Match the Types of Muscles, Labelled A

question 51

Short Answer

Match the types of muscles, labelled a. through g., with the properties in question. (Options may be used more than once or not at all.)
a.skeletal muscle only
b.single-unit smooth muscle only
c.cardiac muscle only
d.skeletal muscle and cardiac muscle
e.skeletal muscle and single-unit smooth muscle
f.single-unit smooth muscle and cardiac muscle
g.skeletal, single-unit smooth, and cardiac muscles
-Which events involved in muscle cell contraction are sequenced in the correct order?
1. Sodium channels open, allowing sodium to flow in.
2. Impulse reaches axon's synaptic knob.
3. ACh binds to receptors on sarcolemma.
4. Synaptic vesicles fuse with neuron's membrane and release ACh via exocytosis.
5. If enough sodium moves into the muscle cell, an impulse (action potential) develops.
a.1, 2, 3, 4, 5
b.2, 1, 3, 4, 5
c.2, 4, 3, 1, 5
d.3, 4, 5, 1, 2

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Definitions:

Duration Matching

An investment strategy where the durations of assets and liabilities are aligned to reduce the risk of changes in interest rates affecting the net worth.

Duration

A measure of the sensitivity of the price of a bond or other debt instrument to changes in interest rates, frequently used to assess interest rate risk.

Weighted-Average Time

A calculation that determines the mean time until cash flows are received, adjusted for the relative size of each cash flow, often used in bonds.

Cash Flow Payment

Payments of money, particularly from a company or government to an individual, which can arise from operations, financing, or investments.