The number of protons plus the number of neutrons determines the ________ of an atom.
A. atomic mass
B. isotope
C. atomic number
D. valence electrons
Answer: A
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Which of the following represents the amount of oxygen that is necessary for the body to recover from anaerobic respiration?
A) creatine phosphate utilization period B) oxygen overload C) oxygen debt D) aerobic respiration
What makes a cell responsive to a particular hormone?
A. The chemical properties of the hormone B. The location of the target cells in the body C. The site where the hormone is secreted D. The presence of a receptor for that particular hormone E. The location of the gland that secretes the hormone
The union of the proximal and middle phalanges form ________ joints
A) saddle B) pivot C) plane (gliding) D) condylar (ellipsoid) E) hinge
The male voice tends to be in a lower range than a female's voice because men have
A. more taut vestibular folds. B. more air to push through the rima glottidis. C. wider arytenoid cartilages. D. shorter and fatter vestibular ligaments. E. longer and thicker vocal folds.