PT Test Flashcards

1
Q

What is the function of the tricuspid valve?

A

Prevents backflow of blood to the right atrium.

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2
Q

What is the fundamental unit of muscle contraction?

A

Sarcomere

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3
Q

Which chamber of the heart is responsible for pumping oxygenated blood to the body?

A

Left ventricle

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4
Q

What is the natural curve in the lumbar region of the spine?

A

Lordotic curve

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5
Q

Adenosine triphosphate production via “anaerobic” glycolysis is associated with the significant
formation of what by-product?

A

Lactic Acid

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6
Q

The changes in muscle size associated with long-term resistance training is most likely due to
increases in _____.

A

muscle fiber cross-sectional diameter

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7
Q

Downhill walking/jogging/running is characterized by eccentric activation of which of the following
muscle groups?

A

Quadriceps femoris

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8
Q

What is the typical resting blood pressure response to long term aerobic exercise in a
hypertensive individual?

A

Both systolic and diastolic pressures will decrease.

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9
Q

How does heart rate increase in relation to work rate and oxygen uptake during dynamic exercise?

A

Linearly

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10
Q

Which cardiovascular training approach, if repeated frequently, is most likely going to lead to
overtraining?

A

Two consecutive intensive days, followed by one easy day

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11
Q

What feature is unique to skeletal muscle as compared to cardiac muscle?

A

Requires nervous system stimulation

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12
Q

What is the correct path of blood flow through the chambers of the heart?

A

Right atrium; right ventricle; left atrium; left ventricle

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13
Q

What respiratory muscles can cause forceful expiration?

A

Internal intercostals

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14
Q

Which of the following occurs when walking or running up an incline?

A

Greater flexibility of the soleus

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15
Q

What two muscles, along with the supraspinatus and infraspinatus, make up the rotator cuff?

A

Teres minor and subscapularis

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16
Q

What muscle action will most likely induce delayed onset muscle soreness?

A

Eccentric

17
Q

What occurs to a muscle during the eccentric movement phase of an exercise?

A

Lengthens while contracting

18
Q

What is the primary muscle group involved in trunk flexion while standing during the eccentric
phase of the movement?

A

Erector Spinae

19
Q

What muscle extends the forearm?

A

Triceps brachii

20
Q

What is the term used to describe the body’s ability to utilize oxygen during exercise?

A

Oxygen consumption