Defense mechanisms that respond at the same speed and efficiency upon repeated exposure are classified as ______ immunity and defense mechanisms that increase in speed and strength upon repeated exposure are classified as ______ immunity
A.
innate; non-specific
B.
adaptive; innate
C.
specific; innate
D.
innate; adaptive
D
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When amino acids are metabolized for energy, the nitrogen is converted to urea and then is excreted from the body by the __________.
A) skin. B) kidneys. C) sweat glands. D) liver. E) spleen.
Which of the following structures of the lower limb is correctly matched to its description?
A. Tibial tuberosity - superior to the patella B. Greater trochanter - distal shaft of femur C. Patella - bone within tendon of quadriceps D. Lateral malleolus - distal end of tibia E. Medial malleolus - proximal end of the tibia
The P wave of a normal electrocardiogram indicates ________.
A) ventricular repolarization B) ventricular depolarization C) atrial repolarization D) atrial depolarization
Unlike other joints, a ________ does not join two bones to one another
A) suture B) gomphosis C) syndesmosis D) cartilaginous joint E) bony joint