Anatomy Exam 3

The ___ is the largest part of the hindbrain.

•   cerebellum

•   pons

•   brainstem

•   cerebrum

•   hypothalamus

The cerebellum exhibits folds called gyri separated by grooves called sulci.

•   True

•   False

The medulla oblongata is the most rostral part of the brain.

• True

•   False

The right and left cerebral hemispheres are separated from each other by

•   the longitudinal fissure.

•   the corpus callosum.

•   the brainstem.

•   many gyri.

During rapid eye movement (REM) sleep

•   the muscles relax, and body temperature, blood pressure, and heart and respiratory rates fall.

•   a person begins to relax and feels drowsy.

•   the muscles are very relaxed and body temperature, blood pressure, and heart and respiratory rates are at their lowest levels.

•   the muscles are paralyzed, and body temperature, blood pressure, and heart and respiratory rates increase.

Nonfluent aphasia, due to a lesion in the ___, results in slow speech, difficulty in choosing words, or use of words that only approximate the correct word.

•   Broca area

•   primary motor area

•   cerebral lateralization

•   Wernicke area

Which of the following functions would most likely be controlled by the representational hemisphere of the cerebrum?

•   painting a picture

•   diagnosing a patient's disease

•   giving a speech

•   balancing your checkbook

Both cerebrum and cerebellum have gray matter in their surface cortex and deeper nuclei, and white matter deep to the cortex.

•   True

•   False

Structures in the diencephalon control homeostasis and relay sensory signals to specific regions of the cerebral cortex.

•   True

•   False

There are three cranial nerves involved in eye movement and two in the sense of taste.

•   True

•   False