What muscle is a powerful agonist of arm flexion?
A. Deltoid
B. Pectoralis major
C. Latissimus dorsi
D. Coracobrachialis
Ans: B. Pectoralis major
Anatomy & Physiology
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Label B represents which structure(s)?
A) circular folds
B) submucosa
C) muscularis externa
D) serosa
E) mucosa
Anatomy & Physiology
Lymphocytes with a CD8 glycoprotein on their surface are called ________ cells and lymphocytes with a CD4 glycoprotein on their surface are called ________ cells.
A. B; cytotoxic T B. cytotoxic T; B C. cytotoxic T; helper D. B; helper T E. helper T; cytotoxic T
Anatomy & Physiology
Where is the enteric nervous system located?
A. brain B. heart C. digestive tract D. skin
Anatomy & Physiology
T lymphocytes are responsible for
A. humoral immunity. B. cell-mediated immunity. C. producing antibodies. D. programming macrophages.
Anatomy & Physiology