Which of the following muscles is named for its action?
A) deltoid B) adductor magnus C) biceps brachii D) gluteus maximus
Answer: B
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In order to trigger the release of neurotransmitter from a neuron terminal, calcium ions
A. exit the synaptic knob through diffusion. B. bind to proteins on the surface of synaptic vesicles. C. penetrate the synaptic vesicles and bind to molecules of neurotransmitter. D. bind to ion channels on the neuron membrane and cause them to open for the transmitter.
Answer the following statements true (T) or false (F)
1. Calcium carbonate crystal in the macula are called cristae. 2. Raised group of hair cells in the ampulla are called otoliths. 3. The round window separates the cochlear chamber from the middle ear. 4. The saccule is part of vestibule. 5. The oval window is covered by the stapes footplate.
The hormone that stimulates the development of the egg follicle in the ovary is:
a. estrogen b. LH c. FSH d. progesterone
What percentage of our blood is plasma?
A. 90% B. 55% C. 45% D. 65%