Select the correct one. Which of the following is not an ultradian rhythm? A. Hormone production B. Alertness C. Urinary output D. Body temperature
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Select the correct one.
Which of the following is not an ultradian rhythm?
A. |
Hormone production |
|
B. |
Alertness |
|
C. |
Urinary output |
|
D. |
Body temperature |
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- Please ASAP. Thank you. Which of the following is not an ultradian rhythm? A. Hormone production B. Alertness C. Urinary output D. Body temperatureMark the following statements as true or false. If a statement is false, correct it to make a true statement. a. Potassium ions are responsible for the repolarization phase of the action potential. b. Insulin, aldosterone, and epinephrine stimulate the uptake of potassium ions into cells. c. Hyperkalemia tends to decrease the resting membrane potential and hyperpolarize excitable cells. d. Hypocalcemia causes neurons to become hyperexcitable, leading to potential tetanic contractions. e. Chloride ions are generally reabsorbed from the kidneys, along with bicarbonate ions.Which of the following rows describes the change in heart rate, blood flow to skin, and glucose storage that would be expected to occur immediately following stimulation of the parasympathetic nervous system? Select one: a. Heart Rate Blood Flow to Skin Glucose Storage Increased Increased Decreased b. Heart Rate Blood Flow to Skin Glucose Storage Decreased Decreased Increased c. Heart Rate Blood Flow to Skin Glucose Storage Decreased Decreased Decreased d. Heart Rate Blood Flow to Skin Glucose Storage Increased Increased Increased
- Melatonin is a hormone made by the pineal gland, a small gland in the brain. Melatonin helps control your sleep and wake cycles. Evaluate each statement below and select the statement that best describes the pathway. Select one: a. Light on the retina stimulates the hypothalamus to send a signal to the pineal gland to stop producing melatonin, signalling the body to go to sleep. b. Light on the retina stimulates the hypothalamus to send a signal to the pineal gland to increase the production of melatonin, signalling the body to go to sleep. c. Light on the retina stimulates the hypothalamus to send a signal to the pineal gland to stop producing melatonin, signalling the body to wake up. d. Light on the retina stimulates the hypothalamus to send a signal to the pineal gland to increase the production of melatonin, signalling the body to wake up.During low intensity, long-duration exercise (long-distance running, for example), fatigue is NOT believed to be caused by: 30. A. The declining levels of muscle glycogen and blood glucose levels. B. The loss of extracellular electrolytes through sweating. C. The partial fatigue of neurons within the Cerebrum. D. The decrease in interstitial temperature observed in active muscle fibers.Notice that organ function is regulated by nerves and by hormones. What is the difference between nerve and hormone control? Why both kinds of controls? Discuss your answers.
- Dependent Variable A. Independent Variable INCREASED Dependent Variable B. Independent Variable DECREASED Dependent Variable C. Independent Variable NO EFFECT INDEPENDENT VARIABLE - Serum cortisol under chronic stress DEPENDENT VARIABLE - Leptin receptor sensitivity in the hypothalamus WHAT WOULD BE THE EFFECT ON THE DEPENDENT VARIABLE, IF THE INDEPENDENT VARIABLE IS INCREASING?Calcium is vital for bone growth, but it's also an important part of neural transmission. The role of calcium in neural transmission is that it enables the axon terminals to effectively Select one: a. secrete neurotransmitter into the synapse via exocytosis b. reabsorb neurotransmitter from the synapse via endocytosis after an action potential c. reabsorb neurotransmitter from the synapse via exocytosis after an action potential d. secrete neurotransmitter into the synapse via endocytosisWhich of the following responses is an effector activated by the hypothalamus when the body temperature is lower than the set point? a. skeletal muscles contract b. sweat glands initiate sweating c. skin blood vessels dilate d. move to a warmer location or put on a sweater
- The term “central nervous system” is used to refer to which of the following? a. The brain and spinal cord b. The ventricles that sit at the center of the brain c. Cranial nerves that make direct connections with the brain d. Nerves leaving the spinal cord innervating axial or trunk muscles near the center of the body Which of the following hormones is released by the hypothalamus during stress? a. neuropeptide Y (NPY) b. glucocorticoids (including cortisol) c. adrenocorticotropic hormone (ACTH) d. corticotropin releasing factor (CRF; also called CRH)Please help me I do not get thia and what is the process of how a pulse passes through a nerve cell?The sympathetic postganglionic neurons release only norepinephrine while the adrenal medulla secretes mainly epinephrine (80%) and a small amount of norepinephrine (20%). The sympathetic postganglionic neurons do not secrete epinephrine because; Group of answer choices a. Epinephrine is not as widely used in the nervous system as norepinephrine b. Phenylethanolamine-N-methyltransferase (PNMT) which converts norepinephrine to epinephrine is present in the adrenal medulla, but not in sympathetic postganglionic adrenergic neurons c. Acetylcholine which stimulates the secretion of epinephrine does not act on postganglionic neurons d. Dopamine beta hydroxylase in hyperactive in the adrenal medulla