A clot that breaks loose and floats in the blood is called a(n)
A) aneurysm
B) thrombus
C) embolus
D) plaque
Answer: C) embolus
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The sleep-wake cycle is controlled by interactions among how many neural systems?
a. 1 b. 2 c. 3 d. 4 e. 5
If glucose is present in urine, it suggests ________
A) bacterial infection B) high blood pressure C) insufficient insulin production by the pancreas D) diet high in protein
Which is the correct path of an electrical excitation from the pacemaker to a cardiocyte in the left ventricle (LV)?
A) Sinoatrial (SA) node ? atrioventricular (AV) node ? Purkinje fibers ? atrioventricular (AV) bundle ? cardiocyte in LV B) Sinoatrial (SA) node ? atrioventricular (AV) node ? atrioventricular (AV) bundle ? Purkinje fibers ? cardiocyte in LV C) Atrioventricular (AV) node ? Purkinje fibers ? atrioventricular (AV) bundle ? sinoatrial (SA) node ? cardiocyte in LV D) Sinoatrial (SA) node ? atrioventricular (AV) bundle ? atrioventricular (AV) node ? Purkinje fibers ? cardiocyte in LV E) Atrioventricular (AV) node ? sinoatrial (SA) node ? atrioventricular (AV) bundle ? Purkinje fibers ? cardiocyte in LV
Severe diarrhea results in the increased elimination of
A. hydrogen ions and therefore causes acidosis. B. hydrogen ions and therefore causes alkalosis. C. bicarbonate ions and therefore causes acidosis. D. bicarbonate ions and therefore causes alkalosis.