63) Which of the following is the correct simple spinal reflex arc? A) receptor,

Question

63) Which of the following is the correct simple spinal reflex arc? A) receptor, efferent neuron, integration center, afferent neuron, effector B) effector, afferent neuron, integration center, efferent neuron, receptor C) effector, efferent neuron, integration center, afferent neuron, receptor D) receptor, af, integration center, efferent neuron, effector 64) Thoracic vertebrae differ from the other vertebrae in that they have A) no transverse B) facets for attachment of ribs C) transverse foramina D) no intervertebral discs 65) Myoglobin . A) breaks down glycogen B) stores oxygen in muscle cells C) is a protein involved in the direct phosphorylation of ADP D) produces the end plate potential 66) The cruciate ligaments of the knee A) prevent hyperextension of the knee B) assist in defining the range of motion of the leg C) tend to run parallel to one another D) are also called collateral ligaments 67) Of the following muscle types, which has only one nucleus, no sarcomeres, and rare gap junctions? A) multiunit smooth muscle B) visceral smooth muscle C) skeletal muscle D) cardiac muscle 68) During vigorous exercise, there may be insufficient oxygen available to completely break down pyruvic acid for energy. As a result, the pyruvic acid is converted to A) a strong base B) stearic acid C) lactic acid D) hydrochloric acid 69) Which of the following does not influence lobin saturation? A) carbon dioxide B) DPG C) nitric oxide D) temperature 70) Most inspired particles such as dust fail to reach the lungs because of A) porous structure of turbinate bones B) ciliated mucous lining in the nose C) action of the epiglottis D) abundant blood supply to nasal mucosa

Explanation / Answer

Answers for the following are:

63.option c

64.option b

65.option b

66.option c

67.option a

68.option c

69.option c

70.option b

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