmopathy. What should the nurse be sure to include in the instructions to decrease exacerbation of this clinical manifestation?

The client should be strongly urged not to smoke.


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