What are the factors that determine the peak force and maximal shortening velocity of muscles?
A. (A) diameters and lengths of muscles
B. (B) arrangements and dimensions of muscles
C. (C) number of muscle fibers and innervated motor neurons
D. (D) mitochondria numbers in muscle cells
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Which is correct about gustatory processing?
A. (A) cranial nerve VII, IX, and X are involved
B. (B) anterior insula-frontal operculum is responsive for gustatory information processing
C. (C) gustatory information in the hypothalamus is for the control of feeding behavior
D. (D) all of the above
Which is correct about different tastes on the tongue?
A. (A) bitter is located on the tip of the tongue
B. (B) sweet is located on the root of the tongue
C. (C) salty is located on the side of the tongue
D. (D) there is no tongue map
Why can we discriminate so many different odors?
A. (A) because each odorant can activate all receptors
B. (B) because different odorants are detected by different combinations of receptors
C. (C) because one glomerulus is responsible for one odorant
D. (D) because new odor stimuli evoke formation of new odorant receptors
Which is wrong about the structure of a sarcomere?
A. (A) thick filament is made of myosin
B. (B) thin filament is made of actin
C. (C) bridge is formed by contacting actin and myosin tail
D. (D) sarcomere is the unit of myofibril
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