The C-shaped cartilages of the trachea allow all of the following to occur EXCEPT
A. Ciliated movement of mucus-secreting cells.
B. Distention of the esophagus.
C. Maintenance of open airway.
D. Prevention of tracheal collapse during pres- sure changes.
In general, the higher the intensity of the activity, the greater the contribution of
A. Aerobic energy production.
B. Anaerobic energy production.
C. The Krebs cycle to the production of ATP.
D. The electron-transport chain to the production of ATP.
Body fat appears to be most dangerous when
A. Weight for height exceeds 20% above recommended.
B. It exceeds 25% for males and 30% for females.
C. Central (android) obesity is present.
D. The BMI exceeds 25
A well-designed consent document developed in consultation with a qualified legal professional provides your facility with
A. Documentation of a good-faith effort to educate your clients.
B. Legal documentation of aclient's understanding of assessment procedures.
C. Legal immunity against lawsuits.
D. No legal benefit.
Which of the following is an indication for terminating an exercise test?
A. The client requests test termination.
B. The respiratory exchange rate exceeds 0.95.
C. The maximal heart rate exceeds 200bpm.
D. The RPE exceeds 17 on the standard scale.
Which of the following is NOT a principle of low back care?
A. Abdominal curl-ups/
B. Unloaded flexion/extension of the spine.
C. Neutral spine during all exercises.
D. Controlled leg press or squat with light weights.
Chronic soreness and fatigue are symptoms of
A. Hyperglycemia.
B. Strain.
C. Overuse injury.
D. Hypoglyeemia.
A 55-kilogram woman trains on a cycle ergometer by pedaling at 60 rpm against a resistance of 1.5 kiloponds. What is her absolute Yo2?
A. 1.36L . min-1
B. 2.47L . min-1
C. 3.62L . min-1
D. 3600mL . min-1
A 143-pound woman regularly exercises on a treadmill at a speed of 5.5 mph and a 2% elevation. What is her caloric expenditure?
A. 6.78kcal . min-1
B. 11.58 kcal* min-1
C. 20.85kcal . min-1
D. 25.47 kcal* min-1
In the ECG shown on the following page, which of the following conduction abnormalities is indicated?
A. RBBB.
B. Third-degree AV block.
C. First-degree AV block.
D. Mobitz I.
