In which layer of skin are keratinocytes produced?
A) dermis
B) subcutaneous layer
C) stratum spinosum
D) stratum corneum
E) stratum basale
Answer: E
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The venous valves
a. actively contract to force blood uphill against gravity b. passively close to prevent the backflow of blood in the veins c. prevent blood from flowing into lymphatic vessels d. primarily prevent blood plasma from moving into the interstitial fluid e. perform all of the above functions
When the bladder wall is distended as a result of urine accumulation, the stretch receptors are stimulated and send afferent impulses to the spinal cord that
a. stimulate parasympathetic nerves, which return to the bladder and cause it to contract. b. inhibit the motor neurons that normally keep the external urethral sphincter closed. c. stimulate nerves that go to the kidney and prevent glomerular filtration until the bladder is empty. d. both (a) and (b) above. e. all of these answers.
Aerobic respiration does not require oxygen in order to produce ATP.
a. true b. false
Define hemolytic disease of the newborn (HDN)
A) Hemolytic disease of the newborn is a congenital defect in the development of the heart. B) Hemolytic disease of the newborn is a result of delayed bone marrow development. C) Hemolytic disease of the newborn is a result of abnormally shaped hemoglobin molecules. D) Hemolytic disease of the newborn is due to a deficiency in the numbers of red blood cells produced, resulting in anemia. E) Hemolytic disease of the newborn is a condition in which maternal Rh antibodies attack and destroy fetal Rh-positive red blood cells, resulting in anemia.