Increased ____ permeability of nodal cells hyperpolarizes the SA node
a. chloride
b. iodide
c. potassium
d. sodium
e. zinc
C
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Preprohormones give rise to lipophilic hormones
Indicate whether the statement is true or false
What three elements form the filtration membrane?
A) intraglomerular mesangial cells, afferent arteriole, and efferent arteriole B) visceral layer of the glomerular capsule, parietal layer of the glomerular capsule, and the macula densa C) macula densa, extraglomerular mesangial cells, juxtaglomerular cells D) glomerular capsule, fenestrated endothelium, and intraglomerular mesangial cells E) fenestrated endothelium, basement membrane, and foot processes of the podocyte
The body's major metabolic hormone, which is actually two iodine-containing hormones, is called ________
A) prolactin (PRL) B) growth hormone (GH) C) adrenaline D) thyroid hormone E) calcitonin
True or False: The nervous system and the endocrine system are the major control systems of the body
Indicate whether the statement is true or false.