Which of the following is NOT true of the gastrocnemius muscle?
A. It has origins on the lateral and medial condyles of the femur
B. It inserts on the calcaneus by way of the calcaneal tendon
C. Its functions in dorsiflexion of the foot.
D. It functions in flexion of the knee.
E. All of these are true of the gastrocnemius muscle.
Answer: C
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Labyrinthitis is a medical condition often caused by viral infection, resulting in swelling and inflammation of the membranous labyrinth. Which of the following symptoms would you most associate with the condition of labyrinthitis?
A) auditory hallucination B) loss of hearing C) ringing in the ears (tinnitus) D) loss of balance and dizziness
Twins produced when a single egg is fertilized are called ________ twins. Twins produced from two eggs ovulated at the same time are called ________ twins
A) monozygotic; identical B) dizygotic; monozygotic C) dizygotic; nonidentical D) nonidentical; identical E) monozygotic; dizygotic
The voltage-gated Na+ channels _____ when the cell membrane reaches threshold level as a result of a stimulus
Fill in the blank(s) with the appropriate word(s).
Which is the prime mover (agonist) used in smiling, when the corners of your moth lift upward?
A. Orbicularis oris B. Zygomaticus C. Masseter D. Orbicularis oculi