Which muscle works as an antagonist to orbicularis oculi?
A) corrugator supercilii B) levator palpebrae superioris
C) zygomaticus minor D) risorius
Answer: B
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The ________ includes the thalamus, hypothalamus, and epithalamus
A) diencephalon B) basal nuclei C) midbrain D) brain stem
Sperm cannot fertilize an egg until they _________.
A) undergo capacitation. B) undergo decapitation. C) are in the vagina for 3 days. D) lose their acrosome. E) undergo activation.
What is NOT an effect of parathyroid hormone (PTH)?
A.)increased release of calcium ions from bone B.)increased osteoblast activity C.)increased reabsorption of calcium ions from fluid in the kidneys D.)increased absorption of calcium ions by the small intestine
The response to signals from Golgi tendon organs is to
A. decrease the degree of muscle contraction. B. increase the degree of muscle contraction. C. decrease the degree of muscle relaxation. D. None apply.