Chapter 40: endocrine mechanisms

When explaining about structural classifications to a group of students, the instructor discusses the peptides and proteins. They talk about small hormones and hormones as large and complex as growth hormones, which approximately how many amino acids involved

200 amino acids

A patient exhibiting problems with his or her thyroid has been scheduled for a radioactive scan. From the following list of patients, what would the nurse question as to whether this would be a safe procedure for this patient?

A young female who has been trying to get pregnant

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

Adjustment according to the level of the substance of hormone regulates

Which of the following hormones are Derivatives of cholesterol?

Aldosterone and testosterone

A nurse who works in the office of an endocrinologist is orienting a new staff member. Which of the following teaching points is a nurse justified and including in the orientation? Select all that apply

Bodily processes can be the result of the combined effect of several different hormones from different sources, the single hormone can act not only has one process or Oregon but often on several different locations are processes, it's common for production of hormones to be far removed from the tissue were they ultimately exert their affect, sometimes Harmons act locally on the area where they were produced like in the case of paracrine an autocrine actions

A 38-year-old woman takes clomiphene, and in fertility drugs that works by competing with and they are by blocking cell receptors for estrogen. Which of the following statements is most likely to be true this client?

Estrogen will continue to pass freely through the cellular membranes

If 51-year-old woman has been experiencing signs and symptoms of perimenopause and has sought help from her family physician. A deficiency in estrogen levels has been determined to be a contributing factor. Which of the following phenomenon could potentially underlie the woman's health problem?

Insufficient estrogen production within a smooth endoplasmic reticulum of the relevant cells

Neurotransmitters like catecholamines or dopamine and epinephrine have a reaction time of

Milliseconds

Which of the following best describes the half-life of a highly protein bound drugs which is thyroxine 99% protein bound? The half-life would be

Much longer to reduce the concentration of the hormone by 1/2

And example of a single hormone that can Exert affects in different tissues, erythropoietin, is made in the kidneys stimulates the bone marrow to produce

Red blood cells

Which of the following statements best captures the essence of a second messenger in the mechanisms of the endocrine system?

Second messengers act as the intracellular signal that responds to the presence of a hormone.

Which of the following statements best captures an aspect of the role of hormones in the body?

Some chemical substances can function as hormones or be integrated with the central and peripheral nervous system's

21-year-old female suspected of having an adequate function of her hypothalamic pituitary thyroid system. Her care provider is planning to inject thyrotropin releasing hormone or TRH and then measure her levels of TSH. Which of the following diagnostic test has been performed?

Stimulation test

During the follicular stage of ministration, increased estradiol production causes an increase in FSH production. This increase an FSH production by the interior pituitary gland will have one affect on the follicule?

The follicle will die which results in a fall of FSH

A middle-aged woman has acromegaly as a result of a pituitary Adenoma that was found and removed and she was a teenager. The physician is suspecting that the tumor has returned and has ordered a diagnostic work up. Glucose load is ordered. If the tumor has returned, the nurse would expect which of the following results?

The growth hormone level will not be suppressed following glucose load

Which of the following statements best captures the relationship between the hypothalamus and pituitary gland as it relates to endocrine function?

The hypothalamus receive input from numerous sources throughout the body and directs the pituitary to the control many target glands and cells

Since steroid hormones are balanced approach in carriers for transport, this means

They are in active in the bound state

A 48-year-old woman has been found to have nodules on her thyroid that must be biopsy to determine whether or not they are malignant. Which of the following imaging techniques will be most helpful to the surgeon and visualization of the notes for fine needle aspiration?

Ultrasound

A client with a history of endocrine disorder is a bit signs and symptoms of hormone deficiency. Which of the following processes with the clients care team most likely rule out first as a contributing factor?

Up regulation has increase the sensitivity of the body to particular hormone levels

A client with a new diagnosis of an endocrine disorder is unclear how the body can control the levels of different hormones over time. Which of the following statements most accurately underlies the dominant regulation process of hormone levels in the body?

With input from various sensors, hormone production and release are adjusted based on existing hormone levels.