Daily question
Scott Rand
All of the following are physiologic adaptations to aerobic conditioning except:
A. Increased ventricular wall thickness and decreased internal diameter
B. Larger stroke volume
C. Lower-end systolic volume
D. Lower resting heart rate
Scott E Rand, MD FAAFP CAQSM
Director, Primary Care Sports Medicine Fellowship
Co Director of Sports Medicine, Houston Methodist Orthopedics and Sports Medicine Willowbrook
Assistant Professor of Clinical Family Medicine Houston Methodist Academic Institute
Adjunct Assistant Professor of Family and Community Medicine, Texas A&M University
Assistant Professor of Family Medicine in Clinical Medicine Weill Cornell Medical College.
13802 Centerfield Dr Suite 300
Houston, TX 77070
Scott Rand
Which of the following is primarily associated with endurance training?
A. Ability to exert increased force
B. Increased protein content of muscle fibers
C. Fast to slow fiber transformation
D. Reduction of muscle capillary bed
E. Increased size of muscle fibers
Scott Rand
Which of the following is true of weight loss and metabolism during exercise?
A. Maximal fat oxidation occurs at high intensity exercise.
B At maximal exercise intensity, blood flow increases to adipose tissues.
C. Excess post exercise oxygen consumption is highest after long duration of low intensity exercise
D. Training adaptations lead to decreased use of fat at the same exercise intensity.
E. Fat utilization is decreased during high intensity exercise.
Scott Rand
In order to avoid overtraining, athletes can initiate training principles that include the use of microcycles, mesocycles and macrocycles. This type of training is called
A. Accommodation training
B. Periodization training
C. Progressive overload training
D. Optimization training
Scott Rand
What is the most common cause of airway obstruction in an unconscious athlete?
A. Mouthguard
B. The tongue
C. Swelling from anaphylaxis
D. Inhaled foreign body
Scott Rand
In the absence of direct physical trauma, the activities with the highest incidence of spontaneous pneumothorax include scuba diving and:
A. soccer
B. weight lifting
C. football
D. swimming
Scott Rand
A 26 year old African American female presents to the medical treatment tent you are staffing at a large cross country ski race in upper Wisconsin. She is complaining of painful edematous purple lesions on her face. She is in excellent health, an avid cross country runner from southern Illinois. She denies pregnancy or any medical problems. She does not seem to be in any acute distress. She and her friends have been taking “nips” out of a pocket flask containing Blackberry brandy. Which of the following is true?
A. She has classic Pernio or chilblain
B. She should immediately stop the race and be transported to the main medical tent 10 kilometers away via ambulance
C. She can go back out after applying protective UV cold barrier ointment on her face
D. She should quickly rewarm her face by sitting next to the propane gas warmer in the tent
E. It is best to warm her face slowly using cool water then to slowly apply heated water to prevent further tissue damage
Scott Rand
Which factor most
influences the effectiveness of extracorporeal shockwave therapy (ESWT) in
chronic tendinopathy?
A. Patient age alone
B. Energy dosage and adherence to post‑treatment loading
C. Use of shockwave therapy as a standalone treatment
D. Avoidance of mechanical loading after treatment
Scott Rand
Why is neuromuscular
electrical stimulation (NMES) commonly used early after knee injury or surgery?
A. It decreases quadriceps activation
B. It increases joint laxity
C. It improves motor unit recruitment and combats inhibition
D. It reduces the need for voluntary strengthening
Scott Rand
Which of the following best explains
why blood flow restriction (BFR) training is an effective rehabilitation
modality for load‑compromised athletes?
A. It eliminates metabolic stress during low‑load exercise
B. It produces hypertrophy and strength gains comparable to high‑load training
C. It decreases muscle activation to reduce fatigue
D. It is only beneficial for upper‑extremity rehabilitation