3. What is the relationship between odorants and their receptors?
A. (A) every odorant is coded by only one receptor
B. (B) every odorant activates all receptors
C. (C) the relationship between odorants and their receptors are not one-to-one
D. (D) none of above
查看答案
2. Which sensation does not have adapting responses?
A. (A) vision
B. (B) smell
C. (C) pain
D. (D) taste
1. Which is wrong about Adrian’s laws?
A. (A) action potential is all-or-none
B. (B) graded potential is all-or-none
C. (C) strength of stimulus is coded by the firing frequency
D. (D) amplitude of action potentials is similar
Which monocular cue can help depth perception?
A. (A) perspective cues
B. (B) motion parallax
C. (C) occlusion
D. (D) all of above
2. Which type of nerve fiber is responsible for conducting warm signals from the skin?
A. (A) Aα nerve fiber
B. (B) Aβ nerve fiber
C. (C) Aδ nerve fiber
D. (D) C nerve fiber
微信支付 
支付宝支付