In the proximal tubule:

a. the filtrate is hypertonic to plasma
b. most filtered nutrients, water and sodium are reabsorbed back into the bloodstream
c. the filtrate may become more concentrated than plasma
d. secretion is the major activity


Answer: b. most filtered nutrients, water and sodium are reabsorbed back into the bloodstream

Anatomy & Physiology

You might also like to view...

A narrow ridge of bone is known as the ________.

A. crest B. head C. spine D. condyle

Anatomy & Physiology

Inspiration involves the external intercostal and diaphragm muscles.

a. true b. false

Anatomy & Physiology

Which of the following is NOT a characteristic of epithelial tissues? 

A. They regenerate rapidly by mitotic cell division. B. They contain blood vessels. C. Cells are closely packed together. D. They are attached to a basement membrane.

Anatomy & Physiology

Ribosomes are found attached to smooth endoplasmic reticulum or freely in the cytoplasm

Indicate whether the statement is true or false

Anatomy & Physiology