Select the correct statement regarding synapses.
A) Cells with interconnected cytoplasm are chemically coupled.
B) The release of neurotransmitter molecules gives cells the property of being electrically coupled.
C) Neurotransmitter receptors are located on the axons of cells.
D) The synaptic cleft prevents an impulse from being transmitted directly from one neuron to another.
D) The synaptic cleft prevents an impulse from being transmitted directly from one neuron to another.
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Calculate cardiac output if the heart rate is 125 beats/minute, the end-diastolic volume is 130 ml, and the end-systolic volume is 40 ml
A) 21,250 ml / min B) 16,250 ml / min C) 11,250 ml / min D) 195 ml / min E) 200 ml / min
A power stroke involves
A. a myosin head pulling a thin filament toward the center of the sarcomere. B. an actin molecule pulling a myosin molecule toward the M-line. C. a thick filament pushing an actin filament towards the nearest Z-line. D. a thin filament shortening in length and thereby shortening the sarcomere.
An EPSP is conducted in a decremental fashion to the axon hillock, where voltage-gated Na+ and K+ channels are opened. This creates an action potential in the first segment of the axon.
Answer the following statement true (T) or false (F)
Which of the following movements is possible at the hip or coxal joint?
A. rotation B. flexion C. adduction D. circumduction E. All of these are possible.