During the micturition reflex, increased afferent fiber activity in the pelvic nerves facilitates __________.

urine ejection caused by contractions of the internal and external sphincter
the action of stretch receptors in the wall of the bladder
parasympathetic motor neurons in the sacral spinal cord
sympathetic sensory neurons in the sacral spinal cord


parasympathetic motor neurons in the sacral spinal cord

Anatomy & Physiology

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The ________ foramina are exclusive to the cervical vertebra.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

A researcher discovered a sensory receptor that detects decreasing oxygen concentrations in the blood

According to the principles of negative feedback, it is likely that stimulation of this sensory receptor will produce which of the following types of responses? A. a decrease in heart rate B. an increase in the respiratory rate C. an increase in physical activity D. unconsciousness E. both a decrease in heart rate and an increase in the respiratory rate

Anatomy & Physiology

All of the following muscles have an origin on the humerus except which one?

A. Triceps brachii B. Biceps brachii C. Brachioradialis D. Brachialis

Anatomy & Physiology

The tall slender body shape that helps to dissipate heat in people native to equatorial regions is an example of

A. homeostasis. B. phase shift. C. set point resetting. D. an adaptation. E. acclimatization.

Anatomy & Physiology