During amniocentesis
A) fetal fibroblasts in amniotic fluid are cultured and a karyotype constructed.
B) a piece of the placenta is snipped off and examined for abnormal cells.
C) blood is removed from a woman's arm and fetal cells isolated and their
chromosomes karyotyped.
D) a needle removes cells from the fetus.
A
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Strong reinforcement for the anterior aspect of the hip joint is provided by the Y-shaped
A. iliofemoral ligament. B. pubofemoral ligament. C. ligament of the head of the femur. D. ischiofemoral ligament.
Which of the choices below does not describe how recovery oxygen uptake (oxygen deficit) restores metabolic conditions?
A) converts lactic acid back into glycogen stores in the liver B) resynthesizes creatine phosphate and ATP in muscle fibers C) increases the level of lactic acid in the muscle D) replaces the oxygen removed from myoglobin
During diastole, the ________.
A. pressure in the arteries falls to near 0 mm Hg B. ventricular muscle is relaxing C. volume of blood in the ventricles decreases D. two of the above
Which type of bone cells lie in lacunae?
A. osteocytes B. osteoblasts C. osteoclasts D. osteochondral progenitor cell