Taste buds on the tongue are often associated with epithelial projections called
A) macula.
B) lingual papillae.
C) ganglion cells.
D) pharyngeal papillae.
E) ampulla.
B
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Changes in the central nervous system that accompany aging include all of the following except
A) reduction in brain size and weight. B) decrease in the number of neurons. C) decreased blood flow to the brain. D) changes in synaptic organization in the brain. E) increased memory storage.
All of these muscles, except one, have their origin on the scapula. Select the exception
A. Pectoralis major B. Coracobrachialis C. Triceps brachii D. Subscapularis E. Infraspinatus
The cerebrum is divided into two hemispheres-right and left-by a deep groove, known as the gyri.?
Indicate whether the statement is true or false
Which statement accurately compares the transmission speed of the different types of synapses?
A. Transmission at electrical synapses involves a brief synaptic delay, but chemical synapses are faster. B. Transmission at chemical synapses involves a brief synaptic delay, but electrical synapses are faster. C. Electrical synapses have a constant delay of 1 millisecond, but chemical synaptic delays vary between 0.1 and 0.3 millisecond. D. Transmission at both chemical and electrical synapses involves a synaptic delay of approximately 1 millisecond.