Chapter 6 - Adaptations to Aerobic Endurance Training Programs

Question 259

cardiac output is __________.

Answer 259

amount of blood pumped out by the heart in liters per minute

Question 260

stroke volume is ___________

Answer 260

the quantity of blood ejected with each heart beat

Question 261

cardiac output equation is ________ x _________.

Answer 261

stroke volume X heart rate

Question 262

maximal heart rate equation

Answer 262

220- age in years.

Question 263

1 MET = how many ml of oxygen per kg body weight per minute?

Answer 263

3.5

Question 264

fick equation: V02 = ____ X _______

Answer 264

q (cardiac output); a V02 difference.

Question 265

arteriovenous oxygen difference is ____________

Answer 265

the difference in oxygen content between arterial and venous blood

Question 266

tidal volume is the total amount of air ______ and ________ with each breath.

Answer 266

inhaled; exhaled

Question 267

functional unit of the pulmonary system where gas exchange occurs:

Answer 267

alveoli

Question 268

bradycardia

Answer 268

slow heart rate

Question 269

what is myoglobin?

Answer 269

a protein that transports oxygen within the cell

Question 270

Two adaptation that occur at higher altitudes

Answer 270

Hyperventilation

Increased cardiac output at rest due to higher heart rate

Question 271

hyperoxic breathing:

Answer 271

breathing oxygen enriched gas mixtures during rest periods or following exercise

Question 272

blood doping (mechanism)

Answer 272

running your blood through EPO and then shuttling it back into your body.

Question 273

A 17 year old high school cross country runner has been training aerobically for 6 months in preparation for the upcoming season. Which of the following adaptations will occur in the muscle during that time.

increased concentration of glycolytic enzymes

hyperplasia of type II fibers

transformation from type I to Type II fibers

hypertrophy of type I fibers

Answer 273

hypertrophy of type I fibers

Question 274

The amount of blood ejected from the left ventricle during each beat is the ___________

Answer 274

stroke volume

Question 275

All of the following normally increase during an aerobic exercise bout EXCEPT

end diastolic volume

cardiac contractility

cardiac output

diastolic blood pressure

Answer 275

diastolic blood pressure

Question 276

Primary training adaptations of elite aerobically trained athletes include which of the following?

increased maximal oxygen uptake

decreased blood lactate concentration

increased running economy

decreased capillary density

Answer 276

I, II, III

Question 277

The mean arterial pressure is defined as the:

Answer 277

average blood pressure throughout the cardiac cycle

Question 278

which of the following is an early adaptation to acclimatizing to high altitude?

decreased tidal volume

decreased respiration rate

increased resting cardiac output

increased stroke volume

Answer 278

increased resting cardiac output

Question 279

During an exercise bout, oxygen delivery to the wroking muscles is mostly a product of an increase in:

total hemoglobin

cardiac output

blood glucose

plasma volume

Answer 279

cardiac output

Question 280

All of the following are potential indicators of overtraining EXCEPT:

decreased muscle glycogen stores

increased sleep distrubances

decreased exercise heart rate

increaed resting blood pressure

Answer 280

decreased exercise heart rate

Question 281

In response to Aerobic training, resting stroke volume ________ (inc/dec).

Answer 281

Increases

Question 282

In response to aerobic training maximal blood pressure _________ (inc/dec).

Answer 282

decrease

Question 283

In response to aerobic training , resting Av02 difference __________ (inc/dec/same).

Answer 283

same

Question 284

________ (resting/maximal) tidal volume increases after aerobic training.

Answer 284

maximal

Question 285

After consistently following an aerobic endurance training program for 6 months, a previously untrained individual will experienc which of the following physiological changes?

Increased maximal blood pressure

decreased resting AV02 difference

decreased maximal tidal volume

increased resting stroke volume

Answer 285

increased resting stroke volume