While a patient sleeps, a polysomnographic evaluation collects data on all of the following characteristics EXCEPT
A. respiration.
B. leg movement.
C. brain waves.
D. metabolic rate.
Answer: D
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Dylan is on a roller coaster that has just reached the top of the first climb and is starting to drop. Based on the James-Lange theory of emotions, Dylan should report,
a. "My racing heart must mean I'm terrified because everyone else is screaming.". b. "I feel terrified because my heart is racing.". c. "My heart is racing because I am terrified.". d. "The sight of the drop makes my heart race and it makes me feel terrified.".
At the conclusion of meiosis, how many sperm cells have been formed?
A. 2 B. 4 C. 8 D. 16
Under which condition is the reliability among several observers likely to be highest?
a) the ratings are subjective b) each rater has a unique frame of reference c) different raters emphasize different behaviors d) the observations do not require the drawing of inferences
Sonia had an unusual experience this morning. As she walked into her class, she suddenly felt sheer terror. Her heart raced and she had difficulty breathing. During the attack, her thoughts swirled and she thought she might be losing control over herself. Sonia’s experience is best described as a __________.
A) gender-specific stress incident B) school-related phobia C) stress-related episode D) panic attack