A volleyball player jumps to spike the ball and feels a pop as she goes up. When she comes down, she has lost the ability to plantar flex her foot. Which structure has she likely injured?
A. Her anterior-lateral patellar retinaculum
B. Her posterior cruciate ligament
C. Her anterior cruciate ligament
D. Her calcaneal (Achilles) tendon
Answer: D
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Which of the following muscles is mainly responsible for elevating the sternum during forced inspiration?
A. External intercostal B. Pectoralis minor C. External oblique D. Sternocleidomastoid E. Diaphragm
Lobes of the brain are named for the bones that protect them, and these lobes are part of the
A. diencephalon. B. cerebrum. C. metencephalon. D. cerebellum.
During the steps of glycolysis, ________ ATPs, ________ NADHs, and ________ molecules of pyruvate are produced.
A. 4; 6; 8 B. 3; 4; 5 C. 6; 4; 2 D. 2; 4; 6 E. 4; 2; 2
Plasma membrane phospholipids
A. are arranged in a single layer. B. have polar (charged) tails. C. are 95% cholesterol. D. have tails that face the exterior of the membrane. E. have a hydrophilic head and hydrophobic tails.