In order to retain heat, what occurs in the skin on a cold day?
A. Blood vessels of the dermis constrict.
B. Blood vessels of the dermis dilate.
C. Blood vessels of the epidermis constrict.
D. Blood vessels of the epidermis dilate.
A
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Which of the following epithelial membranes is the largest organ of the integumentary system?
A) Parietal B) Visceral C) Mucous D) Cutaneous
The anatomical arm refers to the part of the upper limb from the
A. shoulder to the wrist. B. elbow to the wrist. C. shoulder to the elbow. D. elbow to the fingers. E. shoulder to the fingers.
What genetic disorder is characterized by lack of skin, hair, eye coloration?
A. albinism B. sickle-cell disease C. hemophilia D. Down syndrome E. achondroplasia
Cells found between the capillary endothelium and the glomerular epithelium that are important in regulating glomerular blood flow are the
A) filtration slits. B) mesangial cells. C) fenestrated cells. D) pyramidal cells. E) podocytes.