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CSCS - Final Exam Question and answers verified to pass what are the two main divisions of the skeletal system? - correct answer appendicular and axial the division of the nervous system concerned with control of skeletal muscle contractions is called the - correct answer somatic nervous...

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  • November 28, 2024
  • 103
  • 2024/2025
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CSCS - Final Exam Question and
answers verified to pass
what are the two main divisions of the skeletal system? - correct answer
✔appendicular and axial


the division of the nervous system concerned with control of skeletal muscle
contractions is called the - correct answer ✔somatic nervous system


in remodeling, which cell type lays down new matrix? - correct answer
✔osteoblasts


the pelvis is located ______________ to the patella - correct answer
✔superior


the vertebrae are an example of what type of bone? - correct answer
✔irregular


which articulation is characterized by being immovable and bound tightly by
fibrous tissue? - correct answer ✔synarthrosis


T or F: the sinoatrial node is also known as the pacemaker of the heart -
correct answer ✔true


The chronotropic effect is caused by stimulation of the _______________
nervous system and causes the heart rate to _______________. - correct
answer ✔sympathetic, increase

,On average, how many times per minute does the SA node discharge at rest?
- correct answer ✔60-80


what hormone(s) is/are responsible for fluid regulation within the body -
correct answer ✔aldosterone and antidiuretic hormone


T or F: sensory neurons are also called afferent neurons - correct answer
✔false


What joint comprises the ankle and wrist joints? - correct answer ✔biaxial


the location of long bone growth is called the - correct answer ✔epiphysis


which of the following occurs during the QRS complex of a typical ECG?


I. depolarization of the atrium
II. repolarization of the atrium
III. repolarization of the ventricle
IV. depolarization of the ventricle - correct answer ✔II and IV


bone density decreases with age beginning in which decade of life? - correct
answer ✔third


When throwing a baseball, an athlete's arm is rapidly stretched just before
throwing the ball. Which of the following structures detects and responds to
that stretch by reflexively increasing muscle activity? - correct answer
✔muscle spindle

,cortisol is released by which tissue? - correct answer ✔adrenal cortex


which muscle fiber type is the MOST beneficial for a marathon runner? -
correct answer ✔Type I


Some of the highest bone mineral densities have been seen in what type of
athletes? - correct answer ✔gymnasts


What is the order of the phases of a muscle contraction? - correct answer
✔resting, excitation-contraction coupling, contraction, recharge, relaxation


From what is the heart's electrical impulse normally initiated? - correct answer
✔SA node


T or F: vertebral bodies are specifically engineered to bear the summed
weight of the body superior to them - correct answer ✔true


What is the smallest contractile unit of skeletal muscle? - correct answer
✔sarcomere


articular cartilage has _________ distinct layers - correct answer ✔4


peptide hormones consist of - correct answer ✔amino acids


what substance acts at the neuromuscular junction to excite the muscle fibers
of a motor unit? - correct answer ✔acetylcholine

, T or F: the autocrine method of transporting hormones means that the
compound remains in the cell to influence the activity of the cell in some
manner - correct answer ✔true


What describes Type I muscle fibers? - correct answer ✔fatigue resistant
with high aerobic energy supply


What is the flow of blood? - correct answer ✔right atrium, right ventricle,
lungs, left atrium, left ventricle, body


T or F: the cell membrane of the muscle fiber is known as the sarcolemma -
correct answer ✔true


what substance regulates muscle actions? - correct answer ✔calcium


chondrocytes deposit ______________ in cortical bone - correct answer
✔collagen


the sternum is classified as a __________ bone - correct answer ✔flat


both lordosis and kyphosis occur primarily in which plane? - correct answer
✔sagittal


to which structure do the cross-bridges attach during muscle action - correct
answer ✔actin


what is not part of the conduction system of the heart - correct answer
✔mitral valve

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