Describe the process and purpose of amniocentesis
What will be an ideal response
The position of the fetus and placenta is identified via ultrasound and palpation, and the skin is prepared with antiseptic and local anesthetic. A hypodermic needle is inserted through the abdominal wall and uterus to withdraw 10 mL of amniotic fluid from the amniotic cavity. The fluid and cells are examined and biochemically tested for abnormal proteins and chromosome abnormalities that may signal fetal problems and congenital defects.
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Which is not correct regarding the adrenal cortex?
A. It consists of four different layers, or zones. B. The adrenal cortex synthesizes over 25 different steroid hormones. C. Corticosteroid synthesis is controlled by the anterior pituitary. D. Each zone of the adrenal cortex synthesizes a different group of hormones. E. Its yellow color is due to the presence of stored lipids.
To help diagnose sleep disorders, doctors will measure which stage of sleep?
A. REM B. Myopia C. PERLA D. Amblyopia
Which structure is NOT a part of the larynx?
A. Thyroid cartilage B. Vocal cords C. Epiglottis D. Eustachian tubes
The tendency for physiological systems to stabilize internal conditions is called
A) homeostasis. B) disease. C) biology. D) responsiveness. E) adaptability.