Answer the following statements true (T) or false (F)
1. Neutrons and electrons are found in the nucleus of the atom.
2. Neutrons contribute to the atomic number of an atom.
3. Neutrons contribute to the atomic mass of the atom.
4. Electrons carry a negative electrical charge.
5. The number of electrons plus the number of protons is equal to the atomic number of an atom.
1. FALSE
2. FALSE
3. TRUE
4. TRUE
5. FALSE
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Increased permeability of the postsynaptic cell to Cl- lessens the likelihood that the postsynaptic cell will undergo an action potential
Indicate whether the statement is true or false
During strenuous exercise, blood flow increases to
a. the heart because of local control factors b. the brain because of reflex control factors c. the skeletal muscles because of local control factors d. both a and c e. none of the above; blood flow remains fairly constant to these organs
What type of receptor responds to changes in temperature?
A. Chemoreceptor B. Mechanoreceptor C. Photoreceptor D. Thermoreceptor
Which of these can release hydroxide ions?
A) Buffers B) Bases and buffers C) Bases D) Acids