Which of the following statements regarding the vestibular system is TRUE?
A. Hair cells in the cochlea are involved in the detection of movement and position of the head.
B. The utricle and saccule are mainly responsible for detecting angular rotation of the head.
C. The vestibular apparatus is principally involved in our ability to detect and interpret sound.
D. Deflection of the basilar membrane by fluid moving within the semicircular canals allows us to detect rotational movement of the head.
E. Receptors in the utricle and saccule detect changes in the position of the head with respect to gravity.
E
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The ________ is the innermost connective tissue layer that surrounds each muscle fiber.
Fill in the blank(s) with the appropriate word(s).
Which of the following is a narrow fluid-filled cavity found along the midline superior to the hypothalamus and between the right and left halves of the thalamus?
a) Lateral ventricle b) Septum pellucidum c) Third ventricle d) Fourth ventricle e) Fifth ventricle
Relaxation of the heart chambers is called
A) diastole. B) systole. C) depolarization. D) hyperpolarization. E) repolarization.
Which of the following structures is NOT involved in the formation of the face?
A. Frontonasal process B. Mandibular processes C. Apical ectodermal ridges D. Maxillary processes