Hypovitaminosis of vitamin B12 can cause pernicious anemia, however, hypervitaminosis can cause

A) polycythemia.
B) possible lethal CNS alterations.
C) hypotension.
D) kidney stones.
E) itching and tingling sensations.


A) polycythemia.

Anatomy & Physiology

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Which of the following veins empty directly into the inferior vena cava?

A) left gonadal B) hepatic portal C) azygos D) left adrenal E) renal

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Specialists may be employed in ecamdetia where they perform research or extension duties

Indicate whether the statement is true or false

Anatomy & Physiology

Lymphocytes called ________ T cells attack and kill body cells infected with viruses, bacteria, or parasites.

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

Anatomy & Physiology

Some neurons in the vagus nerve have synaptic connections to sinoatrial (pacemaker) cells in the heart. These neurons secrete acetylcholine, which ultimately results in a decreased heart rate. This is an example of

A. endocrine control B. exocrine control C. hormonal control D. neural control E. paracrine control

Anatomy & Physiology