What part of the cochlea do the hair cells vibrate against?

A) scala tympani
B) basilar membrane
C) scala vestibuli
D) tectorial membrane


D
Explanation:
A) The scala tympani contains perilymph.
B) Distortion of the basilar membrane causes the hair cells to vibrate.
C) The scala vestibuli contains perilymph.

Exercise 33: Endocrine System

Exercise 33: Pre-Lab Questions

Anatomy & Physiology

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The muscle that elevates the larynx is the ________ muscle

A) masseter B) buccinator C) platysma D) sternocleidomastoid E) stylohyoid

Anatomy & Physiology

Blood cells are formed in the _______ in adults.

A) red marrow of flat bones and ends of long bones B) thymus C) liver and spleen D) yolk sac

Anatomy & Physiology

Compare the anatomy of the sympathetic division with that of the parasympathetic division

A) In the SNS, axons emerge from the thoracic and lumbar segments of the spinal cord and innervate ganglia relatively close to the spinal cord. In the PNS, axons emerge from the brainstem and sacral segments of the spinal cord and innervate ganglia very close to or within the target organs. B) In the SNS, axons emerge from the brainstem and sacral segments of the spinal cord and innervate ganglia relatively close to the spinal cord. In the PNS, axons emerge from the thoracic and lumbar segments of the spinal cord and innervate ganglia very close to or within the target organs. C) In the SNS, axons emerge from the thoracic and lumbar segments of the spinal cord and innervate ganglia relatively close to or within the target organs. In the PNS, axons emerge from the brainstem and sacral segments of the spinal cord and innervate ganglia very close to the spinal cord. D) In the SNS, axons emerge from the brainstem and sacral segments of the spinal cord and innervate ganglia relatively close to or within the target organs. In the PNS, axons emerge from the thoracic and lumbar segments of the spinal cord and innervate ganglia very close to the spinal cord. E) In the SNS, axons emerge from the cervical and thoracic segments of the spinal cord and innervate ganglia relatively close to or within the target organs. In the PNS, axons emerge from the lumbar and sacral segments of the spinal cord and innervate ganglia very close to the spinal cord.

Anatomy & Physiology

The three major steps in hemostasis are ____________________, ____________________, and ____________________

Fill in the blank(s) with correct word

Anatomy & Physiology