Flow rate of blood through a vessel is inversely proportional to:
a. vascular resistance
b. vascular gradient
c. pressure gradient
d. pressure back flow
e. vessel strength
a
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Match the following chemical bonds to the correct description:
A) Nonpolar covalent bond C) Polar covalent bond B) Ionic bond D) Hydrogen bond 1) A bond in which electrons are shared unequally. 2) A bond in which electrons are completely lost or gained by the atoms involved. 3) A bond in which electrons are shared equally. 4) A type of bond important in tying different parts of the same molecule together into a three-dimensional structure.
What is the correct sequence of events at a synapse?
(1) neurotransmitter release/diffusion (2) generation of action potential in the postsynaptic cell axon (3) arrival of nerve impulse at synaptic knob in presynaptic cell (4) removal of neurotransmitter molecules from receptors (5) binding of neurotransmitter to receptors A) 3, 1, 5, 2, 4 B) 2, 3, 1, 4, 5 C) 3, 1, 5, 4, 2 D) 1, 5, 4, 2, 3 E) 2, 3, 1, 5,
The system responsible for producing offspring is the _________ system
Fill in the blank(s) with correct word
The ________ conducts impulses from the AV node to the bundle branches, which lead to the Purkinje fibers.
A. SA node B. AV valve C. AV bundle D. ventricular septum