Predict which of the following reflexes will have the most rapid response time
A) applying the brakes when a person darts in front of your car
B) the stretch reflex
C) catching a ruler between your thumb and index finger
D) the crossed extensor reflex
Answer: B
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The long strap-like muscle on the anterior thigh is the ________ muscle
A) gracilis B) rectus femoris C) iliotibial tract D) adductor longus E) sartorius
The design of a person's epidermal ridges is determined by the manner in which the papillae rest upon the dermal ridges to produce the specific pattern known as handprints, footprints, and fingerprints. Which of the following statements is true regarding these prints or ridges?
A) Every human being has the same pattern of ridges. B) They are genetically determined, therefore unique to each person. C) Because we are constantly shedding epithelial cells, these ridges are changing daily. D) Identical twins do not have the same pattern of ridges.
The volume of alveolar air and capillary blood in the right proportion to each alveolus produces __________.
a. optimum breathing b. pulmonary surfactant c. lung efficiency d. pulmonary circulation
What circulatory system loops between the heart and lungs?
a. pulmonary b. systemic c. arterial d. venous