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WITS ACTUAL EXAM ACTUAL EXAM 450 QUESTIONS
AND CORRECT DETAILED ANSWERS ALREADY GRADED
A+ LATEST -
The greatest amount of oxygen the body can take in and utilize during exercise is:
- VO2 max
- Stroke volume
- Cardiac output
- Cardio endurance - ANSWER-VO2 max
The body loses heat by four different processes. Which of the following term refers to the process where a person sits on a cold marble bench and loses body heat?
- Convection
- Conduction
- Radiation
- Evaporation - ANSWER-Conduction
Which of the following is true regarding systolic blood pressure?
- Stays constant during endurance exercise
- Decreases during endurance exercise 1 / 4
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- Initially goes up during endurance exercise but can have an effect of decreasing over time
- Initially goes down during endurance exercise but can have an effect of increasing over time
- ANSWER-Initially goes up during endurance exercise but can have an effect of decreasing over
time
Which types of exercises elicit high blood pressure responses in the body?
- Endurance and heavy resistance exercises
- Isometric and heavy resistance exercises
- Isometric and endurance exercises
- Endurance and isotonic exercises - ANSWER-Isometric and heavy resistance exercises
Which of the following is true regarding phosphocreatine?
- Forms the core of myosin
- Is the molecule to trigger contractions
- Is part of the reaction that forms actomyosin
- Reacts with ADP to form ATP - ANSWER-Reacts with ADP to form ATP
The Point during a GXT at which the blood lactate concentration suddenly increases is known
as:
- Ventilatory threshold 2 / 4
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- Aerobic threshold
- Lactate threshold
- Cardio threshold - ANSWER-Lactate threshold
Which of the following is true about a high carbohydrate diet?
- Maximizes muscle glycogen and extends the time to exhaustion
- Minimizes muscle glycogen and extends the time to exhaustion
- Maximizes muscle glycogen and decreases the time to exhaustion
- Minimizes muscle glycogen and decreases the time to exhaustion - ANSWER-Maximizes
muscle glycogen and extends the time to exhaustion
Which of the following are considered to be the primary fuels for exercise?
- Carbohydrate and fat
- Protein and Carbohydrate
- Fat and protein
- Carbohydrate, fat, and protein - ANSWER-Carbohydrate and fat
Which of the following refers to the volume of blood pumped by the heart per beat?
- End- diastolic volume 3 / 4
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- Stroke volume
- Ejection fraction
- Ventilatory threshold - ANSWER-Stroke volume
Which is the primary heat loss mechanism during exercise?
- Evaporation
- Conduction
- Convection
- Radiation - ANSWER-Evaporation
When discussing macro nutrients with your client what percentage should you suggest for carbohydrate intake?
A) 20-35%
B) 10-35%
C) 45-65%
D) 30-45% - ANSWER-45-65%
Which macronutrient contributes to the formation of cell membranes?
- Protein
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