practiceexam_1 - PSL 431 – Cell Physiology – Practice...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: PSL 431 – Cell Physiology – Practice Exam 1 – Fall 2006 1. The Nernst potential for ion Y+ across the plasma membrane is -130 mV. Therefore A. this ion is considerably more concentrated in the ECF than the cytoplasm. B. there is a large concentration force driving Y+ out of the cell. C. opening a pathway for Y+ would cause membrane depolarization. D. this description fits the conditions for Y + being Na+. E. None of the above are true. 2. In which of the following is a transport protein correctly matched with its transport function? A. ryanodine channel-- efflux of Ca++ from cardiac muscle cells B. glucose/Na+ symporter-- glucose uptake by kidney cells C. CFTR—Na+ efflux in cystic fibrosis D. Na+ K+ pump – paracellular transport of Na+ E. nAchR—influx of Ca++ during long term potentiation....
View Full Document

{[ snackBarMessage ]}

Page1 / 3

practiceexam_1 - PSL 431 – Cell Physiology – Practice...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online