Which bone does not contain a paranasal sinus?

A.  Sphenoid bone
B.  Frontal bone
C.  Ethmoid bone
D.  Mandible
E.  Maxilla


D

Anatomy & Physiology

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The ____ helps hold a tooth in its socket

A. crown B. cementum C. periodontal ligament D. dental arch E. alveoli

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What is the correct order for the list of structures of the large intestine, starting at the cecum and ending at the rectum?a: Left colic flexureb: Ascending colonc: Transverse colond: Right colic flexuree: Sigmoid colonf: Descending colon

A. b, d, c, a, f, e B. b, a, c, d, f, e C. e, b, d, c, a, f D. f, c, d, e, a, b E. e, b, a, c, d, f

Anatomy & Physiology

CD4 is normally used by the helper t-cell to recognize and bind to ________.

A) Foreign antigen B) Interleukin 2 C) Interferon D) MHC I E) MHC II

Anatomy & Physiology

Why is a neuron unable to produce an additional action potential during the absolute refractory period?

What will be an ideal response?

Anatomy & Physiology