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Life Test Set 1

Terms in this set (50)

What is the function of the tricuspid Valve?
Prevents Backward Flow of blood to the right atrium
What is the fundamental unit of a muscle contraction?
Sarcomere
What is the natural curve in the lumbar region of the spine?
Lordotic Curve
Adenosine triphosphate production via "anaerobic" glycolysis is associated with the significant formation of what by-product?
Lactic Acid
Which chamber of the heart is responsible for pumping oxygenated blood to the body?
Left Ventricle
The changes in muscle size associated with long-term resistance training is most likely due to increases in...?
muscle fiber cross-sectional diameter
Downhill walking/ jogging/ running is characterized by eccentric activation of which of the following muscle groups?
Quads
what is the typical resting blood pressure response to long term aerobic exercise in a hypertensive individual?
Both systolic and diastolic pressures will decrease
How does heart rate increase in relation to work rate and oxygen uptake during exercise?
Linearly
Which cardiovascular training approach, if repeated frequently, is most likely going to lead to overtraining?
2 consecutive intensive days followed by an easy day
What feature is unique to skeletal muscle compared to cardiac muscle?
requires nervous systems stimulation
What is the correct flow of blood through the chambers of the heart?
Right atrium, right ventricle, left atrium, left ventricle
What respiratory muscles can cause expiration?
internal intercostals
which of the following occurs when walking or running up at an incline?
Greater flexibility of the soleus
What 2 muscles along with the supra/infraspinatus make the rotator cuff?
Teres minor and subscapularis
What muscle action is most likely to induce DOMS?
Eccentric
What occurs to a muscle during the eccentric movement phase of an exercise?
Lengthens while contracting
what is the primary muscle group involved in trunk flexion while standing during the eccentric phase of movement?
Erector spinae
what muscle extends the forearm?
Triceps Brachii
What is the term used to describe the body's ability to utilize oxygen during exercise?
Oxygen Consumption
Which if the following is also known as the trunk flexion test?
sit and reach test
What is the order of stretching techniques from lowest risk to highest risk of injury?
Slow static, PNF, ballistic
Which of the following joints has the greatest range of motion, and involves the greatest number of movements?
Shoulder joint
What change may occur between heart-rate and blood pressure as a result of chronic exercise?
Resting heart rate and resting blood pressure are reduced
/which of the following is a result of chroninc aerobic training?
decreased plasma triglyceride levels
Mitral valve prolapse is a condition which primarily affects the...?
Bicuspid Valve
What action is involved in the concentric phase of the biceps curl?
Flexion at the elbow
Cardiac output is a product of the heart rate multiplied by...?
stroke volume
Which of the following best describes the symptoms that occur at 24-48 hours after a single bout of intensive exercise?
DOMS
Which principle of training best describes a previously active client, who has been ill and bedridden for a prolonged period of time?
Reversibility
If you are palpating the thumb side of the forearm in the wrist area, what pulse are you checking?
Radial
What is the correct order of the regions of the spine from superior to inferior?
Cervical, thoracic, lumbar, sacral, and coccyx
Which muscle is an antagonist of the hamstrings?
Illiosoas
Which of the following physiological changes does NOT occur when a client improves aerobic capacity?
Total lung volume will increase in proportion to the total accumulated time of high intensity exercise
As the intensity of dynamic exercise increases , which of the following sets of responses occurs?
Heart rate and systolic blood pressure increases, diastolic remains unchanged
From a seated position, with dumbells to the sides, raising the dumbells laterally to shoulder level with elbows slightly flexed exercises primarily...?
middle delt.
What is the major muscle used to flex the hip joint?
Illiosoas
A subject with elbows held at 90 degrees of flexion is handed a 150 lb barbell. Even though he exerts maximal tension, the barbell causes the joint angle to increase to 170 degrees. Which of the following describes the muscle action during the extension?
Isotonic eccentric
Type 2 muscle fibers...
are recuited at a higher percentage of maximum force than type 1 fibers.
Which of the following is a normal blood pressure response to aerobic exercise?
Systolic blood pressure increases proportionately to increases in work load and diastolic blood pressure remains unchanged or decreases slightly
Which rotator cuff muscle abducts the arm?
supraspinatus
Which energy system has the highest capacity for ATP production?
Oxidavite phosphorylation
What plane divides the body into upper and lower sections?
Transverse
When performing neck flexion in the sagittal plane, which of the following exercises best mimics that movement?
Somersault
Under which of the following circumstances would you expect to see the highest rise in blood lactate?
During maximal exercise lasting between 60 and 180 seconds in the athlete
Typical movements in the weight room such as a biceps curl using free weights and leg press actions are best described as.... muscle actions
isotonic
The Lat acts as the prime mover during the concentric phase of which of the following exercise?
Lat pulldown
Which if the following bones facilitate movement of the chest during both inspiration and expiration?
Clavicle
Which if the following is characterized as a plane (uniaxial) joint?
Sacroilliac
Which of the following indicates the reason why a female who is pregnant should avoid exercise in the spine position after the first trimester?
risk of orthostatic hypotension due to obstructed venous return
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