Extension (or straightening) of the elbow stops when the proximal end of the ulna engages the ________

A) medial epicondyle of the humerus B) olecranon fossa of the humerus
C) coronoid fossa of the humerus D) trochlea of the humerus


Answer: B

Anatomy & Physiology

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Explain dehydration and its effect on the osmotic concentration of blood

A) Dehydration occurs when water gains outpace water losses causing the osmotic concentration of blood plasma to decrease. B) Dehydration occurs when water losses outpace water gain causing the osmotic concentration of blood plasma to decrease. C) Dehydration occurs when water gains outpace water losses causing the osmotic concentration of blood plasma to increase. D) Dehydration occurs when water losses outpace water gain causing the osmotic concentration of blood plasma to increase. E) Dehydration occurs when water losses equal water gains but the osmotic concentration of the ICF increases.

Anatomy & Physiology

Which of the following statements about how we perceive odor is true?

A. Olfaction is coupled with gustation (taste). B. Each olfactory cell has one type of receptor to detect multiple odors. C. If there is a threshold stimulus at the trigger zone of the olfactory cell, an action potential is generated and passed to a synapse within the olfactory bulb of CN II. D. The binding of an odor molecule initiates an action potential.

Anatomy & Physiology

What is the difference between neurons and neuroglia?

Anatomy & Physiology

Starting with the renal artery, place the arteries carrying blood into the renal cortex in order.

• segmental artery • renal artery • arcuate artery • interlobar artery • cortical radiate artery

Anatomy & Physiology