Acetylcholine binds to post synaptic receptors on the

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Unformatted text preview: oline to move to the axon membrane and release ACh is: Student Response Value A. AChase +2 B. Ca 0% 100% C. Na+ D. K+ 0% 0% Score: 6. Feedback 0.5/0.5 temporal summation If one input to a reflex releases a depolarizing neurotransmitter with a high frequency it could result in _____ at the receptive region of the receiving neuron. Student Response temporal summation A. Value 100% B. C. D. E. 0% 0% 0% 0% spatial summation action potential All of the above. #1 and #3 only. Score: 7. Feedback 0.5/0.5 paranasal sinuses Match the sinus with its letter. Frontal Sinus A Ethmoid sinus B Sphenoid sinus C Maxillary sinus E Mastoid sinus D Statement Frontal Sinus Ethmoid sinus Sphenoid sinus Maxillary sinus Mastoid sinus Response A B C D E Value 20.0% 20.0% 20.0% 20.0% 20.0 % Score: 8. 0.5/0.5 choroid plexus Cerebrospinal fluid is a filtrate from the capillaries of the: Student Response choroid plexus A. Value 100% B. falx cerebri C. superior sagittal sinus D. septum pellucidum 0% 0% 0% Score: 9. Feedback 0.5/0.5 crossed extensor reflex The crossed extensor reflex consists of: Student Response Value A. A withdrawal reflex on one side of the 0% body and a stretch reflex on the other side. B. A withdrawal reflex on one side of the 0% body and a tendon reflex on the other side. 100% C. A withdrawal reflex on one side of the body and extension on the other side. D. A withdrawal reflex on one side of the 0% body and a flexor reflex on the other side. Score: 10. Feedback 0.5/0.5 glossopharyngeal nerve The autonomic function of the glossopharyngeal nerve is: Student Response A. sensory from taste buds B. sensory from baroreceptors in carotid sinus C. motor to muscles of swallowing D. motor to salivary glands E. all of the above F. #1 and #3 G. #2 and #4 Score: 11. Value Feedback 0% 0% 0% 0% 0% 0% 100% 0.5/0.5 Voltage gated Na+ channels open. As a result of threshold depolarization at the neuromuscular junction, what happens on the adjacent sarcolemma? A. B. C. D. Student Response Calcium ions enter the axon Calcium ions enter the sarcoplasm from the sarcoplasmic reticulum. Acetylcholine is released into the synaptic cleft by exocytosis. Acetylcholine binds to post-synaptic receptors on the sarcolemma. Value 0% 0% 0% 0% Feedback Student Response E. Na+ moves across the sarcolemma into the muscle cell. F. Opening of the chemically-gated sodium channels. G. Opening of the voltage-gated sodium channels. H. Opening of potassium channels. I. Binding of calcium ions to Troponin C. J. Uptake of ATP by the myosin heads. K. Attachment of actin-myosin crossbridges and swiveling of the myosin heads. Score: 12. Value Feedback 0% 0% 100% 0% 0% 0% 0% 0.5/0.5 fibrocartilage Which of the following forms the structure of the intervertebral disks? Student Response fibrocartilage A. Value 100% B. elastic cartilage C. hyaline cartilage D. elastic connective tissue 0% 0% 0% Score: 13. Feedback 0.5/0.5 syndesmosis A syndesmosis is actually a small _____ which connects bones in a non-movable way. A. tendon B. ligament Student Response Value 0% 100% C. aponeur...
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This note was uploaded on 01/29/2013 for the course BIOL 239 taught by Professor Swan during the Fall '12 term at New Mexico.

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