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Jesse y
Anatomy Weeks 1-5
| Question | Answer |
|---|---|
| The total number of electrons in a neutral atom equals the number of: | protons in its nucleus |
| The elements carbon, hydrogen, oxygen, and nitrogen make up which percentage of the human body? | 96% |
| As the concentration of hydroxide ions (OH–) increases, the: | solution becomes more basic and becomes more acidic. |
| A list of the cell fibers from largest to smallest would read | microtubules, intermediate filaments, microfilaments |
| Mesoderm interacts with endoderm and ectoderm to give rise to | the heart, skeletal muscles, mesenchyme |
| The fluid environment that fills the spaces between the cells of the body is called | intracellular matrix |
| MOLECULES are | atoms combined to form larger chemical aggregates |
| If you are working on an archeological dig and find the remains of a human pelvis with a subpubic angle of 110 degrees, you can assume that this pelvis belongs to a | female |
| The most abundant element essential to life is | carbon |
| A molecule that is polar | has an unequal charge. |
| In the human nervous system: | there are almost equal numbers of glia cells and neurons. |
| Which is true of a reflex arc? | It always consists of an afferent neuron and an efferent neuron. |
| Nerves that contain mostly afferent fibers are called _____ nerves. | sensory |
| Dendrites conduct impulses _____ cell bodies. | toward |
| Gray matter in the brain and spinal cord consists primarily of: | cell bodies. |
| This is the site of communication between neurons. | synapse |
| Nerves that originate from the brain are called _____ nerves. | cranial |
| The _____ nervous system is a complex network of nerve pathways embedded in the intestinal wall with a network of integrators and feedback loops that can act somewhat independently. | enteric |
| Excitable cells that conduct the impulses are called | neurons |
| The _____ of a neuron is a single process that usually extends from a tapered portion of the cell body. | Axon |