Which of the following are not secreted by platelets?
A) Procoagulants
B) Growth factors
C) Vasoconstrictors
D) Chemicals that attract neutrophils
E) Thrombopoietin
E
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To stimulate skeletal muscle contraction, acetylcholine must cross the _____ of the neuromuscular junction and bind to receptors on the motor endplate
a) node of Ranvier b) synaptic cleft c) sarcolemma d) synaptic end bulb e) transverse tubule
The dermis is very flat compared to the epidermis, which has ridges projecting inward
and elevations called papillae. Indicate whether the statement is true or false
All of the following muscles make up the hamstring except which one?
A. Biceps femoris B. Gracilis C. Semitendinosus D. Semimembranosus
Study the below image. Which letter represents a layer composed of areolar connective tissue with elastic fibers?
A: A B: B C: C D: D E: G