When external temperatures increase, blood vessels in the dermis dilate to bring more blood flow to the surface of the body
a. True
b. False
Indicate whether the statement is true or false
True
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The term "tachypnea" means ________
A) Fast heart rate B) Fast breathing C) Fast spike in temperature D) Fast blood pressure rise
During the beginning of ventricular systole when the muscle is contracting but not enough pressure has built up to open the semilunar valves the heart is said to be in
A) atrial kick. B) isovolumetric contraction. C) isovolumetric relaxation. D) atrial systole. E) passive ventricular filling.
Although the lining of the uterine tubes contains cilia and the lining of the uterus does not, the epithelium within both organs is categorized as
A. pseudostratified columnar epithelium. B. simple columnar epithelium. C. nonkeratinized squamous epithelium. D. stratified cuboidal epithelium. E. simple cuboidal epithelium.
Neurons either conduct action potentials along the length of their axons, or they remain at rest. This statement best describes ________
A) a reflex arc B) the all-or-none response C) repolarization D) saltatory conduction E) graded potential