Why is the USPS delivery system so convoluted?

Why is the USPS delivery system so convoluted?
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1 Answer

Answer :

I would guess that it’s one of those things that made sense at the time, once.
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Any USPS postal workers here? What was your experience with the exam?

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Description : Is the USPS open for business during St. Patricks day?

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Does anyone know how I can get a self addressed envelope and letter sent from Rome, Italy to my home in US for a bet?

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What personally-viewed evidence have you seen that the US Postal Service is doing less business than it used to? If you haven't seen any, what evidence have you seen otherwise?

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Why does FedEx (and to a lesser extent, UPS) take so long to ship packages that take the USPS about half the time?

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Match the items given in column I with those in column II and select the correct option given below. Column I Column II (Function) (Part of excretory system) A. Ultrafiltration (i) Henle’s loop B. Concentration (ii) Ureter of urine C. Transport of urine(iii) Urinary bladder D. Storage of urine (iv) Malpighian corpuscle (v) Proximal convoluted tubule A B C D (a) (iv) (v) (ii) (iii) (b) (iv) (i) (ii) (iii) (c) (v) (iv) (i) (ii) (d) (v) (iv) (i) (iii)

Description : Match the items given in column I with those in column II and select the correct option given below. Column I Column II (Function) (Part of excretory system) A. Ultrafiltration (i) Henle's loop B. Concentration (ii) Ureter of urine C. ... (ii) (iii) (c) (v) (iv) (i) (ii) (d) (v) (iv) (i) (iii)

Last Answer : (b) (iv) (i) (ii) (iii)

Is the USPS tracking system bugged?

Description : Is the USPS tracking system bugged?

Last Answer : It can take a day or two for the information to get loaded into and then updated to the USPS system.

Assertion `:-` Antidiuretic hormone, increases the water permeability of distal convoluted tubule. Reason `:-` In the absence of ADH, water re-absorpt

Description : Assertion `:-` Antidiuretic hormone, increases the water permeability of distal convoluted tubule. Reason `:-` In the absence of ADH, water re-absorpt

Last Answer : Assertion `:-` Antidiuretic hormone, increases the water permeability of distal convoluted tubule. Reason ... . If both Assertion & Reason are false.

Assertion `:-` Proximal convoluted tubule is lined by brush-bordered cuboidal epithelium. Reason `:-` PCT is main site of selective reabsorption of us

Description : Assertion `:-` Proximal convoluted tubule is lined by brush-bordered cuboidal epithelium. Reason `:-` PCT is main site of selective reabsorption of us

Last Answer : Assertion `:-` Proximal convoluted tubule is lined by brush-bordered cuboidal epithelium. Reason `:-` ... D. If both Assertion & Reason are false.

Assertion `:-` Peritubular capillaries secrete substances in the convoluted tubules. Reason `:-` Harmful and useless substances which escaped ultrafil

Description : Assertion `:-` Peritubular capillaries secrete substances in the convoluted tubules. Reason `:-` Harmful and useless substances which escaped ultrafil

Last Answer : Assertion `:-` Peritubular capillaries secrete substances in the convoluted tubules. Reason `:-` Harmful ... D. If both Assertion & Reason are false.

Removal of proximal convoluted tubule from the nephron will be result in

Description : Removal of proximal convoluted tubule from the nephron will be result in

Last Answer : Removal of proximal convoluted tubule from the nephron will be result in A. More concentrated urine B. ... C. No urine formation D. More diluted urine

Removal of proximal convoluted tubule from the nephron will be result in

Description : Removal of proximal convoluted tubule from the nephron will be result in

Last Answer : Removal of proximal convoluted tubule from the nephron will be result in A. No urine formation B. ... D. No change in quality and quantity of urine

Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule

Description : Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule

Last Answer : Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule ... levels D. Decrease in antidiuretic hormone levels

What structure is between the proximal and distal convoluted tubules?

Description : What structure is between the proximal and distal convoluted tubules?

Last Answer : Need answer

Furosemide inhibits reabsorption of sodium and chloride in (A) Proximal convoluted tubules (B) Loop of Henle (C) Distal convoluted tubules (D) Collecting ducts

Description : Furosemide inhibits reabsorption of sodium and chloride in (A) Proximal convoluted tubules (B) Loop of Henle (C) Distal convoluted tubules (D) Collecting ducts

Last Answer : Answer : B

Antidiuretic hormone (A) Is secreted by hypothalamus (B) Secretion is increased when osmolality of plasma decreases (C) Increases obligatory reabsorption of water (D) Acts on distal convoluted tubules and collecting ducts

Description : Antidiuretic hormone (A) Is secreted by hypothalamus (B) Secretion is increased when osmolality of plasma decreases (C) Increases obligatory reabsorption of water (D) Acts on distal convoluted tubules and collecting ducts

Last Answer : Answer : D

Obligatory reabsorption of water (A) Is about 50% of the total tubular reabsorption of water (B) Is increased by antidiuretic hormone (C) Occurs in distal convoluted tubules (D) Is secondary to reabsorption of solutes

Description : Obligatory reabsorption of water (A) Is about 50% of the total tubular reabsorption of water (B) Is increased by antidiuretic hormone (C) Occurs in distal convoluted tubules (D) Is secondary to reabsorption of solutes

Last Answer : Answer : D

Aldosterone increases reabsorption of sodium in (A) Proximal convoluted tubules (B) Ascending limb of loop of Henle (C) Descending limb of loop of Henle (D) Distal convoluted tubules

Description : Aldosterone increases reabsorption of sodium in (A) Proximal convoluted tubules (B) Ascending limb of loop of Henle (C) Descending limb of loop of Henle (D) Distal convoluted tubules

Last Answer : Answer : D

The final concentration of the fluid to produce a markedly hypertonic urine takes place in (a) Loop of Henle (b) Distal convoluted tubule (c) Collecting tubule (d) Both (b) and (c)

Description : The final concentration of the fluid to produce a markedly hypertonic urine takes place in (a) Loop of Henle (b) Distal convoluted tubule (c) Collecting tubule (d) Both (b) and (c)

Last Answer : Ans:(c)

The fluid reaching the distal convoluted tubule from the ascending limb of Henle's loop is (a) isotonic in respect of plasma (b) hypotonic in respect of plasma (c) hypertonic in respect of plasma (d) variable

Description : The fluid reaching the distal convoluted tubule from the ascending limb of Henle's loop is (a) isotonic in respect of plasma (b) hypotonic in respect of plasma (c) hypertonic in respect of plasma (d) variable

Last Answer : Ans:(a)

In a normal nephron: a. the descending loop of Henle is impermeable to water b. anti-diuretic hormone (ADH) increases the permeability of collecting ducts to water c. all the filtered glucose is re-absorbed in the proximal tubule d. nearly all the filtered protein is reabsorbed in the proximal convoluted tubule

Description : In a normal nephron: a. the descending loop of Henle is impermeable to water b. anti-diuretic hormone (ADH) increases the permeability of collecting ducts to water c. all the filtered ... in the proximal tubule d. nearly all the filtered protein is reabsorbed in the proximal convoluted tubule

Last Answer : nearly all the filtered protein is reabsorbed in the proximal convoluted tubule

In the human kidney: a. renal plasma flow is normally 660 ml/minute b. blood flow in the cortex is greater than that in the medulla c. resorption of ions and water occurs mainly in the distal convoluted tubules d. anti-diuretic hormone increases water resorption mainly in the distal convoluted tubules

Description : In the human kidney: a. renal plasma flow is normally 660 ml/minute b. blood flow in the cortex is greater than that in the medulla c. resorption of ions and water ... the distal convoluted tubules d. anti-diuretic hormone increases water resorption mainly in the distal convoluted tubules

Last Answer : blood flow in the cortex is greater than that in the medulla

True statements about aldosterone include: a. secretion is mainly under the control of adrenocorticotrophic (ACTH) hormone secretion b. increases hepatic gluconeogenesis c. its secretion is stimulated by angiotensin d. in the kidney, mainly acts on the proximal convoluted tubules

Description : True statements about aldosterone include: a. secretion is mainly under the control of adrenocorticotrophic (ACTH) hormone secretion b. increases hepatic gluconeogenesis c. its secretion is stimulated by angiotensin d. in the kidney, mainly acts on the proximal convoluted tubules

Last Answer : its secretion is stimulated by angiotensin

Anti-diuretic diuretic hormone (ADH) a. is synthesized by the posterior lobe of the pituitary gland b. is released by neurosecretion c. its secretion is increased by a low plasma osmolarity d. increases the permeability of the distal convoluted tubule

Description : Anti-diuretic diuretic hormone (ADH) a. is synthesized by the posterior lobe of the pituitary gland b. is released by neurosecretion c. its secretion is increased by a low plasma osmolarity d. increases the permeability of the distal convoluted tubule

Last Answer : is released by neurosecretion

Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule? (a) Increase in aldosterone levels (b) Increase in antidiuretic hormone levels (c) Decrease in aldosterone levels (d) Decrease in antidiuretic hormone levels

Description : Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule? (a) Increase in aldosterone levels (b) Increase in antidiuretic hormone levels (c) Decrease in aldosterone levels (d) Decrease in antidiuretic hormone levels

Last Answer : (a) Increase in aldosterone levels

Reabsorption of useful substances from glomerular filtrate occurs in (a) collecting tube (b) loop of Henle (c) proximal convoluted tubule (d) distal convoluted tubule.

Description : Reabsorption of useful substances from glomerular filtrate occurs in (a) collecting tube (b) loop of Henle (c) proximal convoluted tubule (d) distal convoluted tubule.

Last Answer : (c) proximal convoluted tubule

Brush border is characteristic of (a) neck of nephron (b) collecting tube (c) proximal convoluted tubule (d) all of these.

Description : Brush border is characteristic of (a) neck of nephron (b) collecting tube (c) proximal convoluted tubule (d) all of these.

Last Answer : (c) proximal convoluted tubule

Which one of the following statements in regard to the excretion by the human kidneys is correct? (a) Descending limb of loop of Henle is impermeable to water.(b) Distal convoluted tubule is incapable of reabsorbing HCO3 – . (c) Nearly 99 per cent of the glomerular filtrate is reabsorbed by the renal tubules. (d) Ascending limb of loop of Henle is impermeable to electrolytes.

Description : Which one of the following statements in regard to the excretion by the human kidneys is correct? (a) Descending limb of loop of Henle is impermeable to water. (b) Distal convoluted tubule is ... reabsorbed by the renal tubules. (d) Ascending limb of loop of Henle is impermeable to electrolytes.

Last Answer : (c) Nearly 99 per cent of the glomerular filtrate is reabsorbed by the renal tubules.

Which one of the following correctly explains the function of a specific part of the human nephron? (a) Podocytes : create minute spaces (slit pores) for the filtration of blood into the Bowman’s capsule (b) Henle’s loop : most reabsorption of the major substances from the glomerular filtrate (c) Distal convoluted tubule : reabsorption of K+ ions into the surrounding blood capillaries (d) Afferent arteriole : carries the blood away from the glomerulus towards renal vein.

Description : Which one of the following correctly explains the function of a specific part of the human nephron? (a) Podocytes : create minute spaces (slit pores) for the filtration of blood into the ... blood capillaries (d) Afferent arteriole : carries the blood away from the glomerulus towards renal vein.

Last Answer : (a) Podocytes : create minute spaces (slit pores) for the filtration of blood into the Bowman’s capsule

The maximum amount of electrolytes and water (70 – 80 percent) from the glomerular filtrate is reabsorbed in which part of the nephron? (a) Ascending limb of loop of Henle (b) Distal convoluted tubule (c) Proximal convoluted tubule (d) Descending limb of loop of Henle

Description : The maximum amount of electrolytes and water (70 – 80 percent) from the glomerular filtrate is reabsorbed in which part of the nephron? (a) Ascending limb of loop of Henle (b) Distal convoluted tubule (c) Proximal convoluted tubule (d) Descending limb of loop of Henle

Last Answer : (c) Proximal convoluted tubule

Removal of proximal convoluted tubule from the nephron will result in (a) no change in quality and quantity of urine (b) no urine formation (c) more diluted urine (d) more concentrated urine.

Description : Removal of proximal convoluted tubule from the nephron will result in (a) no change in quality and quantity of urine (b) no urine formation (c) more diluted urine (d) more concentrated urine.

Last Answer : (c) more diluted urine

The part of nephron involved in active reabsorption of sodium is (a) distal convoluted tubule (b) proximal convoluted tubule (c) Bowman’s capsule (d) descending limb of Henle’s loop.

Description : The part of nephron involved in active reabsorption of sodium is (a) distal convoluted tubule (b) proximal convoluted tubule (c) Bowman’s capsule (d) descending limb of Henle’s loop.

Last Answer : (b) proximal convoluted tubule

Proximal and distal convoluted tubules are parts of (a) seminiferous tubules (b) nephron (c) oviduct (d) vas deferens

Description : Proximal and distal convoluted tubules are parts of (a) seminiferous tubules (b) nephron (c) oviduct (d) vas deferens

Last Answer : (b) nephron

Which one of the four parts mentioned below does not constitute a part of single uriniferous tubule? (a) Distal convoluted tubule (b) Collecting duct (c) Bowman’s capsule (d) Loop of Henle

Description : Which one of the four parts mentioned below does not constitute a part of single uriniferous tubule? (a) Distal convoluted tubule (b) Collecting duct (c) Bowman’s capsule (d) Loop of Henle

Last Answer : (b) Collecting duct

Which one of the following is not a part of a renal pyramid? (a) Peritubular capillaries (b) Convoluted tubules (c) Collecting ducts (d) Loop of Henle

Description : Which one of the following is not a part of a renal pyramid? (a) Peritubular capillaries (b) Convoluted tubules (c) Collecting ducts (d) Loop of Henle

Last Answer : (b) Convoluted tubules

The inner membrane of the mitochondria is, usually, highly convoluted forming a series of infoldings known as (a) thylakoids (b) lamellae (c) cristae (d) grana.

Description : The inner membrane of the mitochondria is, usually, highly convoluted forming a series of infoldings known as (a) thylakoids (b) lamellae (c) cristae (d) grana.

Last Answer : (c) cristae

Which of the following statements regarding mitochondrial membrane is not correct ? (a) The outer membrane resembles a sieve. (b) The outer membrane is permeable to all kinds of molecules. (c) The enzymes of the electron transfer chain are embedded in the outer membrane. (d) The inner membrane is highly convoluted forming a series of infoldings.

Description : Which of the following statements regarding mitochondrial membrane is not correct ? (a) The outer membrane resembles a sieve. (b) The outer membrane is permeable to all kinds of molecules. (c) ... in the outer membrane. (d) The inner membrane is highly convoluted forming a series of infoldings.

Last Answer : (c) The enzymes of the electron transfer chain are embedded in the outer membrane.

Which of the following statements regarding mitochondria is incorrect? (a) Mitochondrial matrix contains single circular DNA molecule and ribosomes. (b) Outer membrane is permeable to monomers of carbohydrates, fats and proteins. (c) Enzymes of electron transport are embedded in outer membrane. (d) Inner membrane is convoluted with infoldings.

Description : Which of the following statements regarding mitochondria is incorrect? (a) Mitochondrial matrix contains single circular DNA molecule and ribosomes. (b) Outer membrane is permeable to monomers of ... transport are embedded in outer membrane. (d) Inner membrane is convoluted with infoldings.

Last Answer : (c) Enzymes of electron transport are embedded in outer membrane.

Cuboidal epithelium with brush border of microvilli is found in (a) lining of intestine (b) ducts of salivary glands (c) proximal convoluted tubule of nephron (d) Eustachian tube

Description : Cuboidal epithelium with brush border of microvilli is found in (a) lining of intestine (b) ducts of salivary glands (c) proximal convoluted tubule of nephron (d) Eustachian tube

Last Answer : c) proximal convoluted tubule of nephron

Choose the correct statement about thiazide diuretics: A. They act in the proximal convoluted tubule B. They are uricosuric C. They augment corticomedullary osmotic gradient D. They induce diuresis in acidosis as well as alkalosis

Description : Choose the correct statement about thiazide diuretics: A. They act in the proximal convoluted tubule B. They are uricosuric C. They augment corticomedullary osmotic gradient D. They induce diuresis in acidosis as well as alkalosis

Last Answer : D. They induce diuresis in acidosis as well as alkalosis

The Na+-Cl– symport in the early distal convoluted tubule of the kidney is inhibited by: A. Thiazides B. Metolazone C. Xipamide D. All of the above

Description : The Na+-Cl– symport in the early distal convoluted tubule of the kidney is inhibited by: A. Thiazides B. Metolazone C. Xipamide D. All of the above

Last Answer : D. All of the above

The Na+ retaining action of aldosterone is exerted on the: A. Proximal convoluted tubule B. Ascending limb of loop of Henle C. Cortical diluting segment D. Distal convoluted tubul

Description : The Na+ retaining action of aldosterone is exerted on the: A. Proximal convoluted tubule B. Ascending limb of loop of Henle C. Cortical diluting segment D. Distal convoluted tubul

Last Answer : D. Distal convoluted tubule

Does USPS deliver a package to the home under secret service protection?

Description : Does USPS deliver a package to the home under secret service protection?

Last Answer : The packages went to the security detail at the residences.

Did you know this about the USPS?

Description : Did you know this about the USPS?

Last Answer : They scan the envelope, not the contents. That is the small barcode at the bottom of the envelope, and the piece of tape they put on post cards.

Which shipping option is better for books, UPS or USPS?

Description : Which shipping option is better for books, UPS or USPS?

Last Answer : answer:UPS almost certainly goes by weight too. I tried to mail about 15 pounds of beer with UPS last Christmas and the postage was insane. They do some weird dimensional weight formula. It is probably going to be hard to beat the media rate from the USPS.

USPS Mail Advice: How do I get rid of mail of former tenants?

Description : USPS Mail Advice: How do I get rid of mail of former tenants?

Last Answer : Put a line through the address and write not at this address on the envelopes and put them back in the mailbox. After a few weeks your mail carrier will (hopefully) get the idea and start returning them ... carrier will see it when they open it. You might also want to site only below your name.

How are postage prices calculated by USPS?

Description : How are postage prices calculated by USPS?

Last Answer : answer:It depends both on the weight and where you are shipping it to. For example, if I was shipping something to Washington State from the East Coast that would cost more than if I was shipping ... USPS does have flat-rate shipping boxes that you can fill up and ship for a pre-determined price.

Shipping Experts: Which mailing option should I choose to ship a t-shirt using USPS?

Description : Shipping Experts: Which mailing option should I choose to ship a t-shirt using USPS?

Last Answer : Maybe tuck it into a small cardboard box? You shouldn't really need bubble wrap for a T-shirt, because it's not something that's fragile, in the way that bubble wrap things are, but you can't just ship it ... then put it in small cardboard box. That's what I think; and you did ask, after all. :-)

USPS lost my package, is there anything I can do about it?

Description : USPS lost my package, is there anything I can do about it?

Last Answer : By the way, they mailed me back a piece of the torn package with the addresses I wrote.

How can I find out how much it would cost to ship a 3 pound laptop by USPS?

Description : How can I find out how much it would cost to ship a 3 pound laptop by USPS?

Last Answer : answer:The PO wants to know the outer dimensions of the box (which is going to be larger than the dimensions of the laptop, because presumably you are going to pack it in something so it won't get ... my buyer decide how fast he wants the item delivered, and let him pay the extra for fast service.