Wednesday
April 16, 2014

Posts by Anna


Total # Posts: 1,880

physiology
Which of the following is TRUE regarding the small intestine? The small intestine secretes roughly the same volume of fluid as it absorbs Segmentation is responsible for mixing the chyme and bringing it in contact with the intestinal wall for absorption The most common form of...

physiology
Which of the following statements is TRUE regarding bile? Bile is produced by the gall bladder, and secreted into the duodenum Bile is produced and secreted in response to CCK, which is in turn secreted primarily in response to high acidity of duodenal chyme Bile is most impor...

physiology
Is the following statement True or False, and Why? The presence of a hyperosmotic solution in the duodenum will stimulate gastric emptying. True; this helps to speed up the absorption process True; the hyperosmotic solution draws contents in from the stomach False; this causes...

physiology
Which of the following statements regarding pepsin is FALSE? Pepsin is derived from the inactive enzyme pepsinogen Pepsin primarily works to digest fatty acids Pepsinogen secretion is stimulated by increased protein concentration, gastric distension, and the sight/smell/taste...

physiology
Gastrin is a hormone secreted into the __________ by the ___________. Blood; stomach Lumen; stomach Lumen; pancreas Blood; small intestine

physiology
Long reflexes regulating GI function differ from short reflexes in which of the following ways? Short reflexes involve the local GI nerve plexus The effectors of short reflexes are GI tract smooth muscle and glands Long reflexes involve autonomic efferent neurons Long reflexes...

physiology
Which of the following statements pertaining to protein digestion and absorption is FALSE? The majority of amino acids and peptides are absorbed in the upper portion of the small intestine. Protein can enter the GI tract via ingestion or via secretion as enzymes or mucus Prote...

physiology
Which of the following is FALSE regarding carbohydrate digestion and absorption? Carbohydrates are broken into monosachrides prior to absorption The removal of sodium and monosachrides from the intestinal lumen favors water secretion Monosachrides are primarily absorbed via co...

chemistry please check
for the following reactions label each species as an acid or a base. Indicate the species that are conjugate acids and conjugate bases. A. HSO4-(acid) + NH3(base)<--> SO4^2-(conj base) + NH4+ (conj acid) B. HPO4^2- (conj base)+ NH4+ (conj acid) <--> H2PO4-(acid) + ...

chem homework help
yes, it should have been, thank you i had missed writing that down.

chem homework help
can you check my work? Give the conjugate acid for each of the following bases. A. CN- = HCN B. SeO4^2- = HSeO4- C. HCO3- = H2CO

Chemistry
40000liter gasoline tank is filled with liquid gasoline with an avg vapor pressure of 20 mm Hg.At 50% saturation, what weight of gasoline would escape to the atmosphere during filling?

(Research question)Family Health: Highschool
Is this a good research question? I have to come up with one and this is what I have. 1. Does divorce cause drug abuse in teenagers? My hypothesis would be Divorce does cause drug abuse in teenagers. 2. Or is this one better. Does divorce factor in the drug abuse of a teenager...

chemistry
i have another chemistry question posted farther down can u help me out a bit on that one?

chemistry
thank you so much

chemistry
Methanol is manufactured by the below catalyzed reation using ZnO/Chromate. CO + 2H2 --> CH3OH deltaH -91kJ Does the amount of methanol increase, decrease, or remain the same when an equilibrium mixture of reactants and products is subjected to the following changes? A. the...

chemistry
i figured out part C as well t1/2 = 1/K(A) t1/2 = 1/(0.04)x(0.02) t1/2 = 1/8x10^-4 t1/2 = 1250sec t1/2 = 1250s/60m half life = 20.833min Still do not know how to set up part B. Can anybody help out?

chemistry
Need some help. have the A part of the question but do not know how to set B or C. Butadiene (C4H6) reacts with itself to form a dimer with the formula C8H12. The reaction is second order in butadiene. If the rate constant at a particular temp is 0.04/(M s) and the initial con...

Social Studies
Can you please explain how trade affected the power of kings during the 1500s and the 1600? Thanx

5th grade
name at least two suspensions

12th grade agebra 2
find all real roots: x^4-6x^2+8=0 and the other polynomial is: 8x^3+1=0

algebra 2
any body? need help a.s.a.p

algebra 2
find all rational roots of the polynomial 6x^3-13x^2-41x-12=0

Algebra
t=5

i need some tips
i worked hard this year thank you all for your help ;)

i need some tips
but my teachers didn't tell me anything to study oh and btw is there anything online that has similar test questions and is there any tips that would help me on the test **i am in the 7th grade**

i need some tips
okay so now i have this test called tcap and there is A LOT to study and i only have 2 days to study i need help do u have any tips that would help me study or help me ON my tcap test please respond i need as many people to respond because i really need help thank you

science
THANK YOU MS. SUE ,YOU ARE ALWAYS ANSWERING MY QUESTIONS :)

science
i need to make a gold rube berg simple machine(i think that is what it is called) and i need some ideas and some tips THANK YOU

language
victory-victories multiply-multiplies tiny-don't know thirsty-thirstness? justify-justified pray-prays or prayed dry-dryness anniversary-anniversaries? body-bodies rainy-not really sure comedy-comedies crazy-crazyness industry-industries decay-decayed? heavy-heaviness angr...

language
you take away the y and add an i and then add es and i am sorry :(

language
yeah because there is a lot of questions but luckily i am almost done :)

language
victory-victories baby-babies country-countries multiply-don't understant enemy-enemies marry-married highway-highways tiny-don't understant thirsty-thirstiness? carry-carries family-familys justify-justifies pray-prayed vary-varies dry-dryness anniversary-anniversarie...

science help please
i don't understant what sexual reproduction is and what asexual reproduction is could please help me understand

chemistry
The reaction SO2 + 1/2O2 -->SO3 has kp equal to 6.55 at 627C. what is the value of kc at this temperature? how do you set this up?

Chemistry-check my work
great thanks

Chemistry-check my work
The equilibrium constant kc for the equation CS2 + 4H2 <--> CH4 +2H2S at 900 C is 27.8. what is the value of kc for the following equation? 1/2CS2 + 2H2 <---> 1/2CH4 +H2S sqr root of 278=5.27?

chemistry check my work
sorry new to typing in math or chem problems so i dont really understand the first part of your answer. but is [NO][H]over[N][H2O] right or did i mess up somewhere

chemistry check my work
the equilibrium-constant expression for a reaction is kc= [N2][H2O]2 ---------- [NO]2[H2] what is the equilibrium-constant expression when the equation for this reaction is halved and then reversed? 2NO + 2H2 --> N2 + 2H2O NO + H2 ---> N + H2O N + H2O --> NO + H [NO][...

math please check my work
a license plate has 2 letters followed by 4 digits.how many license plates are possible if the digits and letters can be repeated? f-8 g-92 h-676000 i-6760000 i think it is i(the 4th one) am i correct thank you for helping me

math check my work
but these r the only choices a-8 b-92 c-676000 or d-6760000 so what would it be

math check my work
but these are the only answers and there is 26 letters in the alphabet

math check my work
a license plate has 2 letters followed by 4 digits.how many license plates are possible if the digits and letters can be repeated? f-8 g-92 h-676000 i-6760000 i think it is i am i correct thank you for helping me

ms. sue
i am sorry ms. sue i still don't get it could you please give me an explanation for 'dummies' thank you

ms. sue please check
can it be c

language could you please check my work
answers are on the bottom 1)A person's hobby a.can be physical recreation b.can be mental recreation c.both a and b 2)A good hobby is is a.exciting b.satisfying c.both a and b 3)Some hobbies are a.lifelong b. given up for something more interesting c. both a and b 4)Hobbie...

language please check my work
In 2000 an experimental robot performed operations on the damaged valves of ten patient's hearts. in this true: -robot is a noun -performed is a verb -damaged is a noun

Chem
The equilibrium constant kc for the reaction N2(g)+ 3H(g)---2NH3(g) at 450C is 0.159. Calculate the equilibrium composition when 1.00 mol N2 is mixed with 3.00 mol H2 in a 2.00-L vessel. need help setting up the problem

reading/language
which of the following is a word? a)croad b)cread c)craid d)creed thank you

English
Hi;-) 1)--I would put what it is. Ex. The main themes of Shakespeare's play; "The Tempest", are forgiveness, reconcilation....... 2)Are you referring to the play? The play ends in peace with music intensifying the atmosphere 3)Yeah, it works out 4)The most import...

social studies
If -then clauses If an air mass originates over an ocean.... if an air mass originates over an continent... If a large body of water is cooler than the land next to it... If a large body of water is warmer than the land next to it...

English
They all see to be fine, however you have a lot of spelling errors. Im not accurately sure of the second one.

exciting school!
16a/4 (divided by 4) how would u do this?

physics
Dirk pushes on a packing box with a horizontal force of 67.0 N as he slides it along the floor. The average friction force acting on the box is 3.00 N. How much total work is done on the box in moving it 3.10 m along the floor?

physics
how do i go about in solving this? Sean climbs a tower that is 84.6 m high to make a jump with a parachute. The mass of Sean plus the parachute is 66.8 kg. If U = 0 at ground level, what is the potential energy of Sean and the parachute at the top of the tower?

Physics
Two infinitely long slits, S1 and S2, each of width d=0.1 cm are used to prepare a box-shaped electron beam with energy E=400 eV. At what distance x from the slit S2 will the thickness of this electron beam double due to Coulomb's repulsion? The linear density of electron ...

Chemistry
Why do we put a minus sing in front of the bond enthalpies of the bonds that are being formed? And why are the enthalpies of formation negative in general? I also don't understand why we subtract the enthalpy of formation of the reactants from the enthalpy of formation of ...

science i don't get it
Where is constructive interference in a standing wave?

physics
A harpsichord string of length 1.60 m and linear mass density 25.0 mg/m vibrates at a (fundamental) frequency of 450.0 Hz. (a) What is the speed of the transverse string waves in m? (b) What is the tension in N? (c) What are the wavelength and frequency of the sound wave in ai...

physics help
Michelle is enjoying a picnic across the valley from a cliff. She is playing music on her radio (assume it to be an isotropic source) and notices an echo from the cliff. She claps her hands and the echo takes 2.6 s to return. (a) Given that the speed of sound in air is 343 m/s...

Elementary math College
A bag contains 7 red chips and 9 blue chips. Two chips are selected randomly without replacement from the bag. What is the probability that the two chips are the same color?

Math
what are the steps on how to balance Al + O2 -----> Al2O3

math
its two i'm looking for it to equal 10

social studies
how did mountains both help and hurt ancient greece ?

English
Are these two sentences good: The hall of mirrors gave me a confound feeling. Confound- to throw into confusion or perplexity I told my mom that i was going to the movies but, she gave me one circumstance and that was to call her when i get there. Circumstance-a condition, fac...

English
Thank You :)

English
What are good sentences using the words: frivolous, coy and conceive Frivolous- of little weight or importance; having no sound bases Coy- shrinking from contact or familiarity Conceive- to take into ones mind Using these definitions, can you come up with three sentences for t...

Science
what is the electron arrangement for boron? and how do you find the valence electron for it? i know it has 3 v.e. but how do you find it

Science
Im doing this element project and my element is boron. i need to theme my poster with whatever element i get. example: for helium you can draw balloons on your poster... ive got no ideas for boron. help please.. something creative THnks

Science
im doing this project on boron and one fact says that if we didnt have boron we would die, but why is that? .. plz gimme detailed explanation .. thx

Economics
Pls help me to sole micro problem.Production function is Y=K^0.5L^0.5 and w=$1 (wage) and r=$2 (rent) P=$5 I need to find the long term optimum amount for K and L. Also long term optimun output and a cost function. Thank you.

chemistry
A chemist has 12.0 M HBr and would like to use it to make 500.0 mL of 3.5 M HBr. describe how she should do this

geo
thank you :)

geo
i was looking for the absolute location... so it is 35 degrees North and 105 degrees East?

geo
that isn't the absolute location. is it??

geo
what is china's absolute location??

Chemistry
What are induced dipoles?

Tcp
In the second segment sent from Host A to B, what are the sequence number, source port number and destination port number

math
Write a linear equation to model the situation. Use unit analysis to check your model. You borrow $40 from your sister. To repay the loan, you pay her $5 a week.

spanish
can somebody put the following spanish words into correct simple spanish sentences. One each. Detras de-behing Delante de-front Debajo de-underneath sobre/en-on encima de-over/on al lado de-side/next lejos de-far from cerca de-near dentro de-inside duera de-outside

Chemistry
Awesome. Thanks!

Chemistry
A student heats 5.128g of the sodium carbonate/sodium bicarbonate mixture to a constant mass of 4.256g. Determine the mass of sodium bicarbonate present in the mixture.

Accounting
what is the best formula to use? do I add the operating revenues to expenses.?/ please help thank you

Accounting
It says in the textbook total margin, the ratio of profit to the sum of revenues and non-operating gains... I'm confused...

Accounting
how do I calculate total margin?

Accounting/Financing
I am so weak at this new class I started no matter how many times I read my textbook, I cannot understand how to calculate ratios can someone please show me or guide me how to work these problems, I would really appreciate it, thank you please help me.. Compute the following ...

Accounting/Financing
I am so weak at this new class I started no matter how many times I read my textbook, I cannot understand how to calculate ratios can someone please show me or guide me how to work these problems, I would really appreciate it, thank you please help me.. Compute the following r...

geo
what are china's major imports and exports?

geography
is there a chart or information showing where these people immigrate/migrate the most?

geography
immigration and emigration patterns of china

Financing and Accounting
can someone please show me an easy formula for these problems?

Financing and Accounting
How would I find the formula for these problems? Please help me.. I would really appreciate it.. thank you Calculate the present value of the following: $7,000 in 5 years at an annual discount rate of 6% $7,000 in 5 years at a semiannual discount rate of 6% $7,000 in 5 years a...

Accounting
How would I find the formula for these problems? Please help me.. I would really appreciate it.. thank you Calculate the present value of the following: $7,000 in 5 years at an annual discount rate of 6% $7,000 in 5 years at a semiannual discount rate of 6% $7,000 in 5 years a...

Finances
Assume that you have two contracts to choose from: Contract A pays $5,000 per year for 5 years starting one year from today. Contract B pays $5,000 per year for 5 years starting today. The discount rate for each is 6%. Which annuity contract would you choose for your retiremen...

Finances and Math
How did you get 1.015?

Finances and Math
Thank you Reiny

Finances and Math
Can someone please help me solve these problems or help me find an easy formula?..No matter how many times I read or try calculating I can't get it please help me..I would really appreciate it thank you.. Calculate the future value of the following: $5,000 compounded annua...

algebra
Show a complete algebraic solution for the following: find 4 consecutive multiples of 11 with the sum of 2178

geo
what are china's major imports and exports?

geo
oh, ok thank you!!

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