Answer:
The correct answer will be:
1. Acetylcholine binds to receptors on the motor end plate
2. Chemically-regulated ion channels open, causing depolarization
3 End plate potentials trigger action potential(s).
4. Transverse tubules convey potentials into the interior of the cell
5. Ca++ is released from the sarcoplasmic reticulum
6. Ca++ binds to troponin, pulling on tropomyosin
7. Binding sites on actin are uncovered, allowing myosin to bind and carry out power strokes
8. Force increases.
9. Ca++ is pumped (re-sequestered) into the sarcoplasmic reticulum
10. Force decreases.
Explanation:
The muscle contraction is a highly controlled mechanism which begins at the neuromuscular junction with the release of the acetylcholine neurotransmitter. This neurotransmitter causes the depolarization of the membrane by binding to the receptors of the motor end plate which generates an action potential. This action potential is transmitted via T-tubules from sarcolemma to the sarcoplasmic reticulum.
The sarcoplasmic reticulum releases calcium ions which binds to the troponin protein. This troponin removes the protein tropomyosin from the actin causing the rotation of the tropomyosin exposing the binding sites for myosin. The myosin binds to the actin using energy from the ATP which pulls the actin causing contraction. Another ATP binds the myosin head which weakens the bond between myosin and actin which releases the myosin which decreases the force between them decreases and the muscles relax.
The information that the nurse should include in the teaching is: D. The risk for developing DKA may be increased with the use of an insulin pump
Diabetes mellitus occur when a patient body does not produce insulin that is needed by the body leading to increase in the patient blood sugar level.
Insulin pump is a pump which are use when treating diabetes patients as it help to administer Insulin into the patient body when performing insulin therapy.
DKA which fully meaning is Diabetic ketoacidosis occur when a patient body does not have enough insulin leading to what is called ketones.
The risk for developing Diabetic ketoacidosis can be increased when a patient make use of insulin pump due to the following:
•When the pump fails to function normally due to low battery.
•When their is no longer insulin in the pump.
Inconclusion the information that the nurse should include in the teaching is: D. The risk for developing DKA may be increased with the use of an insulin pump.
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