Which of the following muscles inserts on the metacarpals and the carpals?
A. Extensor carpi radialis
B. Flexor carpi radialis
C. Extensor carpi ulnaris
D. Flexor carpi ulnaris
Answer: C
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Water has the ability to dissolve polar covalent molecules like sucrose by
A) forming hydration spheres around the molecule. B) pulling atoms out of the molecule and into solution. C) creating crystals of positively and negatively charged atoms. D) taking electrons from the polar covalent molecule. E) ionization.
The pronator muscles of the forearm are innervated by the ________ nerve or a branch of that nerve.
A) median B) axillary C) musculocutaneous D) ulnar E) radial
The nucleus of a cell is contained with a nuclear membrane, which is impermeable.?
Indicate whether the statement is true or false
The flexor (withdrawal) reflex
A. has a monosynaptic component. B. is initiated by stretching muscle spindle fibers. C. is initiated by stimulation of the Golgi tendon organ. D. stimulates contraction of the ipsilateral flexor muscle and inhibits contraction of the ipsilateral extensor muscle. E. stimulates contraction of the contralateral flexor muscle and inhibits contraction of the contralateral extensor muscle.