An element has 6 electrons, 6 protons, and 6 neutrons. What will be the mass number of that element?
A) 6
B) 12
C) 18
D) 36
E) 15
B) 12
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Which is an example of an autonomic reflex?
A) Patellar reflex B) Deep tendon reflex C) Pupillary light reflex D) Crossed extension reflex
If there is a stroke in the motor portion of the left side of the brain, it affects muscles of the right side of the body. Why?
A. The fibers in the motor tracts do not decussate. B. The fibers of the corticospinal tracts are ipsilateral. C. The fibers of the corticospinal tracts are contralateral. D. The fibers of the tectospinal tracts are contralateral. E. The fibers of the corticospinal tracts are unilateral.
Which statements are correct concerning the sympathetic division of the ANS?a: Preganglionic neuron cell bodies are located in the lateral horns of the T1?L2 regions.b: Preganglionic neuron cell bodies are located in brainstem nuclei.c: It is associated with the oculomotor and facial nerves.d: It participates in the "fight-or-flight" response.e: Preganglionic neuron cell bodies are located in the sacral region of the spinal cord.
A. a, c, d, e B. a, d C. a, b, d D. b, d E. b, c, e
The hepatic portal system allows for the processing of
A. drugs and toxins in the blood so that they are secreted directly into the urine. B. bacteria that grow in the large intestine but need to be regulated. C. nutrients and toxins absorbed from the gastrointestinal system into the blood. D. hormones that are secreted by glands and must be directed to their target organs.