A bony wall with two openings a superior oval window the following characteristi

Question

A bony wall with two openings a superior oval window the following characteristics? a. it separates the middle ear from the inner ear b. it separates the middle ear from the eustachian tube (pharyngotympanic tube) c. the round window connects to the cochlea d. the round window connects to th semicircular canals e. both a and c Which of the following nerves listed transmits sound to the brain? a. chochlear nerve b. vestibular nerve c. facial nerve d. both a and b e. all of the above Which part of the ear lies next to the internal carotid artery? a. pharyngotypanic tube b. bony labyrinth c. semicircular canals d. anterior wall of middle ear e. cochlear duct The endomysium covers a. fascicles b. muscle fibers c. external surface of the muscle itself d. surface of the tendons attaching muscle to bone e. none of the above Which covering of muscle tissue is composed of reticular fibers & loose areolar connective tissue? a. endomysium b. ligaments c. tendon

Explanation / Answer

30.d. Vestibulocochlear nerve -each of the eighth pair of cranial nerves, conveying sensory impulses from the organs of hearing and balance in the inner ear to the brain. The vestibulocochlear nerve on each side branches into the vestibular nerve and the cochlear nerve.

32.b.The endomysium, meaning within the muscle, is a wispy layer of areolar connective tissue that ensheaths each individual myocyte (muscle fiber, or muscle cell). It also contains capillaries and nerves. It overlies the muscle fiber's cell membrane: the sarcolemma.

33.a.The endomysium, meaning within the muscle, is a wispy layer of areolar connective tissue that ensheaths each individual myocyte(muscle fiber, or muscle cell). It also contains capillaries and nerves.

34.c.Skeletal cells contains high number of potassium ions.

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