The ________ constrictors are throat muscles essential for swallowing.
Fill in the blank(s) with the appropriate word(s).
pharyngeal
You might also like to view...
The hip bone is composed of three separate bones. The first to appear on a series of axial CT images arranged in descending order is the ilium.
Answer the following statement true (T) or false (F)
Match each of the terms with its definition or explanation.
a. skeletal muscle b. smooth muscle c. origin d. insertion e. actin f. myosin g. motor unit h. neuromuscular junction i. isotonic j. isometric 1. _____ Protein that makes the thin myofilament 2. _____ Another name for voluntary muscle 3. _____ Type of muscle contraction in which the muscle shortens and the joint moves 4. _____ Point of contact between the nerve ending and the muscle fiber 5. _____ Attachment point to the bone that moves during muscle contraction 6. _____ Another name for visceral muscle 7. _____ Protein that makes up the thick myofilament 8. _____ Attachment point to the bone that is stationary during contraction 9. _____ Muscle contraction in which the muscle tenses but does not shorten 10. _____ Single motor neuron with all the muscle cells it innervates
Muscarine is a poison found in poisonous mushrooms. Muscarine binds to acetylcholine receptors and mimics its action. Which of the following describes the effect of muscarine?
A) Like atropine, it increases the heart rate. B) Like pilocarpine, it increases the heart rate. C) Like pilocarpine, it decreases the heart rate. D) Like atropine, it decreases the heart rate
The gap between the axon terminal of a motor neuron and the sarcolemma of a skeletal muscle cell is called the ________
A) motor unit B) sarcomere C) neuromuscular junction D) synaptic cleft E) cross bridge