Here is a typical action potential from a neuron that you are recording in lab:    Your lab partner applies a drug to that neuron. According to the label, it completely blocks all functions for one specific protein, but the label is damaged and doesn’t say which protein. The next action potential you record looks like this: Which of the following proteins has been targeted by the drug?

Permanent mandibular first molars typically erupt before permanent central incisors.

Which is the leading cause of death among the middle-adult age group?

A patient who is hemorrhaging has pale mucous membranes, blood pressure 92/52 mm Hg, pulse 160 beats/minute, and respirations 30/minute. The patient is receiving IV fluids at 150 mL/hour, has a blood transfusion infusing, and is being provided oxygen via a mask. What should the nurse recognize as the most likely cause of the patient’s respiratory rate?

Which of the following is not a factor in causing tooth movement?

There are a total of eight incisors in the deciduous dentition.

The permanent right maxillary arch has ________ teeth.

A nurse is caring for a client in the emergency department who is actively dying from a catastrophic injury. Which of the following is the priority in planning care for this client?

Once the first permanent tooth erupts, a child has a ________ dentition.

The cingulum will develop into the lingual cusp of posterior teeth.