Which disorder is characterized by frequent, spontaneous, involuntary movement tics (eye blinking, throat clearing, arm thrusting) and vocal tics (grunts, barks), or sometimes by comments that are socially inappropriate, vulgar, obscene, or racist?
A) autism
B) Tourette syndrome
C) ADHD
D) echolalia
B
Explanation: A) This is not characteristic of autism.
B) Correct!
C) This is not characteristic of ADHD.
D) This is a symptom, not a disorder.
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Which of the following statements regarding lymph fluid is NOT true?
a. It is a clear fluid. b. It is returned to the arterial circulation. c. It is collected from body tissues. d. It flows through lymph vessels.
According to sociologists and public health officials, which of the following is the most important factor in determining one's health?
A. genetics B. race C. age D. gender E. one's living environment/socioeconomic status
Most psychoactive drugs affect neurotransmission
Indicate whether the statement is true or false
The pressure of the blood as it leaves the heart is known as:
A. diastolic blood pressure. B. systolic blood pressure. C. hypertension. D. essential hypertension.