Chapter 12 The Central Nervous System

Question 0

The innermost layer of the meninges, delicate and closely apprised to the brain tissue, is the?

Answer 0

Pia mater

Question 1

The primary motor cortex, Broca’s area, and the premotor cortex are located in which lobe?

Answer 1

Frontal lobe

Question 2

Cerebrospinal fluid is formed by?

Answer 2

Choroid plexuses

Question 3

Basal nuclei involved in fine control of motor activities

Answer 3

Striatum

Question 4

Region where there is a gross crossover of fibers of descending pyramidal tracts

Answer 4

Medulla oblongata

Question 5

Control of temperature, autonomic nervous system reflexes, hunger, and water balance

Answer 5

Hypothalamus

Question 6

Houses the substantia nigra and cerebral aqueduct

Answer 6

Midbrain

Question 7

Relay stations for visual and auditory stimuli input; found in midbrain

Answer 7

Corpora quadrigemina

Question 8

Houses vital centers for control of the heart, respiration, and blood pressure

Answer 8

Medulla oblongata

Question 9

Brain area through which all the sensory input is relayed to get to the cerebral cortex

Answer 9

Thalamus

Question 10

Brain area most concerned with equilibrium, body posture, and coordination of motor activity

Answer 10

Cerebellum

Question 11

Which of the following tracts convey vibration and other specific sensations that can be precisely localized?

Answer 11

Medial lemniscus

Question 12

Destruction of the ventral horn cells of the spinal cord results in loss of?

Answer 12

Voluntary motor impulses

Question 13

Fiber tracts that allow neurons within the same cerebral hemisphere to communicate are?

Answer 13

Association fibers

Question 14

A professor unexpectedly blew a loud horn in his anatomy and physiology class. The students looked up startled. The reflexive movements of their eyes were mediated by the

Answer 14

Superior colliculi