This topic contains a solution. Click here to go to the answer

Author Question: What is the limiting factor for H+ excretion in the renal tubules? a. Excessive amounts of Cl b. ... (Read 63 times)

lbcchick

  • Hero Member
  • *****
  • Posts: 550
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
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
Wow, this really help


isabelt_18

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

For a complete list of videos, visit our video library