Which of the following cells is largely responsible for skin color?
A. Melanocyte
B. Dead keratinocyte
C. Dendritic cell
D. Tactile cell
E. Keratinocyte
Answer: A
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Which of the following normally occurs when a doctor's reflex hammer taps a patient's patellar tendon?
A. Alpha motor neurons stimulate contraction of extrafusal fibers in extensor muscles. B. Alpha motor neurons stimulate contraction of intrafusal fibers in extensor muscles. C. Golgi tendon organs in the patellar tendon stimulate the contraction of extrafusal fibers of extensor muscles. D. Alpha motor neurons that innervate ipsilateral flexor muscles are stimulated. E. Inhibitory interneurons reduce action potential firing in alpha motor neurons to extrafusal fibers of extensor muscles.
The conscious perception of cutaneous sensations occurs in the cerebral cortex, but these sensations are perceived as if they were on the surface of the body. This is called ________.
A. localization B. association C. projection D. integration E. perception
Nicotine to aid smoking cessation can be delivered by transdermal patches.
Answer the following statement true (T) or false (F)
Before the mRNA transcribed from a gene can be used to translate into a protein, it must be
A) edited to remove introns. B) edited to remove exons. C) transported into the cytoplasm. D) edited to remove introns and transported into the cytoplasm. E) coated with phospholipids for transport out of the nucleus.