What is the function of thromboplastin in hemostasis?
A) It dissolves the clot after the tissue has healed.
B) It initiates the intrinsic pathway of coagulation.
C) It acts as a potent vasoconstrictor to reduce blood loss.
D) It initiates the extrinsic pathway of coagulation.
E) It converts prothrombin into thrombin.
D
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Select all that are components of the limbic system.A) Cingulate gyrusB) Prefrontal cortexC) Reticular formationD) Hippocampus
What will be an ideal response?
Contraction of this muscle presses the cheeks against the teeth and lips as would be observed in whistling, blowing or sucking
a) buccinator b) zygomaticus c) frontalis d) epicranius e) occipitalis
________ is the backup energy molecule that can be rapidly converted to ATP in active skeletal muscle.
A) Phosphocreatine B) Glucose C) Protein D) Fatty acid
Which of the following is a feature shared by cardiac muscle and skeletal muscle?
A. Autorhythmicity B. Communication via electrical (gap) junctions C. Muscle fiber striations D. Dependence upon nervous stimulation E. Intercalated discs