Question

1. what kind of seizure has contractions that usually start in a group of muscles on one side of the body and spread to the extremities and the whole body?

jacksonian
idiopathic
nocturnal
petit mal

1. the structure that conducts nerve impulses to and from the brain and serves as a reflex center for some sensory information without input from the brain is the;

spinal cord
medulla oblongata
meninges
pons

Explanation:

Question 3

Jacksonian seizures (also called simple partial seizures with motor onset) start with muscle contractions in a group on one side of the body and can spread. Idiopathic seizures have unknown causes but don't match the spread pattern. Nocturnal seizures occur at night, not defined by this spread. Petit mal (absence seizures) are brief staring spells, not motor spread.

The spinal cord conducts nerve impulses to/from the brain and acts as a reflex center (e.g., knee - jerk reflex) without brain input. Medulla oblongata controls vital functions, meninges are protective layers, pons relays signals, none match the reflex center and conduction role as the spinal cord.

Answer:

A. Jacksonian

Question 4