Which cranial nerve is NOT involved in eye movement?
A) vestibulocochlear nerve (VIII) B) trochlear nerve (IV)
C) oculomotor nerve (III) D) abducens nerve (VI)
Answer: A
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If a muscle fiber were to suddenly and permanently stop producing ATP the fiber would no longer be able to actively transport calcium out of the cytoplasm (sarcoplasm) and the intracellular calcium concentration would rise
Which of the following would you expect to happen? A) The fiber would twitch uncontrollably due to excessive calcium bound to troponin. B) Myosin would be able to bind to the exposed binding sites on thin filaments but it would not be able to detach. C) Calcium would be transported to the sarcoplasmic reticulum therefore contractions would cease. D) No change would occur in a muscle that was relaxed to begin with.
The initial response to stress is called the ________ and is mediated mainly by ________.
A. exhaustion stage; norepinephrine and epinephrine B. alarm reaction; norepinephrine and epinephrine C. resistance stage; aldosterone and cortisol D. resistance stage; cortisol E. alarm reaction; cortisol
The type of lamellae found between osteons (Haversian systems) is
A. interstitial. B. oppositional. C. appositional. D. circumferential. E. concentric.
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