What kind of tactile receptor is stimulated by light, sustained touch?
a. Pacinian corpuscles
b. Merkel's discs
c. Ruffini endings
d. Meissner's corpuscles
e. dermatomes
b
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_________ trigger(s) secretion of aldosterone.
A. Increased K+ B. Angiotensin II C. ANP D. Both a and b
The exchange of genetic material between non-sister chromatids that may result in new gene combinations on the chromosomes is called _________________
A. crossing over B. synapsis C. duplication D. random assortment E. reduction division
Secondary hypertension can be caused by ________
A) kidney disease B) stress C) smoking D) obesity
A functional syncytium of cardiac muscles cells means that they
a. are striated b. exhibit muscle tone c. have a short refractory period d. lack the stimulation of a pacemaker e. work as a unit mechanically and electrically