Describe how stress promotes water retention, which can lead...

Describe how stress promotes water retention, which can lead to weight gain. a. Stress decreases osmolality, which increases antidiuretic hormone secretion. Antidiuretic hormone helps retain water. b. Stress increases osmolality, which increases antidiuretic hormone secretion. Antidiuretic hormone helps retain water. c. Stress increases osmolality, which decreases antidiuretic hormone secretion. Antidiuretic hormone helps with water loss. d. Stress decreases osmolality, which decreases antidiuretic hormone secretion. Antidiuretic hormone helps with water loss.

Describe how stress promotes water retention, which can lead to weight gain.
a. Stress decreases osmolality, which increases antidiuretic hormone secretion. Antidiuretic hormone helps retain water.
b. Stress increases osmolality, which increases antidiuretic hormone secretion. Antidiuretic hormone helps retain water.
c. Stress increases osmolality, which decreases antidiuretic hormone secretion. Antidiuretic hormone helps with water loss.
d. Stress decreases osmolality, which decreases antidiuretic hormone secretion. Antidiuretic hormone helps with water loss.

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Key Concepts

Stress Response

The stress response involves activation of the hypothalamic-pituitary-adrenal (HPA) axis, leading to the release of various hormones such as cortisol and antidiuretic hormone. These hormones work together to prepare the body for perceived threats and also affect fluid balance, metabolism, and other bodily functions.

Osmolality Regulation

Osmolality refers to the concentration of solutes in body fluids and plays a crucial role in maintaining homeostasis. The body monitors osmolality to regulate fluid balance; when osmolality changes, osmoreceptors trigger hormonal responses to adjust water retention or excretion.

Antidiuretic Hormone (ADH)

Antidiuretic hormone, or vasopressin, is secreted by the posterior pituitary gland and is pivotal in controlling water balance in the body. ADH acts on the kidneys to increase water reabsorption, reducing urine volume and promoting water retention.

Water Retention and Weight Gain

Water retention is the process of the body holding onto excess fluid, which can lead to an increase in body weight. This can be a result of stress-induced hormonal changes, particularly increased ADH release in response to altered osmolality, contributing to the observed weight gain.

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