click below
click below
Normal Size Small Size show me how
Studystack 1
| Question | Answer |
|---|---|
| What does “proximal” refer to in anatomical terms? | Closer to the point of attachment or origin. |
| Name the five main types of neuroglia in the CNS and PNS. | Astrocytes, oligodendrocytes, microglia, ependymal cells, Schwann cells. |
| The somatic nervous system controls _______. | Skeletal muscles. |
| What is a synapse? | The site of communication between two neurons. |
| What is the resting membrane potential of a neuron? | Approximately -70 mV. |
| Fill in the blank: Ligand-gated ion channels open in response to ________. | Binding of a chemical messenger or neurotransmitter. |
| Name one common consequence of antibiotic misuse. | Development of drug-resistant bacterial strains. |
| Define “hyperpolarization.” | Movement of the membrane potential away from zero, making the inside more negative. |
| Which drug is contraindicated in children under 8 due to tooth discoloration? | Tetracycline. |
| What are the two divisions of the efferent autonomic nervous system? | Sympathetic and parasympathetic. |