Question
In: Biology
Which Cell type controls heart rate? Which cell type controls the hearts force of contraction Which...
Which Cell type controls heart rate?
Which cell type controls the hearts force of contraction
Which type of receptor are found on pacemaker cells?
Which type of receptor are found on myocytes
Solutions
Expert Solution
Pacemaker or P cells control the heart rate.
L type cells which control Ca2+ concentration controls the heart's force of contraction
M2B1 and some amount of B2 receptors are found on pacemaker cells
Alpha1-Adrenoceptors are found in myocytes.
gladiator answered 2 years agoRelated Solutions
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a. How will adding a warm solution to the heart effect heart rate and contraction and...
a. How will adding a warm solution to the heart effect heart
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b. How will adding epinephrine to the heart effect heart rate and
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c. How will cooling the heart down effect heart rate and
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d. How will adding an epinephrine agonist effect the heart and
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1 How will adding a warm solution to the heart effect heart rate and contraction and...
1 How will adding a warm solution to the heart effect heart rate
and contraction and state the physiological reasoning behind
this.
2.How will adding an alpha-1 blocker to the heart effect heart
rate and contraction and state the physiological reasoning behind
this.
3. How will cooling the heart down effect heart rate and
contraction and state the physiological reasoning behind this.
4. How will adding epinephrine agonist to the heart effect heart
rate and contraction and state the physiological...
9. Discuss the mechanism(s) by which heart rate and strength of contraction are impacted by sympathetic...
9. Discuss the
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contraction are impacted by sympathetic activation (6 pts)?
10. Discuss the reflex that regulates changes in blood pressure
through the activation of baroreceptors (8 pts).
12. Compare and contrast action
potentials in myocardial cells and P cells with respect to
mechanism and function (12 points).
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An autorhythmic heart cell is one in which
1. How is the contraction of a skeletal muscle cell different than the contraction of a...
1. How is the contraction of a skeletal muscle cell
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this aid in each muscle cell's function? 2. What is the purpose of
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1. How is the contraction of a skeletal muscle cell different than the contraction of a...
1. How is the contraction of a skeletal muscle cell different
than the contraction of a smooth muscle cell? How does this aid in
each muscle cell's function? 2. What is the purpose of myoglobin in
slow-twitch muscle fibers? Why is there more myoglobin in
slow-twitch muscle fibers than in fast-twitch fibers? 3. What is
the purpose of gap junctions in cardiac muscle cells and some
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How does the electrical conduction through the heart influence contraction, volume, pressure, and heart sounds?
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Question 18
Which of the following is a type of local signaling in which a
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hormonal signaling
autocrine signaling
paracrine signaling
synaptic signaling
Question 19
Hormones are chemical substances produced in one organ that are
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