Tumors that affect the pituitary can lead to decreases in some, but not all, hormones released by the pituitary. A patient with such a tumor exhibits fatigue, weight loss, and low blood sugar. This is probably due to lack of production of a. GH, which leads to loss of muscle mass. b. ACTH, which leads to loss of production of glucocorticoids. c. TSH, which leads to loss of production of thyroxin. d. ADH, which leads to excess urine production.

Q: Which of the following is not a correct pair? (a) neurohormone; insect brain hormone (b) calcium;…

A: Hormones are the chemical messengers that gets secreted into blood directly and gets carried to body…

Q: Select the number of the structure from the list above that corresponds to the gland or hormone in…

A: The 'stress hormone' refers to the Cortisol or Hydrocortisone hormone. This is a steroid hormone…

Q: Growth factors are local regulators that(A) are produced by the anterior pituitary.(B) are modified…

A: Growth factors are a of a group of proteins that stimulate the growth of specific tissues. These are…

Q: Explain what is represented in the image (hormone action) in three or four sentences B. Explain what…

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: Which of the following statements about hormone secretion apply to the anterior pituitary gland?   A…

A: The endocrine glands are the ductless glands that release hormones in the blood. These glands are…

Q: When a catecholamine or peptide hormone binds to receptors on the surface of a cell,   A. The…

A: Catecholamines are a group of hormones that are secreted by the adrenal glands that are positioned…

Q: Both the _____ are involved in the synthesis of calcitriol and erythropoietin. a. anterior and…

A: The posterior pituitary (or neurohypophysis) is comprised of altered glial cells (pituicytes) and…

Q: What is NOT an effect of parathyroid hormone (PTH)?a. increased absorption of calcium ions by the…

A: There are four small glands present on the back side of the thyroid glands which are the parathyroid…

Q: 29. Which gland is represented by A in the diagram? a. pituitary gland b. hypothalamus adrenal gland…

A: The ductless gland which secrets specific chemical substances and release them directly into the…

Q: Which of the following correctly describes a difference between the posterior and anterior…

A: The hypothalamus is a structute of brain located anterior and inferior to the thallamus, it is both…

Q: Which of the following can regulate the release of hormone from an endocrine tissue? a)…

A: The endocrine glands are glands that synthesize and secrete hormones. Hormones are substances that…

Q: What are the two hormones released from the posterior pituitary?     a. mineralocorticoid and…

A: The two hormones released from the posterior pituitary is oxyocin and vasopressin. The Posterior…

Q: Compare the process of hormone release from the anterior and posterior pituitary glands.

A: Pituitary gland is an endocrine gland which carries out important functions in the body. It is also…

Q: The hypothalamus (A) synthesizes all of the hormones produced by the pituitary gland. (B) influences…

A: The hypothalamus is a small central area of the human brain that is made up of nerve fibres and a…

Q: Which of the following statements about endocrine signalling hormones is TRUE a) They are only…

A: These can be soluble in both lipids and water. Endocrine signals can pass through blood stream but…

Q: A tropic hormone is one whose function is to Answers: A.stimulate growth and development. B.…

A: A hormone is a regulatory substance produced in an organism and transported in tissue fluids such as…

Q: Hashimoto’s disease is an autoimmune disease where the body’s immune system attacks the thyroid…

A: Introduction  A goitre, also known as a goitre, is a neck swelling caused by an enlarged thyroid…

Q: Growth hormone (GH) is released by which endocrine gland?a. posterior pituitary gland b.…

A: Human Growth hormone (GH), also known as somatotropin, is a peptide hormone made up of a single…

Q: Which of these statements about the hormone insulin is true? a.It is secreted by alpha cells in the…

A: To answer this question we must have knowledge of animal physiology.

Q: Draw a diagram that shows how the secretion of parathyroid hormone is regulated.

A: A biological mechanism that plays a significant role in maintaining homeostasis is called the…

Q: A scientist hypothesizes that the pancreas’s hormone production is controlled by neural stimuli.…

A: Insulin is the hormone made in the pancreas, the gland situated behind the stomach. It helps the…

Q: Metabolic rate is regulated by thyroid hormones. The hypothalamus secretes thyroid-releasing hormone…

A: The correct option is a i.e the hypothalamus would not release Thyroid hormone releasing hormone…

Q: Cells that have receptors for the hormone, where they eventually end up to cause hormonal action are…

A: Cells are the structural and functional units of life and humans are highly advanced living…

Q: Which gland produces hormones via humoral control? A. both thyroid and parathyroid glands B.…

A: A biological mechanism that plays a significant role in maintaining homeostasis is called the…

Q: Blood samples from a young woman named Michelle indicate an elevated blood glucose level. This…

A: For proper functioning of nervous system and all the necessary processes, there is a need to…

Q: which are/is true? select those that apply. A. insufficient growth releasing hormone (GHRH) results…

A: Hormones regulate various functions in the body and any imbalance can cause a disorder. There could…

Q: Thyroid-stimulating hormone stimulates which of the following? a. anterior pituitary to release its…

A: Step 1 Hormones are chemicals produced by endocrine cells which are transported by the circulatory…

Q: Which of these is composed of neural tissue, as opposed to glandular tissue? A. The anterior…

A: Normally, hormones secreted by the brain control the secretion of other types of hormones. The…

Q: Grave's disease is caused by the overproduction of immunoglobulins that mimic the shape of TSH and…

A: Grave's disease is an autoimmune disorder which causes hyperthyroidism by producing antibodies to…

Q: Goiter, a disease caused by iodine deficiency, results in the inability of the 1p thyroid gland to…

A: The swelling of the neck due to the enlargement of the thyroid gland is called a goitre. Iodine…

Q: Compare the effects of an excess and a deficit of growthhormone in a child and an adult.

A: Pituitary gland It is also called as master gland that plays a vital role in body function…

Q: Suppose you are lost in concentration while studying biology. Suddenly, the phone rings and it…

A: Introduction The adrenal glands are the endocrine gland. It is situated above the kidney. There are…

Q: Parathyroid hormone: a) is secreted when blood calcium levels are too high. b) is required for the…

A: Parathyroid gland is an endocrine gland which plays an important role in the homeostasis of calcium…

Q: When blood calcium levels are low, PTH stimulates ________. a. urinary excretion of calcium by the…

A: When blood calcium levels are low, PTH stimulates osteoclasts, which are cells that cause bone to be…

Q: If the concentration of a plasma carrier was diminished, what would this do to the half-life of a…

A: Introduction:- There are different types of molecules and chemicals including hormones which are…

Q: Which statement about the adrenal gland is false?  A)The adrenal medulla responds to signals from…

A: adrenal glands, are two small glands located above the kidneys.The outer part is called adrenal…

Q: Which of these is not a means by which hormones are eliminatedfrom the circulatory system?a.…

A: Hormones can be defined as molecules produced mainly by the endocrine glands. Hormones can travel…

Q: ACTH is a hormone that is secreted from the ___________pituitary and stimulates _____________…

A: ACTH is a hormone made by the pituitary gland, a small gland at the base of the brain. ACTH controls…

Q: Which of the following is not a general process controlled by the endocrine system? a. development,…

A: For the regulation of other organs in the body, the endocrine system in response to internal signals…

Q: A tumor in the pituitary gland can cause a woman to produce milk even when she is not pregnant. In…

A: The endocrine system in our body is responsible for the proper control, coordination, and function…

Q: What would happen to male hormone levels if the hypothalamus produced gonadotropic releasing hormone…

A: Releasing hormone and inhibiting hormone are secreted by the hypothalamus. They indirectly control…

Q: Calcitonin is a protein hormone that is produced by the parafollicular cells (C-cells) of the…

A: Hormones are chemical messengers produced in the body, which control and regulate the activity of…

Q: Without sufficient iodine the thyroid gland cannot synthesize thyroid hormone. This lack of…

A: Thyroid gland  It is located in the base of the neck and the shape look like a butterfly. It is an…

Q: ADH is: a.      produced in the posterior pituitary b.      a neural hormone c.      carried in the…

A: Antidiuretic hormone is also called as vasopressin and it is a hormone which is secreted by…

Sleep Physiology

Sleep is a condition of reduced muscle movement in the body. Awareness about the surroundings is reduced at the time of sleep. The body stays mildly responsive or non-responsive to external stimuli. The sleep-wake cycle is controlled by the circadian rhythm that produces a resting phase for the body.