Which are considered specific characteristics of all muscle cells?a: Contractilityb: Extensibilityc: Excitabilityd: Elasticitye: Conductivity
A. a, b, d, e
B. a, b, c, d
C. a, c, d, e
D. a, b, c, d, e
E. b, c, d
Answer: D
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In a resting neuron, the area just inside of the cell membrane is more _____ than the area just outside of the cell membrane.
A. positive B. negative
Adipose tissue that surrounds the renal capsule is called the ________.
What will be an ideal response?
You receive a call to a residence for a 60-year-old man who is bleeding from his dialysis shunt. When you arrive, the patient's wife, who has been properly trained on the use of the dialysis machine, tells you that she panicked and called EMS. The dialysis cannula has loosened from the needle, which is still in the shunt. Your initial action should be to:
A) immediately clamp off the cannula and apply direct pressure. B) attempt to tighten the connection between the needle and cannula. C) remove the dialysis needle from the shunt and apply direct pressure. D) apply direct pressure over the shunt and carefully remove the needle.
For an action potential to be generated the signal must be strong enough at the axon hillock to bring the membrane voltage to a critical value called the THRESHOLD. The threshold value is typically at