Which of the following statements is false?a. The suprachiasmatic nucleus is often called the body’s “master clock.”b. Melatonin and the ventrolateral preoptic nucleus increase the activity of the reticular formation.c. A decrease in the activity of the reticular formation disconnects the thalamus from the cerebral cortex and decreases the level of consciousness.d. Orexins are neurotransmitters that stimulate the reticular formation.

Q: ndicate whether the following statements about the pituitary glands are TRUE or FALSE. If the…

A: The hypothalamus and the pituitary are considered as the command center because they produce several…

Q: If you travel across several time zones to the east and want to use melatonin to help reset your…

A: The hormone that induces sleep is secreted by the pineal gland is known as Melatonin. In order to…

Q: Females with hormone-secreting tumors of the adrenal cortex occasionally develop male secondary sex…

A: Zona reticulata layer of adrenal cortex secretes sex corticoids (Dihydroepiandrosterone and…

Q: The motor speech area of the brain, controlling muscles involved in vocalization, is also called:…

A: Broca area is present in frontal lobe of dominant hemisphere mostly the left part of brain. It helps…

Q: The posterior pituitary stores and secretes: O PTH and calcineurin O Insulin and glucagon O…

A: Hormones Known to travel in the complete bloodstream and are responsible for different moods, and…

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: A person who is hemorrhaging (losing lots of blood) may experience which of the following symptoms…

A: Hemorrhaging i.e. severe blood loss from body  can result because of various reasons  and is very…

Q: Diabetes insipidus has been identified in two males. One person did not have the condition until he…

A: Diabetes insipidus is a diseases that is caused due to electrolyte imbalance in the body that can…

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: The hypothalamus and the pituitary gland are physically connected bya. arteries.b. the infundibular…

A: Answer is b.) the infundibular stalk and portal veins.

Q: Which states are contraindications for surgical treatment of goiter? A. Diffuse toxic goiter in…

A: We know that Thyroidectomy or surgical intervention for goiter is contraindicated in the case of…

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: Choose the best from the below  ? Which of the following acts as the link between the nervous…

A: Hypothalamus: The hypothalamus is the Basal part of diencephalon, forebrain and it regulates a wide…

Q: The production of melatonin is inhibited by ________. a. declining levels of light b. exposure to…

A: melatonin production increases In the evening when the light goes dim in the blood causing…

Q: This structure is a unique vascular system connecting the hypothalamus to the anterior pituitary,…

A: Hypothalamus is a region of the brain, which secretes substances that influence the pituitary…

Q: The hypothalamus contains the feeding and thirst control center. A. True B. False

A: Hypothalamus is a small mass of grey matter that is present below the cerebrum. The regulation of…

Q: The term “central nervous system” is used to refer to which of the following?     a. The brain and…

A: The brain and spinal cord make up the central nervous system. It's called "central" because it…

Q: Sexual arousal results in a generally positive sympathetic response, e.g. increased heart rate,…

A: An erection is defined as the physiological condition in which the penis becomes firm, engorged, and…

Q: Select the best answer or answers from the choices given: Some hormones act by (a) increasing the…

A: Hormones are chemicals that act as messengers and are involved in signal transduction. The result of…

Q: Most people are awake during the day and asleep at night because their ________ cycles are aligned…

A: To find: To find the correct option related to sleep from the given information

Q: While going for a quiet walk in the woods, you suddenly come across a very angry bear, a) How does…

A: When in danger, our body reacts spontaneously to cope up with the situation. This involves multiple…

Q: Women who are completely blind tend to undergo puberty at an earlier age than sighted women. They…

A: Melatonin is a hormone produced by the pineal gland of the brain and is released into the…

Q: A patient comes into a hospital emergency room sedated and non-responsive. She had been at a college…

A: Alcohol functions in the multi-dimensional area. It has many stimulating and alerting effects. Not…

Q: When you open a pizza box, particles of the pizza enter the air around you, and enter your nose when…

A: Hormonal imbalances are much more frequent during pregnancy, puberty, menstruation, menopause, and…

Q: a) why is it important to seek medical advice from the doctor or medical expert if you have hormonal…

A: Hormones are the body’s chemical messengers. They carry vital information to the cells through…

Q: The dexamethasone test involves the administration of a synthetic glucocorticoid. Knowing about…

A: Dexamethasone test is conducted to assess adrenal gland function by measuring how cortisol levels…

Q: Which of the following statements is not true about neurohypophysis? Select one: O a. It stores and…

A: Brain is the complex biological organ that regulates thoughts, behavior, physical activities, and…

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: What is the most likely immediate effect of a stroke that caused a selective lesion of the nucleus…

A: The nucleus tractus solitarius, commonly known as the nucleus of the solitary tract, is a pair of…

Q: If aldosterone causes exchange of sodium ion for potassium ion: A) Then the adrenal cortex…

A: Aldosterone makes a difference the kidneys oversee water, sodium, and potassium. As well much…

Q: The pineal gland produces melatonin, which helps regulate sleep by binding receptors in several…

A: Answer ; Option (B) is right. - the pineal gland is an endocrine gland.

Q: Endocrine glands ________. a. secrete hormones that travel through a duct to the target organs b.…

A: The endocrine system is a network of glands that secretes the hormone. There are eight major…

Q: What cells secrete melatonin?a. melanocytesb. pinealocytesc. suprachiasmatic nucleus cellsd. retinal…

A: Cells are the basic structural and functional unit of all the living organisms. They involve various…

Q: Which of the following hormones are NOT released in response to releasing hormones secreted by the…

A: Hormones are the regulatory substance secreted by the body which are transported through blood…

Q: which is/are true? select all that apply A. The hypothalamus releases hormones that control…

A: A. The hypothalamus releases hormones that control hormones release from the anterior pituitary.…

Q: What hormones are secreted by the posterior pituitary? What effect would stalk interruption have on…

A: Hormones are the chemical messengers that are secreted by glands inside the body. They are important…

Q: This letter is near the posterior pituitary gland (and you know this because...) B; it has a neural…

A: The Pituitary Gland is a major endocrine gland that is located at the base of the brain. It looks…

Q: Some people with onset insomnia are told by their doctors to wear sunglasses at night before going…

A: The suprachiasmatic nuclei use this information to coordinate circadian rhythms with the solar day.…

Q: If the pituitary is so important, and if Eric is not getting replacements of hormones the pituitary…

A: Pituitary gland is often known as the master gland. The gland is responsible for the release of…

Q: Cortisol stops HPA from continuing to release cortisol and continueing to stomulate sympathetic…

A: During chronic stress the the gland sheta activated. Hypothalamus is present at the base of the…

Q: A 38-year-old male is upset about his low sperm count and visits a "practitioner" who commonly…

A: The reproductive system, an important organ system in the body that plays an important role in…

Q: (d) Match the items given in Column A with the most appropriate ones in Column B and rewrite the…

A: Cranial Nerves:  The cranial nerves are a group of 12 nerves that run along the back of your head.…

Q: The hypothalamus releases antidiuretic hormone that reduces urine formation in the kidney. Under…

A: Antidiuretic hormone (ADH) is a hormone that helps your body regulate the amount of water that…

Q: Which hormone requires a carrier protein to travel in the plasma? A. testosterone B. thyroxine C.…

A: The control and coordination of the body are carried out by the nervous and hormonal systems. The…

Q: Epinephrine binds to a set of adrenergic receptors found on a variety of cell types. Which of the…

A: Epinephrine is also known as adrenaline that is secreted by the chromaffin cells of adrenal medulla.…