Exam 1 Clicker Questions

Question 1

More than half the ganglion cells are of the X type. Which of the following is NOT a characteristic of X types of ganglion cells?

A) They have a medium diameter axon
B) They transmit at 14 m/sec
C) They are probably responsible for all color vision
D) They have extensive fields

Answer 1

D) They have extensive fields

Question 2

The geniculocalcarine tract terminates in which of the following areas?

A) Lateral geniculate nucleus of the thalamus
B) Visual cortex
C) Nuclear ruber
D) Premotor cortex

Answer 2

B) Visual cortex

Question 3

Primary sensory neurons from the lower limbs travel through which of the following pathways?

A) Fasciculus cuneatus
B) Medial lemniscus
C) Fasciculus gracilis
D) Internal capsule

Answer 3

C) Fasciculus gracilis

Question 4

The total refractive power of the human eye is about ________

A) 10 diopters
B) 15 diopters
C) 25 diopters
D) 40 diopters
E) 60 diopters

Answer 4

E) 60 diopters

Question 5

All the output neurons that are stimulated by an incoming fiber comprise the _______

A) Neuronal pool
B) Discharge zone
C) Zone of facilitation
D) Stimulatory fold

Answer 5

B) DIscharge zone