What cell in the parathyroid gland secretes parathyroid hormone?

a. Chief (principal) cell
b. Oxyphil
c. Basophil
d. Parafollicular cell


Answer: a. Chief (principal) cell

Anatomy & Physiology

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Where is the pneumotaxic center located?

A. Apneustic center B. Medulla oblongata C. Pons D. Limbic system E. Ventral respiratory group

Anatomy & Physiology

Cations are smaller in diameter than their electrically neutral atom. Why?

A) When electrons are lost, the remaining electrons are pulled closer toward the nucleus. B) When electrons are lost, the remaining electrons are pulled further away from the nucleus. C) When electrons are gained, the electrons are pulled closer toward the nucleus. D) When electrons are gained, the electrons are pulled further away from the nucleus. E) When electrons are lost, the remaining electrons enter the nucleus.

Anatomy & Physiology

Most strokes and heart attacks are caused by the abnormal clotting of blood in an unbroken vessel. Moreover, a piece of the ________ (clot) may break loose and begin to travel in the bloodstream as a(n) ________

A) embolism; thrombus B) thrombosis; plaque C) plaque; thrombus D) thrombus; embolus E) plaque; embolus

Anatomy & Physiology

What is the connective tissue that surrounds the entire muscle?

A. Fascia B. Perimysium C. Endomysium D. Epimysium

Anatomy & Physiology