Which of the following properties is (are) characteristic of a benign tumor?

a. well differentiated              b. localized to tissue of origin             c. metastatic               

d. promotes angiogenesis        e. surrounded by a fibrous capsule

TLS Online TPP Program

#Question id: 11194

#I Life Science/ Life Sciences Group – I-V

The "threshold" potential of a membrane is the ________.

TLS Online TPP Program

#Question id: 11195

#I Life Science/ Life Sciences Group – I-V

Action potentials move along axons ________.

TLS Online TPP Program

#Question id: 11196

#I Life Science/ Life Sciences Group – I-V

Pyrethroid insecticides prevent the voltage-gated sodium channels of insects from inactivating. Neurons that were exposed to pyrethroids would ________.

TLS Online TPP Program

#Question id: 11197

#I Life Science/ Life Sciences Group – I-V

After the depolarization phase of an action potential, the resting potential is restored by ________.

TLS Online TPP Program

#Question id: 11198

#I Life Science/ Life Sciences Group – I-V

The "undershoot" phase of hyperpolarization is due to ________.

TLS Online TPP Program

#Question id: 11199

#I Life Science/ Life Sciences Group – I-V

The fastest possible conduction velocity of action potentials is observed in ________.