Identify the substance that is secreted by the proximal tubule and prevents the pH of urine from becoming too acidic
A. Bicarbonate
B. Salt
C. Glucose
D. Hydrogen ion
Select your answer:
Topics:
Nervous System: Diseases/Problems/Illnesses Psychology Vocabulary Oxygenation Purpose and Function of the Skeletal System Renal Heredity and Living Cells Confusion, Dementia, & Alzheimers Disease Homeostasis, Nutrition, Digestion & Absorption Blood and Hematology Body Movements Diseases of The Digestive System DNA and Polypeptide Synthesis Characteristics of Life & Viruses Tissues of The Body Adaptive Immune SystemOther quiz:
Musculoskeletal System Responses to Exercises › ViewWhat is the role of calcium ions in muscle contraction?
A. Initiate muscle relaxation
B. Activate troponin to expose binding sites on actin
C. Generate ATP for cross-bridge formation
D. Stabilize the sarcomere structure
The Vascular System and Blood Flow › View
What is the main role of the nervous system in the return of blood to the heart?
A. Assisting in the distribution of blood to different organs
B. Pushing or massaging blood back to the heart with each muscle contraction
C. Causing veins to slightly constrict to return more blood to the heart
D. Creating a difference in pressure between the veins in the chest and abdominal cavities