Consider two hosts, A and B, connected by a single link of rate 1 Mbps. Suppose that the two hosts are separated by 3,000 Km, and suppose the propagation speed along the link is 3×108 m/s. Host A is to send a packet of 1,000 bytes to Host B. Calculate the propagation delay in seconds. (Hint: dprop = d / s)

A child weighs 34 lb and has an order for Keflex (cephalexin) 150 mg po every 6 hours. The literature states the usual children’s dose is 25 to 50 mg/kg/day in four divided doses. The drug label reads 125 mg/5 mL. What is the safe dosage range per day for this child?

A 55-year-old woman presents with a suspicious mole on her forearm. In your referral to a dermatologist, you describe the lesion as:

An adult presents with a painful, burning, vesicular rash along one side of the trunk that follows a dermatomal pattern. What do you suspect is causing this lesion?

Percussion of the chest reveals a _____ sound in areas where there is increased air, such as in pneumothorax or emphysematous lungs.

The nurse practitioner is assessing a patient’s visual fields to evaluate peripheral vision, which tests the function of cranial nerve II (optic nerve). Which of the following methods is most appropriate for this assessment?

Which of the following skin changes during pregnancy are considered normal findings? (Select all that apply.)

Trace the flow of blood through the heart. Name every structure the blood passes by as it moves though the heart. Be very specific. 2 points available. 

The factor that “turns on” genes to promote the production of mRNA is called a

What is the preferred method for diagnosing deep-seated oral fungal infections?