CVS is taking cells from where?
a) Amnion
b) Chorion
c) Placenta
d) Umbilical cord
e) Uterus
b
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The abdominopelvic region that is immediately superior to the umbilical region is the
A) hypogastric region. B) left hypochondriac region. C) right inguinal region. D) epigastric region. E) left lumbar region.
The classification of a receptor as a photoreceptor or a mechanoreceptor depends on
A. the location of origin of the stimulus it perceives. B. the modality of the stimulus it perceives. C. its location in the body. D. whether it is a somatic or visceral receptor.
Select the most correct statement concerning skin cancer
A) Squamous cell carcinomas arise from the stratum corneum. B) Melanomas are rare but must be removed quickly to prevent them from metastasizing. C) Basal cell carcinomas are the least common but most malignant. D) Most tumors that arise on the skin are malignant.
Which of the following is not true of the skeletal system?
A) It interacts with the muscular system to provide movement. B) It interacts with the lymphatic system to regulate calcium levels. C) It interacts with the nervous system by providing protection to the spinal cord. D) It interacts with the cardiovascular system by providing blood cells. E) It interacts with the digestive system by absorbing more calcium when needed.