Finals quizes Flashcards
(87 cards)
Which energy system has an intermediate maximum capacity of generated ATP and intermediate maximum power?
Glycogen-lactic acid System
Which of the following statements is CORRECT regarding the reasons why lipids is an ideal energy source for the body?
a. Lipids can be transported and stored easily
b. Lipids can provide ready energy source
c. Lipids carry large quantities of energy per unit weight
d. All of these
All of these
What medical condition may be caused by deficiency in Vitamin C from diet?
Scurvy
The aerobic system can initially utilize stored resources and oxygen in the body. Once they are depleted, they must be reconstituted back by food intake and ventilation. What must be done to reconstitute the muscle glycogen stores?
Intake of a high carbohydrate diet
What is the stored form of glucose?
Glycogen
Which of the following is NOT a component of muscle performance?
a. Local Endurance
b. Muscle Strength
c. Power
d. General Endurance
General Enduranc
T or F
Fluids must be consumed regularly during physical activity to avoid dehydration and its life-threatening consequences.
TRUE
T or F
Fluids help to lower plasma volume to optimize the circulatory and sweating response to exercise.
FALSE
fluids don’t necessarily lower plasma volume during exercise,
What is a relatively weak steroid hormone synthesized from cholesterol in the adrenal cortex, considered as the mother hormone for estrogen and testosterone?
DHEA
Which of the following statements is CORRECT about Maximum Oxygen Consumption?
a. The maximum amount of oxygen consumed per minute
b. Maximum oxygen consumed when maximum effort is reached
c. All of these
d. Measure of body’s capacity to use oxygen
All of these
Which of the following is NOT a source of water for the body?
a. None of these
b. Food
c. Metabolic processes
d. Liquid ingestion
a.
None of these
Which energy systems has a great maximum capacity of generated ATP but with a small maximum power?
Aerobic System
Which of the following is NOT a role of proteins in the body?
a. Proteins activate vitamins that play a key role in metabolic and physiologic regulation
b. Proteins are primary constituents for plasma membranes and internal cellular material
c. None of these
d. Proteins regulate the acid-base quality of the body fluids
b. Proteins are primary constituents for plasma membranes and internal cellular material
Which of the following is NOT a role of carbohydrates in the body?
a. Fat sparer
b. Prevents utilization of protein for energy
c. Facilitate use of fat for energy
d. Primary source of energy
b. Prevents utilization of protein for energy.
Which of the following is the most serious and complex heat stress malady that requires immediate medical attention?
a. Heat Stroke
b. Heat Syncope
c. Heat Cramps
d. Heat Exhaustion
Heat Stroke
Which energy systems has a small maximum capacity of generated ATP but with a high maximum power?
Phosphocreatine-creatine system
T or F
Astronauts in space have their bone mass diminish to as much as 1.0% per month even with continuous exercise.
TRUE
T or F
Astronauts also experience increase work capacity, reduce blood volume, and reduced orthostatic tolerance.
FALSE
Astronauts also experience decreased work capacity, reduce blood volume, and reduced orthostatic tolerance.
Which of the following factors DO NOT contribute to the acute brain edema caused by staying in places in high altitudes?
a. Increase in capillary pressure due to the increase blood flow
b. Increase release of vascular endothelial growth factors
c. Increase in vasodilation due to the reaction of the blood vessels to hypoxia
d. Increase in vascular resistance as a response to hypoxia
d.
Increase in vascular resistance as a response to hypoxia
Which of the following is INCORRECT regarding ways or processes a person can acclimatized in places in high altitudes?
a. Increased erythrocytes
b. None of these
c. Increased diffusing capacity of the lungs
d. Increased pulmonary ventilation
None of these
Which of the following is NOT a physiological change a person may experience while in space?
a. Motion sickness during the first few days of travel
b. Diminished physical activity
c. None of these
d. Translocation of fluids within the body
None of These
Which of the following is NOT an effect of Weightlessness in space?
a. Increase in Motion sickness
b. Decrease blood volume
c. Increase baroreceptor response
d. Decrease muscle mass
c. Increase baroreceptor response
Which of the following statements is CORRECT regarding aviation in higher altitudes?
a. An aviator breathing pure carbon dioxide can ascend far higher altitudes
b. An aviator breathing a mixture of carbon dioxide and oxygen can ascend far higher altitudes
c. An aviator breathing a mixture of oxygen and nitrogen can ascend far higher altitudes
d. An aviator breathing pure oxygen can ascend far higher altitudes
d. An aviator breathing pure oxygen can ascend far higher altitudes
Which of the following is NOT an effect of positive G forces in the body?
a. Increased vessel pressure on the lower body
b. Stimulation of the baroreceptor reflexes to raise blood pressure
c. Systolic and diastolic pressures fall below normal
d. Pooling of blood around the eyes
d. Pooling of blood around the eyes