Which of the following structures is found at the posterior limit of the nasal cavity?
A. Vestibule
B. Choanae
C. Fossae
D. Nasal septum
E. Conchae
B. Choanae
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Most cells have only one
A) nucleus. B) ribosome. C) peroxisome. D) lysosome. E) mitochondrion.
This substance is the outer covering of the shell of the tooth in the crown
A) Cementum B) Enamel C) Pulp D) Dentin
The intrinsic pathway of coagulation is activated by the
A) sticking of platelets to each other. B) activation of Factor XII by platelet factors. C) release of tissue factor (Factor III) by damaged endothelium. D) release of heparin from the liver. E) conversion of prothrombin to thrombin.
Which of the following is NOT true about axon transport?
A. It refers to the passage of materials from axon terminals to the cell body of a neuron. B. It refers to the transport of materials from the inside to the outside across the axonal membrane. C. It refers to the passage of materials from the cell body of a neuron to the axon terminals. D. It is especially important for maintaining the integrity of neurons with long axons.