Q:

The absolute refractory period in the ventricles

safaTerkawi
Save to bookmark
|
2022-08-07
|
  106 
0

 The absolute refractory period in the ventricles.

  1. Is the period when the ventricles are completely inexcitable.
  2. Corresponds to the period of ventricular depolarization.
  3. Corresponds approximately to the period of ventricular contraction.
  4. Is shorter than the corresponding period in atrial muscle.
  5. Decreases during sympathetic stimulation of the heart.
Medicine, textbook solutions, MCQ Questions, Medicine textbook-solutions, Medicine MCQ-questions,
login and add your own answer to this question

All Answers

safaTerkawi
2022-08-07
need an explanation for this answer? contact us directly to get an explanation for this answer

A. True   This is the definition.

B. True   Depolarized cells cannot be excited.

C. True   This prevents tetanic contraction of the heart.

D. False   It is longer, as is the duration of its depolarization.

E. True   Shortening the refractory period permits higher heart rates.

need an explanation for this answer? contact us directly to get an explanation for this answer

total answers (1)

Similar questions

need a help?

find thousands of online teachers now