When more action potentials arrive at the axon terminal, how are neurotransmitters affected?
A) Different molecules are released into the synapse.
B) More molecules are released into the synapse.
C) There is no effect–all signals are identical.
D) Fewer molecules are released into the synapse.
B) More molecules are released into the synapse.
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Daughter cells produced in meiosis are identical.
a. true b. false
To auscultate the aortic semilunar valve, you would place your stethoscope in the ________
A) second intercostal space to the right of the sternum B) second intercostal space to the left of the sternum C) fifth right intercostal space D) fifth intercostal space inferior to the left nipple
A 21-year-old man receives a penetrat- ing knife wound in the abdomen and is injured in both the superior mesenteric artery and the vagus nerve. Which portion of the colon would most likely be impaired by this injury?
(A) Ascending and descending colons (B) Transverse and sigmoid colons (C) Descending and sigmoid colons (D) Ascending and transverse colons (E) Transverse and descending colons
The cell body of a neuron is also called a(n) __________.
A. neuroglia B. dendrite C. nerve fiber D. neurosoma