Crossfit Health, Safety, and Risk 3 — Questions and Answers
Question 1: A new member discloses they are currently taking beta-blockers prescribed for hypertension. How does this affect exercise heart rate monitoring?
- Beta-blockers have no effect on heart rate during exercise
- Beta-blockers cause an artificially elevated heart rate response
- Beta-blockers blunt the heart rate response, making HR-based intensity guidelines unreliable (Correct answer)
- Beta-blockers increase maximum heart rate, requiring adjusted targets
Correct answer: Beta-blockers blunt the heart rate response, making HR-based intensity guidelines unreliable
Beta-blockers reduce the heart's response to sympathetic stimulation, suppressing heart rate elevation during exercise and invalidating standard HR-based training zones.
Question 2: Which bloodborne pathogen precaution is MOST important when a coach encounters an athlete with an open bleeding wound during class?
- Apply direct pressure with bare hands to stop bleeding quickly
- Ask another athlete to hold the wound closed
- Don nitrile or latex gloves before making contact with the wound (Correct answer)
- Rinse the wound with water from a shared water bottle
Correct answer: Don nitrile or latex gloves before making contact with the wound
Universal precautions require the use of personal protective equipment such as gloves before any contact with blood or bodily fluids.
Question 3: An athlete complains of sharp chest pain and left arm tingling during a workout. What should the coach do FIRST?
- Have the athlete slow down and continue at a lighter pace
- Instruct the athlete to lie down and call emergency services immediately (Correct answer)
- Ask the athlete to perform a few deep breaths to rule out a panic attack
- Check the athlete's grip strength to rule out nerve impingement
Correct answer: Instruct the athlete to lie down and call emergency services immediately
Chest pain with radiating arm discomfort are classic myocardial infarction warning signs requiring immediate activation of emergency medical services.
Question 4: What is the significance of maintaining an accurate and current emergency action plan (EAP) in a CrossFit facility?
- It is required only for facilities with more than 50 members
- It ensures coaches respond consistently and efficiently during medical emergencies (Correct answer)
- It replaces the need for first aid training among staff
- It is primarily a liability document with no operational function
Correct answer: It ensures coaches respond consistently and efficiently during medical emergencies
An EAP provides a structured protocol so that all staff respond efficiently during emergencies, reducing delays and confusion.
Question 5: Which of the following training modifications is MOST appropriate for a pregnant athlete in her second trimester?
- No modifications are necessary until the third trimester
- Avoid all forms of high-intensity exercise entirely
- Modify or avoid supine exercises and movements with high fall risk (Correct answer)
- Increase loading to account for increased body weight
Correct answer: Modify or avoid supine exercises and movements with high fall risk
After the first trimester, supine positions can compress the vena cava, and high fall-risk activities pose danger to both mother and fetus.
Question 6: When is it appropriate for a CrossFit coach to provide nutritional advice to members?
- Coaches may prescribe specific medical diets if they have practical experience
- Coaches may share general dietary guidelines (e.g., CrossFit's food pyramid) but should not provide individualized medical nutrition therapy (Correct answer)
- Coaches are prohibited from discussing any nutrition topics
- Coaches may prescribe supplementation protocols for performance
Correct answer: Coaches may share general dietary guidelines (e.g., CrossFit's food pyramid) but should not provide individualized medical nutrition therapy
CrossFit coaches may discuss general healthy eating principles but must refer members to registered dietitians for individualized therapeutic nutrition plans.
Question 7: Which environmental condition presents the highest risk for exertional heat illness during an outdoor CrossFit event?
- High temperature with low humidity
- Moderate temperature with overcast skies
- High temperature combined with high humidity (Correct answer)
- Low temperature with direct sunlight
Correct answer: High temperature combined with high humidity
High humidity impairs evaporative cooling (sweating), dramatically increasing heat illness risk even at moderate temperatures.
Crossfit Health, Safety, and Risk 3
A new member discloses they are currently taking beta-blockers prescribed for hypertension.
How does this affect exercise heart rate monitoring?