How is backflow of urine prevented

Assignment Help Biology
Reference no: EM13148777

How is backflow of urine prevented?

Select one.

A.
Urethral sphincters keep urine from flowing back into the kidneys.
B.
Valve-like folds in the bladder prevent urine from flowing back into urethra.
C.
Smooth muscle in the urethra prevents urine from flowing back into the bladder.
D.
One-way valves in calyces prevent urine from flowing into the medulla.

Reference no: EM13148777

Questions Cloud

Conclude at level of significance new ball has improved game : Averaging 204 pins with a standard deviation of 24.9, can one conclude at a level of significance of .01 that the new ball has improved his game?
What is the steady-state output per capita level : Assume an economy with an aggregate production function of the form Y = 1.5K. If the nation’s population grows at 5%, the rate of depreciation is 3%, and the savings rate is 8%, what is the steady-state output per capita level?
Which list contains structures anterior and superficial : Which list contains structures anterior and superficial to the heart?
What is the gain or loss on this retirement : A company has bonds outstanding with a par value of $400,000. The unamortized premium on these bonds is $2,000. The company retired these bonds by buying them on the open market at 97. What is the gain or loss on this retirement?
How is backflow of urine prevented : How is backflow of urine prevented?
Define molecules of an equilibrium gas : write an equat ion which, if solved,would give the average scalar momentum, , of molecules of an equilibrium gas.
Evaluate the existing compensation plan : Critically evaluate the existing compensation plan and recommend any changes.
Partner-in-charge and a consulting partner : What is the purpose of having both a partner-in-charge and a consulting partner on each audit engagement? should the partners be rotated among thier clients periodically? why or why not? (short question answer)
What can you say to reassure him : After the birth of her 12th child, Susan insisted that her husband have a vasectomy. John is afraid that he will "dry up" and be impotent.

Reviews

Write a Review

Biology Questions & Answers

  Recognizing the change in ventricular system

A patient displaying the enlargement of lateral and third ventricles, however no enlargement of fourth ventricle. Explain what do you conclude.

  Which child is most expected to be the tallest

Also glucose technically doesn't have a carbonyl functional group then because it is broken when the ring structure is formed? Is it a random chance that either alpha or beta glucose is formed.

  Why is a homozygote for the same translocation fully fertile

If a translocation heterozygote is semisterile, why is a homozygote for the same translocation fully fertile?

  Would the following enhance or diminish the effect of ach

Would the following enhance or diminish the effect of Ach.

  Calculate the ph values

Two solutions of sodium acetate are prepared, one having a concentration of 0.1 M and the other having a concentration of 0.01 M. Calculate the pH values when the following concentrations of HCl have been added to each of these solutions: 0.0025M,..

  Functions of skeletal system

Important functions of skeletal system involve: protection of the brain and soft organs. storage of water.  production of Vitamin E.

  What is the most likely organism

a 45-year old lawyer presents to you office complaining of sporadic cough, fatigue, and low-grade fever for the past seven days. ten days prior, he attended a convention in chicago where the air conditionaer was set at 68 f.

  Frogs are extremely sensitive to acid rain

Frogs are extremely sensitive to acid rain. How might this information be used to investigate your observation about the trees dying in the forest.

  Plan a controlled experiment to test the hypothesis

A subject extends his arm palm up to catch a falling object. The contact of object with the hand triggers a reflexive response in the biceps muscle. But this response is different and opposite if the object is a raw egg instead of a ball. Explain why..

  Why is a percentage scale used for the x-axis

Why is a percentage scale used for the x-axis rather than actual ages? A) Researchers don't know the maximum life span of the organisms. B) This scale allows you to compare species with widely varying life spans on the same graph.

  What is the length of the wildtype enzyme

What was the mutational event that gave rise to the frameshift mutant? Determine precisely where the single nucleotide insertion or deletion occurred in the b-lactamase coding sequences.

  Determine the apparent vm and km values for new stat

An existing drug, OLD-STAT, is a competitive inhibitor of an enzyme that is too active in diabetes. The enzyme assay used to test and compare drug candidates is carried out at = 0.15 mM.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd