Endocrine glands

A) have ducts.
B) secrete hormones.
C) secrete substances onto a surface or into an organ.
D) do both secrete hormones and secrete substances onto a surface or into an organ.
E) have all of these characteristics.


Ans: B) secrete hormones.

Anatomy & Physiology

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During the rising (depolarizing) phase of a neuronal action potential,

A. PK+ becomes much greater than PNa+. B. PNa+ becomes much greater than PK+. C. PK+ is the same as PNa+. D. Na+ efflux (flow out of the cell) occurs. E. K+ flows rapidly into the cell.

Anatomy & Physiology

What does "B" represent on the diagram?

A. myosin myofilament B. actin myofilament C. sarcomere D. Z disk E. cross-bridge

Anatomy & Physiology

All of the following will normally be found in the filtrate EXCEPT

A) potassium B) urobilinogen C) glucose D) erythrocytes

Anatomy & Physiology

At birth, the ovaries of a female baby contain less than one million oogonia

Indicate whether the statement is true or false.

Anatomy & Physiology