Answer the following statements true (T) or false (F)
1. Although elite sprinters display improved kinematics over non-elite sprinters, elite 1500-m runners do not display distinguishable kinematic differences over other skilled runners.
2. The vertical acceleration graph of a ball tossed into the air will follow a parabolic path.
3. If air resistance is disregarded, the horizontal component of a projectile is constant.
4. Toddlers exhibit more kinematic variability than adults during walking.
5. At the apex of the trajectory of a projectile, vertical velocity is at its maximum.
1. FALSE
2. FALSE
3. TRUE
4. TRUE
5. FALSE
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The _________ of a muscle refers to the identity of the nerve that stimulates it.
Fill in the blank(s) with the appropriate word(s).
What prevents food from entering the nasal passages during swallowing?
a. elevation of the uvula b. contraction of the pharyngeal muscles c. positioning of the tongue d. tight apposition of the vocal cords over the glottis e. elevation of the epiglottis over the nasopharynx
Medicines that overstimulate respiratory centers in the brain lead to
A. metabolic alkalosis. B. respiratory alkalosis. C. metabolic acidosis. D. respiratory acidosis.
Which of the following statements regarding the nasal septum is correct?
A) The nasal septum may be slightly deviated to one side or the other. B) The nasal septum is comprised mainly of cartilage. C) Inflammation of the nasal septum is common during infection. D) The nasal septum separates the oropharynx and nasopharynx