This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is the limiting factor for H+ excretion in the renal tubules? a. Excessive amounts of Cl b. ... (Read 37 times)

lbcchick

  • Hero Member
  • *****
  • Posts: 550
on: Jul 16, 2018
What is the limiting factor for H+ excretion in the renal tubules?
 
  a. Excessive amounts of Cl
  b. Excessive amounts of HCO3
  c. Insufficient buffers
  d. Insufficient sodium

Question 2

The numerator of the Henderson-Hasselbalch (H-H) equation (HCO3) relates to which of the following?
 
  a. Blood concentration of nonbicarbonate buffers
  b. Excretion of volatile acid by the lungs
  c. Renal buffering and excretion of fixed acids
  d. Respiratory component of acid-base bal-ance


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ecabral0

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: C
When filtrate pH falls to 4.5, H+ secretion stops. Buffers in the tubular fluid are essential for the secretion and elimination of excess H+ ions in acidotic states.

Answer to Question 2

ANS: C
Because the kidneys control blood HCO3 and the lungs control blood CO2 levels, the H-H equation can be conceptually rewritten as follows:
PH  kidneys/lungs.


lbcchick

  • Member
  • Posts: 550
Reply 2 on: Jul 16, 2018
YES! Correct, THANKS for helping me on my review

31809pancho

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Polycystic kidney disease. Notice the presence of numerous fluid-filled sacs, or cysts, in these kid Polycystic kidney disease. Notice the presence of numerous fluid-filled sacs, or cysts, in these kid
Renal tubules Renal tubules
A functional renal unit. A functional renal unit.
Renal Pyramids: Cleansing Masters Renal Pyramids: Cleansing Masters
Risk factor for children age 2 to 3 Risk factor for children age 2 to 3
Relative expression times and amounts of cyclins during the cell cycle Relative expression times and amounts of cyclins during the cell cycle
Video: Structures that affect circulation - arterioles and vasomotor responses and venous return

For a complete list of videos, visit our video library