Your professor says something profoundly funny. You are tempted to laugh but because you failed to brush your teeth this morning all you can do is to manage a closed-mouth smile. What muscle are you primarily using?
A. Levator labii superioris
B. Buccinator
C. Platysma
D. Risorius
E. Mentalis
Answer: D
Anatomy & Physiology
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A reduced number of leukocytes causes a serious disorder called ____________
Fill in the blank with correct word.
Anatomy & Physiology
Growth due to increased cell size is called ________.
hypertrophy hyperplasia atrophy Dystrophy
Anatomy & Physiology
The term "flagellum" is appropriate for the structure it represents because it means
A. the center. B. a whip. C. a nut or kernel. D. a bench. E. an eyelid.
Anatomy & Physiology
Peptides and catecholamines are hydrophilic and cannot penetrate a target cell. they therefore bind to receptors where?
a) on the DNA b) on the cytoskeleton c) in the nucleus d) on the cell surface
Anatomy & Physiology