The figure illustrates bones of the right upper limb. What does "B" represent?
A. Phalanges
B. Ulna
C. Radius
D. Carpals
E. Metacarpals
Answer: C
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A college student had a depressed mood and trouble falling asleep. Which chemical neurotransmitter could cause such problems?
A. Acetylcholine B. Epinephrine C. Endorphins D. Serotonin
. When fluid intake equals fluid output, and there is a normal distribution of solvent and solutes in the body's fluid compartments, fluid ________ exists
Fill in the blank with correct word.
Acetylcholine ________.
A. can bind to nicotinic receptors B. is always an excitatory neurotransmitter C. can bind to adrenergic receptors D. is an inhibitory neurotransmitter released by motor neurons
Slowly adapting proprioceptors that would let you know the position of your thumb without looking at it are known as ________ receptors.
A. tonic B. primary C. secondary D. phasic