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Week 14
| Question | Answer |
|---|---|
| The fastest nerve fibers in the body can conduct impulses up to approximately _____ meters per second. | 130 |
| Compared with the outside of the neuron, the inside has a(n) ____ charge. | negative |
| Neurotransmitters are released in a synapse and bind to: | receptors on the postsynaptic neuron. |
| A term commonly used as a synonym for action potential is | nerve impulse |
| Dopamine, epinephrine, and norepinephrine are classified as: | catecholamines |
| Damage to the _____ nerve could make the diaphragm unable to function. | phrenic |
| T/F: Most effectors of the autonomic nervous system are dually innervated by sympathetic and parasympathetic neurons. | True |
| Normal infants will show the Babinski reflex up to the age of _____ years. | 1.5-2 |
| The cerebellum acts with the _____ to produce skilled movement | cerebrum |
| If you slammed your finger in a car door, it would stimulate _____ pain fibers. | acute |
| The major hormone produced by the corpus luteum is: | progesterone |
| Movement of hair cells in the organ of Corti against the _____ membrane can stimulate nerve impulse condition. | tectorial |
| Neutrophils are highly mobile and phagocytic. They migrate out of blood vessels and into tissue spaces. This process is called | diapedesis |
| _____ is used to determine the volume percentage of red blood cells in whole blood. | Hematocrit |
| The lymphatic system serves various functions in the body. The two most important functions of this system are | fluid balance and immunity. |
| The presentation of an antigen by an antigen-presenting cell activates the T cell. The cell then divides repeatedly to form a clone of identical sensitized T cells that form | effector T cells and memory cells. |
| By the time the blood leaves the lung capillaries to return to the heart, what percentage of the blood’s hemoglobin has united with oxygen? | 97% |
| T/F: Raising the ribs decreases the depth and width of the thorax. | False |