Breathing into a paper bag is frequently presented as a remedy for emotional distress in popular culture. Assuming the paper bag chosen is impermeable to atmospheric gases, which of the following is the most likely outcome?
a. The respiratory quotient will increase.
b. The partial pressure of oxygen in the lungs will increase.
c. The partial pressure of oxygen in the lungs will decrease.
d. The respiratory quotient will decrease.
c. The partial pressure of oxygen in the lungs will decrease.
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The electrical difference across a neuronal membrane is measured in
A. joules. B. millivolts. C. newtons. D. milliamperes. E. milliwatts.
The area of the retina that is richest in photoreceptors is called the ________
a. choroid b. fovea c. sclera d. optic nerve
Most conifers are ____
a. nonvascular b. dikaryotic c. deciduous d. seedless e. evergreen
A woman who has blood type A, has a daughter who is type O positive and a son who is type B negative. Rh positive is a simple dominant trait over Rh negative.Which of the following is a possible genotype for the mother?
A) IAIA B) IBIB C) ii D) IAi E) IAIB