The PT documented on the initial examination that the patient had decorticate rigidity. Upon entering the room, the PTA would expect the patient to be in which of the following postures?

Module 1 Option A One hiker gets lost in the desert during the summer and is exposed to extreme heat for several hours, while another hiker is trapped in a snowstorm for the same amount of time. Both hikers experience physiological changes as their bodies attempt to maintain a stable internal environment. Using this scenario, explain how homeostasis helps regulate body temperature in extreme conditions. In your response: Define homeostasis and describe its importance.  Identify whether body temperature regulation is an example of negative or positive feedback and explain why. Describe how the body’s physiological responses would differ between the hiker in the desert and the hiker in the snowstorm to maintain homeostasis. Option B While hiking in the mountains, David experiences different environmental conditions that challenge his body’s ability to maintain homeostasis. As he climbs to a higher altitude, he notices it becomes harder to breathe. Later, when he takes a break, he realizes he hasn’t eaten much all day and is feeling weak. As the sun begins to set, the temperature drops rapidly, and he starts shivering.  Using this scenario, explain how each of the four requirements for human life, oxygen, nutrients, temperature, and pressure, helps maintain homeostasis. In your response: Describe the role of each requirement (oxygen, nutrients, temperature, and pressure) in maintaining homeostasis. Provide specific examples from David’s experience to explain how his body responds to each challenge. Explain why maintaining balance in these conditions is essential for survival.

The following mechanical system has a moving pulley of negligible mass/inertia, a fixed pulley with inertia, J1, and a rack and pinion system. Hint: the displacement of the moving pulley will always be half the displacement of mass, m2. The pinion has an input torque Tin(t). Perform the following for this system:  a) Define a complete Free Body Diagram b) Define a complete set of state variable equations in the proper form, let the velocity of mass, m2, be one of the state variables. 

List the acronym the general public is taught to use to identify a stroke and identify the symptoms the acronym describes.  (4 points) Give the medical rationale (identify the involved area) for each of the symptoms listed in Part A. (3 points)

Which of the following best explains the role of the Circle of Willis in cerebrovascular events?  

List 2 contraindications for giving a patient with a stroke plasminogen activator (tPA).

Which of the following statements is not true with regard to sensory deficits following a CVA?

What is the sequence of structures in the transmission of an electrical impulse through the heart muscle?

Which of the following best explains why secondary effects of a traumatic brain injury (TBI) may be more problematic than the primary injury?  

Which of the following conditions is most commonly associated with a sudden, severe headache described as “the worst headache of my life”?