Causes of alopecia (baldness) include ________

A) Scalp infections B) Aging and heredity factors
C) Chemotherapy and other medications D) All of the above


D

Anatomy & Physiology

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During an action potential of a neuron, the type of ion that enters the cell and causes depolarization is the _______ ion.

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

Anatomy & Physiology

Once inside the sympathetic trunk, the sympathetic preganglionic axons may/will

A. follow any of the routes listed. B. travel inferiorly. C. remain at the level of entry. D. travel superiorly.

Anatomy & Physiology

A patient suffers an inability to shrug their shoulders. The nerve most likely to be damaged is the

A) vagus. B) accessory. C) facial. D) trigeminal. E) vestibulocochlear.

Anatomy & Physiology

Aldosterone exerts effects on principal cells of the kidney by causing

A. increased numbers of Na+/K+ pumps. B. decreased numbers of Na+/K+ pumps. C. increased levels of cAMP and increases in the total number of Na+ channels. D. decreased levels of cAMP and decreases in the number of open K+ channels.

Anatomy & Physiology