When antidiuretic hormone (ADH) levels are low ________

A) nearly all of the filtered water is reabsorbed
B) a small volume of concentrated urine is excreted
C) most of the water reaching the collecting ducts is not reabsorbed
D) aquaporins are inserted into the principal cell apical membranes


Ans: C) most of the water reaching the collecting ducts is not reabsorbed

Anatomy & Physiology

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When the flexor muscles of one arm contract in a withdrawal reflex, the extensor muscles of the other arm contract. This phenomenon is called

A. crossed flexor reflex. B. crossed extensor reflex. C. ipsilateral reflex. D. flexor extensor reflex.

Anatomy & Physiology

Which of the primary tissue types is most widely distributed throughout the body?

A.   Connective B.   Muscle C.   Nervous D.   Epithelium

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Which of the following would be most easily broken?

A. An ionic bond B. A hydrogen bond C. A nonpolar covalent bond D. A polar covalent bond

Anatomy & Physiology

A telomere is a type of hormone that controls the cell cycle.

Answer the following statement true (T) or false (F)

Anatomy & Physiology