Which of the following techniques involves passing a mild current through the brain to activate certain structures without damaging them? a. electroconvulsive tomography (ECT) b. magnetic resonance imaging (MRI) c. deep brain lesioning d. electrical stimulation of the brain (ESB)

The eye doctor uses an Acetylcholine-receptor blocker to maximally dilate the pupils; this allows the doctor to peer deep into the posterior eye-ball and observe the retina. Considering these facts, which nervous system is usually controlling the pupil diameter? (Which nervous system is “Acetylcholinergic"?) a. Somatosensory nervous system b. Sympathetic nervous system c. Reticular attenuating nervous system d. Parasympathetic nervous system

A brain parasite attacks only the grey matter of the cerebrum, where would you find damage done by this parasite?   Group of answer choices a. Only in the relatively thin, superficial layer of the cerebral cortex. b. In the neurosoma of neurons found in the cerebral cortex. c. In both the superficial cortex and in deeper basal nuclei. d. In the cerebral cortex of the frontal, parietal, temporal and occipital lobes but not in the insular lobe.

During the monitoring of the patient in the light stage of anesthesia, the __________________ reflex remains present. a.Patellar b.Palpebral c.Pinnal d.Pharynx