Cells of the conducting system in the heart are more sensitive to which ion?
A. Sodium
B. Potassium
C. Iron
D. Chloride
Answer: B
Anatomy & Physiology
You might also like to view...
Growth hormone releasing hormone (GHRH) is one of the regulatory hormones released by the hypothalamus that acts on the pituitary
Indicate whether this statement is true or false.
Anatomy & Physiology
Define physiologic muscle fatigue.
What will be an ideal response?
Anatomy & Physiology
The secretion of ________ is controlled by a ________ mechanism.
A. oxytocin; positive-feedback B. antidiuretic hormone; positive-feedback C. antidiuretic hormone; negative-feedback D. oxytocin; negative-feedback
Anatomy & Physiology
The ________ separates the posterior chamber from the vitreous chamber
A. iris B. choroid C. lens D. sclera
Anatomy & Physiology