________ is locally regulated in the blood by the active form of vitamin D, which acts as a cofactor.

A) Iron
B) Sodium
C) Phosphorus
D) Calcium


D) Calcium

Anatomy & Physiology

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Factors that affect the affinity between hemoglobin and oxygen include CO2, __________, __________, and 2,3-bisphosphoglycerate

Fill in the blank(s) with correct word

Anatomy & Physiology

Sensations of burning or aching pain

A) are carried by type A fibers. B) reach the CNS quickly. C) cause a generalized activation of the reticular formation and the thalamus. D) are well localized. E) are fast adapting.

Anatomy & Physiology

Which muscle moves the bolus into the esophagus?

A) styloglossus B) palatopharyngeus C) salpingopharyngeus D) levator veli palatine E) pharyngeal constrictors

Anatomy & Physiology

The denticulate ligament:

A) is a modification of the pia mater B) is found between all dorsal and ventral roots C) attaches to the dural sac continuously D) has its terminal attachment at S2 E) holds the redicular arteries in place

Anatomy & Physiology