The regulation of the activity of the breathing muscles, the diaphragm and external intercostals, is controlled by nerve impulses transmitted from the brain via the ________ and ________ nerves
A) splanchnic; sacral
B) trochlear; trigeminal
C) phrenic; intercostal
D) cranial; spinal
C
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What is the importance of reciprocal innervation in muscular reflexes?
A. It prevents excessive force on a muscle from resulting in tearing of fibers, or damage to the tendon. B. It ensures that limbs on the contralateral side of the body perform the same movements as those on the ipsilateral side. C. It recruits synergistic muscles to come to the aid of a muscle that help it generate force and limb motion. D. It prevents simultaneous activity of antagonistic muscle groups that would impede limb movement. E. It maintains signaling along afferent neurons from stretch receptors, even when a muscle shortens rapidly.
Chief cells ________.
A) occur in the intestine B) produce HCl C) are found in the basal regions of the gastric glands D) produce mucin
Which of the following describes an orange-brown animal with dark brown or black ticking?
A) calico B) tabby C) ruddy D) tortoiseshell
Which of the following components of energy expenditure is greatest in an average, sedentary adult?
A. Physical activity B. Adaptive thermogenesis C. Basal metabolic rate D. None of the choices are correct.