Which muscle is the primary dorsiflexor of the foot at the ankle?
A. Tibialis anterior
B. Extensor hallucis longus
C. Fibularis brevis
D. Extensor digitorum longus
E. Gracilis
A
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Answer the following statements true (T) or false (F)
1. Seminal fluid is slightly acidic to protect the sperm from the alkaline condition of the female reproductive tract. 2. The penis contains two separate columns of erectile tissue: one corpus spongiosum and one corpus cavernosa. 3. The scrotum contains the testes, epididymis, the lower part of the ductus deferens, and the beginning of the spermatic cords. 4. The female gonads are the ovaries. 5. In the female, the gonads produce ova.
An important feature of a hypothesis is that it has to be ________.
A. testable B. a known fact C. true D. a widely accepted theory E. false
Trace the path of a drop of blood from the right forearm to the right atrium
What will be an ideal response?
Which is TRUE about the pleural sac?
A. It is continuous with the atmosphere and protects the lungs from infection. B. It is a closed sac surrounding each lung that contains only a tiny volume of lubricating fluid. C. It is a closed sac surrounding each lung and contains a large volume of surfactant. D. It is a closed, air-filled space surrounding both lungs that has a negative pressure compared to atmospheric pressure. E. It is bounded by pleural membranes that are very thin, which allows for abundant gas exchange.