The presence of arterial anastomoses in the heart
A. increases the chance of a myocardial infarction by providing more places for blood clots to lodge
B. reduces the chance of a myocardial infarction by providing alternate sources of blood flow to the myocardium
C. increases the time it takes for blood to flow through the coronary circulation
D. is a sign of vascular disease
Answer: B. reduces the chance of a myocardial infarction by providing alternate sources of blood flow to the myocardium
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Which of the following are components of the pelvic girdle?
A) sacrum. B) coxal bones. C) all of the above. D) hip bones.
At normal fluid balance and solute concentration, the body fluids are:
a. isotonic b. hypotonic c. hypertonic d. highly acidic e. highly alkaline
A radiograph (X-ray) of a child's hand will show epiphyseal lines.
Answer the following statement true (T) or false (F)
Accommodation of the lens occurs when
A. ciliary muscles contract. B. the lens becomes more spherical. C. parasympathetic axons stimulate the ciliary muscles. D. the ciliary body moves closer to the lens. E. All of the choices are correct.