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PHYS

Chap 7-13

Which is true of an action potential? The outside of the plasma membrane is negatively charged, and the inside is positively charged.
Which of the following statements about amino acid neurotransmitters is incorrect? They are all inhibitory neurotransmitters.
Within the nervous system, coding for the strength of a stimulus is accomplished through: the frequency of nerve impulses.
For a neurotransmitter to produce an inhibitory postsynaptic potential, which of the following channels must open? Potassium and/or chloride channels
The only ion(s) that can diffuse across a neuron’s membrane when the neuron is at rest is (are): potassium.
If the dorsal root ganglia of the spinal nerve were destroyed, a person would lose _____ related to that pathway. sensory perception
Which of the following is not a function of the hypothalamus? Regulation of motor activity
Normal infants will show the Babinski reflex up to the age of _____ years. 1.5-2
If you slammed your finger in a car door, it would stimulate _____ pain fibers. acute
The receptors responsible for sensing crude and persistent touch are the: Ruffini corpuscles.
The olfactory tract carries impulses associated with: smell.
Blood volume per kilogram of body weight varies inversely with: body fat.
All of the following are components critical to coagulation except none of the above; all of these components are critical to coagulation.
The vagus is said to act as a “brake” on the heart. This situation is called vagal inhibition.
The body’s defense mechanisms can be organized into one of two major categories of immune mechanisms; these are innate and adaptive immunity.
The symbol HbNCOOH– is used for: carbaminohemoglobin.
Which is not a means of transporting oxygen in the blood? Combined with the bicarbonate ion (HCO3–)
Polysaccharides are hydrolyzed into disaccharides by enzymes known as: amylase.
Which blood vessel carries absorbed food from the GI tract to the liver? Portal vein
Which of the following is not true of enzymes? They change chemically and are in the end products of the reaction.
Created by: RNDotson
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