Functions of hormones include which of the following? a. control rates of certain chemical reactions b. transport substances across cell membranes c. help regulate water and electrolyte balances d. all of the above

Which the following is NOT a way that we can regulate hormones in the body? Select one or more: O a. Hormone biosynthesis Ob. Negative feedback loop O C. Positive feedback loop d. Precursor processing O e. Signaled hormone release Of. Hormone metabolism g. Plasma protein binding h. All of the above are ways that hormones are regulated

Which of the following responses would NOT occur upon activation of MC2R (G protein coupled receptor that regulates the production of cortisol) ? a. Increased transcription of the genes for the enzymes to make cortisol b. Activation of enzymes required to make cortisol c. Increased transcription of the cortisol gene d. Decreased activity of miRNA that target the enzymes required to make cortisol

1. Cortisol:   a. is made in the middle zone of the adrenal cortex   b. is a glucocorticoid   c. has an antiimmunity effect   d. all of the above   2. Protein hormones have hormone receptors in the cell:       a. both a and c above   b. membrane   c. nucleus   3. D.  cytoplasm     The difference between a three- and a two-neuron reflex is that a three-neuron reflex:   a. includes an efferent neuron   b. includes an afferent neuron   c. passes through the dorsal root ganglion   d. includes an interneuron

All of the following occur during a stress response EXCEPT     a. the parasympathetic branch of the autonomic nervous system is activated.     b. the adrenal gland releases steroid hormones.     c. an increased output of the heart increases blood flow to the muscles.     d. glucose is made available for energy, due to the effects of epinephrine.   Which of the following is NOT true of axons?     a. They can vary greatly in length     b. Under normal circumstances, they carry information toward the soma     c. Some of them are covered with myelin sheaths     d. They release chemicals that cross the synapse

1. Make a flow chart or schematic diagram showing a negative feedback loop relating to a hormone (or pair of hormones). Be sure to include: a. What stimulates the hormone's release b. Where the hormone (or hormones) is/are released from c. Effect of the hormone d. The negative feedback mechanism that "turns off the hormone

Cortisol's permissive effects on epinephrine and norepinephrine.... a. are primarily acting to maintain blood pressure homeostasis b. are primarily acting to upregulate adrenergic receptors c. are primarily acting to increase heart rate d. cortisol does not act permissively on norepinephrine and epinephrine e. are primarily acting to maintain blood glucose concentrations

Which of the following is not a function of the endocrine system? A. Contributes to homeostatic feedback loops. B. Produces quick effects through electrochemical mechanisms. Shy C. Alters the metabolic activities of many different target tissues and organs. D. Releases chemicals into the bloodstream for distribution throughout the body.

1. Explain and give an example of a positive feedback loop for the regulation of hormone secretion.   2.Explain the difference between prostaglandins and hormones. List some of the body functions that can be influenced by prostaglandins

Which of these is not a means by which hormones are eliminatedfrom the circulatory system?a. excreted into urine or bileb. bound to binding proteinsc. enzymatically degraded in the blood (metabolism)d. actively transported into cellse. conjugated with sulfate or glucuronic acid