Which of the following statements is NOT true concerning the resting membrane potential?
A) The membrane is relatively more permeable to potassium ions than to sodium ions.
B) Potassium ions are constantly moving out of the cell down their concentration gradient.
C) Sodium ions are in relatively higher concentration inside the cell than outside.
D) The membrane is relatively permeable to chloride ions.
Answer: C) Sodium ions are in relatively higher concentration inside the cell than outside.
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Damage to the ventral roots of the first five thoracic spinal nerves on the right side of the body would interfere with the ability to
A) dilate the right pupil. B) constrict the right pupil. C) dilate the left pupil. D) constrict the left pupil. E) smile and frown.
An educated speculation or a possible answer to a question is called a(n) ________.
A. fact B. scientific method C. hypothesis D. theory E. law
Which is not a carpal bone?
A. Scaphoid B. Trapezium C. Trapezoid D. Capitulum E. Hamate
Henry has a cut on his thigh that becomes infected. As a result, the lymph nodes in his ________ enlarge.
A. cervical region B. supratrochlear region C. inguinal region D. thoracic region