Which of the following do rods contain?
A. serotonin
B. rhodopsin
C. glutamate
D. dopamine
Answer: B
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Which of the following individuals would be most likely to develop sickle-cell anemia?
a. A Caucasian female under the age of 15 b. An African American c. A Caucasian male of any age d. A person of Asian heritage
Etiologies of intellectual disabilities (ID) differ depending on the level of intellectual impairment. Mild ID is often ____ and more severe ID is ____
a. idiopathic; related to genetic factors, brain abnormalities, or brain injury c. related to genetic factors; related to brain injury b. related to genetic factors, brain abnormalities, or brain injury; idiopathic d. parental neglect; attachment problems
Checking your e-mail is reinforced with receiving important e-mails at unpredictable times according to which type of reinforcement schedule?
A) fixed-interval B) variable-interval C) continuous D) variable-ratio
Jennifer's grandmother has been diagnosed with Alzheimer's disease. Recently, her grandmother has been using a nicotine patch in an effort to boost her abilities to concentrate. Is this strategy likely to work? a. No, because nicotine is a histamine agonist, and histamine produces drowsiness
b. No, because nicotine has no effects on any neurotransmitters involved with wakefulness. c. Yes, because nicotine is a histamine agonist, and histamine produces alertness. d. Yes, because nicotine is a cholinergic agonist, and acetylcholine (ACh) function is associated with alertness.