A proper definition of muscle tone is
A. constant tension produced by muscles for long periods of time.
B. muscles contracting together.
C. a feeling of well-being following exercise.
D. the ability of a muscle to maintain a contraction against an outside force.
E. warm-up of muscle tissue.
Answer: A
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a. derivatives of an amino acid b. produced from tyrosine c. stored on thyroglobulin within the follicular colloid d. all of the above e. only a and b
The movements known as dorsiflexion and plantar flexion are limited to the
A) radiocarpal joint. B) hip joint. C) glenohumeral. D) talocrural. E) sacroliliac.
The patient's blood pH is 7.50, their PCO2 is 52 mm Hg and their plasma HCO3- is 30 mEq/L. This is an example of _____.
A) Respiratory alkalosis without renal compensation B) Respiratory alkalosis with renal compensation C) Metabolic alkalosis with respiratory compensation D) Metabolic alkalosis without respiratory compensation
With aging, individuals tend to feel colder and usually need the thermostat in their home set higher in the winter to feel warm enough. This is probably because the elderly
A. exhibit a decrease in melanin production. B. no longer experience hot flashes at night. C. have less blood flowing to the skin. D. experience a decrease in the thickness of their subcutaneous layer. E. have an increase in shedding of stratum corneum cells.