Scholars debate whether the Mayan site of Tikal qualifies as a real city because:

Jon Gibbs is a 28-year-old college student who has been reportedly healthy with the exception of recent fatigue and low energy.  School “has been stressful this year” but he says that he tries to exercise and eat as well as he can to stay healthy.   Mr. Gibbs faints in class and falls, hitting his head on a desk on the way to the floor.  911 is called and emergency personnel arrive!  Vital signs are 37.9 C, 112, 30, 200/104.  The cardiac monitor displays an irregular cardiac rhythm with premature ventricular contractions (PVCs).  A swollen, red area is noted on the back of his head from the fall.   Mr. Gibbs is subsequently admitted to the hospital.  You observe that he is alert, shaky with trembling hands, anxious, and weak.  Skin is dry and mucous membranes are moist.  He has bilateral edema of his feet and ankles.  A chest x-ray reveals myocardial hypertrophy, and a computerized tomography (CT) scan of the head is negative. Serum Electrolytes are assessed. Na 152 mEq/L                           Cl 104 mEq/L                          K 6.4 mEq/L BUN 42 mg/dl Creat. 3.4 mg/dl CO2 23 mmol/L Ca 7.2 mg/dl Mag 3.7 mEq/L Phos 5.6 mg/dl Glucose 132 mg/dl Albumin    4.4 g/dl   Lactic Acid 1.8 mEq/L

A client tells a nurse that he, his family, and his friends smoke and that he has smoked for a long time and is still healthy. Which of the following key aspects of the Health Belief Model is the client demonstrating?

In our textbook, which of the following is not highlighted as a source of switching costs?

Anaerobic training in 30-second bouts increases all but which of the following enzymes?

Which of the following changes does NOT occur in the blood after aerobic training?

A triathlon athlete who is simultaneously training for the swim, bike, and run portions of the event is practicing

Mitochondrial enzyme activity is a major factor in limiting maximal oxygen consumption.

Capillary to fiber ratio _______ after endurance training. 

Blood pressure _______ at a given submaximal intensity after endurance training.