Which of the following is the anterior bone of the lower leg?
A) Ulna
B) Fibula
C) Tibia
D) Radius
Answer: C) Tibia
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The series of membranous channels that surround each myofibril is the
A) sarcoplasmic reticulum. B) sarcoplasm. C) sarcomere. D) sarcolemma. E) endomysium.
A patient is suffering from type II tracheomalacia, a rare disease in which the hyaline cartilage degenerates in the trachea. What consequences may this patient encounter?
a) The difficulty of inspiring air into the alveoli b) Difficulty in pushing food down into the stomach, as the trachea may impede the food from entering the stomach c) The decrease in lung compliance d) The collapse of the lungs
Blocking the ________ receptor on helper T lymphocytes may inhibit activation by antigen presenting cells.
A. MHC B. CD4 C. IL-6 D. CD25
Increased cardiac output ________ the blood pressure.
A. increases B. decreases C. will not affect