Which of the following is a true statement of the imaging technologies used to study brain anatomy?
a. The MRI uses radioactively labeled oxygen.
b. The PET scan uses radioactively labeled 2-DG.
c. fMRI scans have relatively poor spatial resolution.
d. PET scans have a high degree of temporal resolution.
B
Psychology
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Rashid has just had an orgasm. However, his partner is still excited and wants Rashid to continue his sexual activity. Unfortunately, Rashid has lost his erection. Rashid is probably now in the
A) refractory period. B) male menopause. C) disruptive period. D) plateau.
Psychology
Which of the following statements regarding the sodium-potassium pump is false?
A) It requires a lot of energy B) It works against the concentration gradient C) It pumps sodium into the cell D) It helps maintain the resting potential
Psychology