Which of the following structures is NOT found in the mediastinum?
A) heart
B) lungs
C) esophagus
D) lymph nodes
Answer: B) lungs
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Which of the following is an example of psychological restraint?
a. a sedative c. the evil eye b. the bear hug d. the scruff
In the male, which muscle ejects urine or semen, compresses the base of the penis, and helps in formation of an erection?
A. External urethral sphincter B. Superficial transverse perineal muscle C. Pubococcygeus D. Bulbospongiosus E. Iliococcygeus
The sodium-potassium pump located in the plasma membrane
A. actively transports potassium into cells. B. osmotically moves sodium into cells. C. actively transports water out of cells. D. actively transports sodium into cells. E. moves chlorine out of cells.
The corticospinal tracts control
A. sweat glands. B. posture. C. spinal reflexes. D. voluntary muscle movements.