Which of the following is NOT a part of the cytosol of cells?
a. ATP
b. ions
c. organelles
d. proteins
e. water
Answer: c. organelles
Anatomy & Physiology
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The peptide ________ may play a role in the positive feedback of estrogen on GnRH secretion.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
The plateau phase seen during the action potential of a cardiac muscle cell is due to the
A. sodium-potassium pump. B. continuing to have open Ca2+ channels. C. opening of Na+ channels. D. closure of Cl? channels. E. closing of Ca2+ channels.
Anatomy & Physiology
Which cardiac arrhythmia will have no QRS complex as a symptom?
A. Premature ventricular contractions B. Atrial fibrillation C. Ventricular fibrillation D. Bradycardia
Anatomy & Physiology
The superior portion of the esophagus contains smooth muscle in its wall.
Answer the following statement true (T) or false (F)
Anatomy & Physiology