A genetic mutation that causes nonfunctioning melanocytes that do NOT produce any melanin is known as ________
A) albinism
B) cyanosis
C) jaundice
D) necrosis
A
Explanation: A) Correct!
B) Cyanosis is not related to melanocytes or melanin.
C) Jaundice is not related to melanocytes or melanin.
D) Necrosis is not related to melanocytes or melanin.
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Convert 333 g to mg.
A) 333,000 mg B) 333,000,000 mg C) 3330 mg D) 33,300 mg E) 3,330,000 mg
After an action potential is propagated to the axon terminal and calcium channels are opened, which of the following happens next?
a. Sodium moves into the muscle cell. b. Potassium moves out of the muscle cell. c. Acetylcholine is released from the neuron. d. Calcium is released onto the muscle fiber membrane.
A closed sac of synovial fluid that reduces friction between a soft tissue and a bone is called a
A. meniscus. B. disc. C. foramina. D. symphysis. E. bursa.
Which of the following is a correct unit of pressure?
A. N/cm2 B. slugs C. Newton's D. kg/cm2