Explain the cause of shingles
What will be an ideal response?
Shingles is caused by reactivation of the varicella-zoster virus (VZV), the same herpes virus that causes chickenpox. Once reactivated, the virus stimulates painful inflammation of the nerve ganglia and causes skin eruptions in a pattern that corresponds to the affected dermatome.
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In this illustration of the ear, what structure does number 1 indicate?
A. Vestibule B. Cochlea C. Stapes D. Incus E. Tympanic membrane
What is the type of RNA called that delivers the appropriate amino acids within the cytoplasm to their designated site at the ribosome?
a. messenger RNA b. deliver RNA c. ribosomal RNA d. transfer RNA e. cytoplasm RNA
All of the following are found in saliva, EXCEPT:
A) pepsin B) bicarbonate C) mucin D) salivary amylase
A patient is unable to close her left eye. Which muscle may be paralyzed?
A. Corrugator supercilii B. Frontalis C. Orbicularis oris D. Levator palpebrae superioris E. Orbicularis oculi