Which is not correct regarding the patella?
A. The patella is triangular in shape.
B. The patella can be palpated on the anterior surface of the knee.
C. The posterior aspect of the patella articulates with the femur.
D. The broad superior portion of the patella is called the apex.
E. The patella is located in the tendon of the quadriceps femoris muscle.
Answer: D
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The blood type that has antigen A on the cell and anti-B antibody in the plasma is:
a. type O b. type AB c. type A d. type B
Answer the following statement(s) true (T) or false (F)
1. The enteric nervous system regulates much of the digestive activity, but its action depends on the central nervous system. 2. Enamel is found in the crown of a tooth, whereas dentin is part of both the crown and the root. 3. Both chemical and mechanical digestion start in the mouth and continue in the stomach. 4. Absorption of many nutrients starts in the stomach. 5. Both pancreatic juice and bile are secreted into the duodenum. 6. The large intestine is longer than the small intestine.
The most important factor influencing the percent saturation of hemoglobin is
A. the carbon dioxide level. B. the pH. C. the partial pressure of oxygen. D. the temperature. E. All of these factors are equally important in determining the percent saturation of hemoglobin.
Most cells have a resting membrane potential between ________.
A. +65 mV and +90 mV B. ?60 mV and ?90 mV C. ?65 mV and ?85 mV D. +60 mV and ?90 mV