The test is on Thursday 10/8 IN CLASS

The Test is IN CLASS Thursday 10/8!

Describe two ways that fire regimes shape biomes or smaller ecosystems embedded in larger biomes.

Pinyon-juniper woodlands are expanding into the sagebrush steppe. Identify a major driver and describe how it is causing this transition to an alternative ecosystem.

A drug’s tendency to bind to a receptor is called its:

What alpha-2 agonist sedative is commonly administered with an opiate and can cause hypertension, bradycardia, and white mucus membranes initially when administered?

A 66-lb Boxer presents to the clinic with an acute kidney injury subsequent to ethylene glycol toxicosis. For treatment of AKI, fluid therapy is key. However, the patient is oliguric due to kidney injury and is prescribed furosemide (5%) at a constant rate of infusion of 500mcg/kg/hr. On hand, you have 1-L of 0.9% isotonic saline to be administered at a rate of 4ml/kg/hr. How many ml of furosemide will you add to the fluid bag?

Epinephrine (1:10,000) has been prescribed for a 44-lb emergency patient at a dosage of 10mcg/kg. How many milliliters will you draw up?

In which organ does most elimination of drugs occur?

EXTRA CREDIT: Depolarization of cardiac cells is characterized by a rapid influx of [x] ions, a slower influx of [y] ions, and the outflow of [z] ions. (3 points)