A nerve cell and a muscle cell have the same genes, but express different subsets of
them.
Indicate whether the statement is true or false
(
Question 2) Fluid is kept from accumulating in tissue spaces by
A) the urinary system. B) the lymphatic system.
C) sweating. D) breathing.
(
Question 3) __________ controls hormone concentrations.
A) Exposure to sun B) Positive feedback
C) Negative feedback D) Muscle contraction
(
Question 4) The first cervical vertebra is the axis and the second is the atlas.
Indicate whether the statement is true or false
(
Question 5) The molecule that an enzyme affects is its _________.
Fill in the blank(s) with correct word
(
Question 6) The increase in the number of motor units activated as a result of more intense
stimulation is called
A) recruitment. B) latency.
C) sustained contraction. D) threshold stimulation.
(
Question 7) Osteoarthritis is caused by a bacterial infection.
Indicate whether the statement is true or false
(
Question 8) The hearing receptors are most closely associated with the
A) ampulla. B) saccule. C) spiral organ. D) utricle.
(
Question 9) If the area of the cerebral hemisphere corresponding to Broca's area is damaged,
A) motor control of the muscles associated with speech is lost.
B) memory is lost.
C) motor control to the right leg is impaired.
D) eyesight is lost.
(
Question 10) Opiate drugs derived from poppies relieve pain in humans because the human nervous
system has
A) receptors for endogenous opiates.
B) myelin.
C) neurotransmitters.
D) sodium and potassium membrane channels.
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