Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
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Textbook Question
Chapter 12, Problem 8RQ
Which of the following means the ability to transmit
A. Conductivity
B. Excitability
C. Contractility
D. Automaticity
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Which of the following is not excitable or have the capacity to generate electrical signals?
Select one:
a.
Neuron
b.
Cardiac Muscle cell
c.
Skeletal Muscle
d.
Skin cell
Which of the following statements describe a characteristic of the human body?
a. Under certain conditions your body’s resistance can be low as a few hundred ohms.
b. The lower the resistance of your body, the more current that can be forced through it by a given amount of voltage.
c. The resistance of your body is lower than the normal when you are wet.
d. All of the above.
EXPLAIN
Our nerve impulse travels from one neuron to the next in the form of.
a. chemical signal
b. electrical signal
c. electromagnetic signal
d. pressure signal
Chapter 12 Solutions
Cardiopulmonary Anatomy & Physiology
Ch. 12 - 1. Which of the following is the rapid upstroke in...Ch. 12 - Prob. 2RQCh. 12 - Prob. 3RQCh. 12 - Prob. 4RQCh. 12 - Which of the following slows the heart rate and AV...Ch. 12 - Prob. 6RQCh. 12 - Prob. 7RQCh. 12 - Which of the following means the ability to...Ch. 12 - An electrical difference across the fibers of the...Ch. 12 - Prob. 10RQ
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- Give brief answers What will a first aider do in the following situations: a. a person having an electrical burn b.a person having a head or spine injury c. a person having cardiac arrest d. a person having excessive bleedingarrow_forwardBoth potassium and sodium channels located along the nerve membrane are voltage-gated. This means that they respond to the changes in the voltage by opening and closing the gates to allow the ions to flow in or out of the membrane. When the threshold level is reached and depolarization occurs, how come only the sodium ions begin to rush in? a. The threshold levels for both sodium and potassium channels are equal, but sodium channels are slower to open. b. The threshold levels for both sodium and potassium channels are equal, but potassium channels take longer to open. c. The threshold level for the potassium channels is lower than the sodium channels. d. The threshold level for the potassium channels is higher than the sodium channels.arrow_forwardA neuron without an axon would be unable to a. conduct nerve impulses b. divide c. receive stimulation from other neurons d. store genetic materialarrow_forward
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