66. Which one of the following hormones is not secreted by the anterior pituitary gland? a. FSH b. LH c. ADH d. hGH 67. ADH is responsible to go to the kidney tubules to a. increase urine production b. decrease urine production 68. Which of the following is not an accurate statement about hormones? a. Hormones - chemical messengers that go to target cells via the CV system b. Hormones often regulate homeostasis c. Hormones are often regulated through feedback loops d. all are correct 69. What do steroid and protein hormones have in common? a. their ability to mix with water b. their requirements for travel through the bloodstream is the same c. the way they enter the cell d. both enter the nucleus of the cell and regulate DNA activity 70. Which hormone is incorrectly paired with its action? a. oxytocin - stimulates uterine contraction during childbirth b. thyroxin - inhibits metabolic rate c. ACTH - stimulates the release of glucocorticoids by the adrenal cortex d. Melatonin - affects bio-rhythms & seasonal reproduction in animals 71. Which one of the following statements most accurately describes an essential amino acid? a. it can be obtained in the diet only from animal products b. it is a universal building block for the body's proteins, found in all the proteins our bodies synthesize c. although it is necessary for life, the organism in question cannot synthesize it and thus must obtain it in the diet d. it functions as a coenzyme in a biochemical pathway that is essential for life 72. Which one of the following carries on only intracellular digestion? a. humans b. hydra c. mushroom d. Paramecium e. Earthworm
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The hormone not secreted by the anterior pituitary gland is ADH (Antidiuretic hormone). It is secreted by the posterior pituitary gland. Show moreā¦
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1. Which of the following are correct? Insulin is released when blood glucose levels are low and it will act to reduce blood glucose levels. Lack of ADH would cause a disruption in one's regulation of water balance. Calcitonin can act antagonistically to the Parathyroid hormone. Insulin and glucagon act antagonistically to one another. Glucagon is released when blood glucose levels are low and it will act to increase blood glucose levels. none of the statements are correct 2. Skeletal muscle contractions are based upon: thick (myosin) filaments forming cross bridges with thin filaments as ATP is used by the thick filament thick filaments (myosin) will coil up and become shorter thin (actin) and thick (myosin) filaments both coil up and become shorter thin (actin) filaments forming cross bridges with thick filaments as ATP is used by the thin filament 3. Smooth and skeletal muscle have the following in common: they both possess intercalated discs they both have cilia they are both multinucleated they both are densely packed with mitochondria 4. What is a sarcomere? one motor neuron and all of the muscle fibers it innervates. the actin and myosin that lies between two z discs. one actin binding site and its myosin head one myofibril 5. Which of the following are correct? The Parathyroid gland is considered an endocrine gland. The ovaries and testes are considered endocrine glands. none of the statements are correct The pituitary gland is considered an exocrine gland. The pancreas is considered both an endocrine and exocrine gland. The Thyroid gland is considered an endocrine gland. 6. Which of the following are correct? Hormones such as ADH affect a large number of cells in the body because this hormone binds to a variety of different extracellular receptors. Some hormones activate a cAMP second messenger system. The receptor that activates this system is typically an extracellular plasma membrane hormone receptor. A good example of paracrine signaling would be one cell secreting a Growth hormone and nearby cells are stimulated to grow and divide. Most steroid hormones are lipid soluble, derived from cholesterol, and use a transport protein in the blood to travel. The cell that responds to a hormone is known as the target cell. none of the statements are correct 7. Which of the following are correct? Damage to the anterior pitutary gland could disrupt the release of oxytocin and ADH. We might suspect that the kidneys and cardiovascular system would be adversely impacted by damage to the posterior pituitary. A mother is lactating. The two hormones involved with milk production and milk ejection are Oxytocin and Prolactin respectively. none of the statements are correct Most hormones help maintain homeostasis and therefore operate and are controlled by positive feedback loops. If my blood glucose levels are low (depressed), my body would respond in a positive feedback fashion by producing glucagon to increase my glucose levels. A patient has an abnormally low blood calcium level, one would expect the levels of Calcitonin might be elevated in an attempt to return the body to homeostasis. 8. Which of the following are correct? none of the statements are correct All hormones are lipid soluble and these typically interact with receptors inside the cell. All hormones are water soluble and these typically interact with receptors on the cell's surface (plasma membrane). Hormones are unable to travel via the blood. Endocrine glands do not release their products into a duct to reach the bloodstream. Exocrine glands are known to secrete hormones.
Adi S.
Which of the following are TRUE? Select one or more: At the beginning of the menstrual cycle, FSH and LH stimulate the development of tertiary ovarian follicles, which begin to produce estrogen. Because of increased estrogen from the ovarian follicles, an LH surge occurs, triggering ovulation. Mittelschmerz is the pain associated with ovulation. After ovulation, under the influence of LH, a gland is formed from the follicle cells left behind in the ovary. It is called the corpus luteum. The corpus luteum secretes progesterone and estrogen, preparing the endometrium for potential pregnancy. Increased levels of estrogen and progesterone inhibit FSH and LH secretion from the anterior pituitary. Which of the following are TRUE regarding the development of follicles? Select one or more: It takes about a year for a primordial follicle to develop and become a growing tertiary follicle. Primordial follicles are formed in utero. Tertiary follicles respond to FSH because they have a FSH receptor. Primary follicles also respond to FSH because they have a FSH receptor. Tertiary follicles die via atresia, but primordial follicles do not undergo atresia. When does positive feedback occur during the menstrual cycle? Select one: During menstruation, around the middle of the follicular phase, around the time of ovulation, during the luteal phase.
Krishna G.
Which of the following statements about endocrine targeting and reception is correct? a. The idea that one hormone affects one type of tissue is illustrated when epinephrine binds to smooth muscle cells in blood vessels as well as to beta cells in heart muscle. b. trated when epinephrine cannot activate both the receptors on liver cells and the beta receptors of heart muscle. c. The idea that a target cell can respond to more than one hormone is illustrated by a vertebrate liver cell responding to insulin and glucagon. d. The idea that a minute concentration of hormone can cause widespread effects demonstrates the specificity of cells for certain hormones. e. The idea that the response to a hormone is the same among different target cells is shown when different liver cells are activated by insulin.
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