In what phase of the sexual response cycle does ejaculation occur?
a. excitation phase
b. resolution phase
c. plateau phase
d. orgasmic phase
e. seminal phase
d
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A slowly progressive disorder affecting muscle movement and balance, this condition is characterized by stiff posture, tremors, and reduced spontaneity of facial expressions.
A. Amyotrophic lateral sclerosis B. Multiple sclerosis C. Parkinson disease D. Guillain-Barré syndrome E. None of the choices is correct.
When blood pressure rises, increased output from the baroreceptors stimulates which center?
A) cardioacceleratory B) vasomotor C) respiratory D) cardioinhibitory E) pulmonary
Which autonomic plexus consists of postganglionic sympathetic axons that come off the cervical and thoracic sympathetic trunk ganglia, as well as preganglionic axons from the vagus nerve?
A. Cardiac plexus B. Abdominal aortic plexus C. Esophageal plexus D. Pulmonary plexus E. Hypogastric plexus
Which cavity houses the mediastinum?
A) thoracic B) pelvic C) abdominal D) cranial E) spinal