Exam 51: Salt and Water Balance and Nitrogen Excretion

The hormone _______ raises glomerular filtration rate by constricting efferent glomerular arterioles.

Choose the incorrect pairing between animal group and major excretory product.

Which statement about the movement of water into and out of the tubules of animal excretory systems is false?

Marine bony fishes acquire salt when they feed.They handle this salt load by

Except for _______, marine vertebrates are _______, which means they maintain their extracellular fluid at osmolarities much _______ than seawater.

The kidneys help maintain homeostasis with respect to blood pH by

Organisms whose tissue fluids can have the same osmolarity as the environment are called _______.

The part of the nephron that receives the glomerular filtrate is called _______.

Unlike most vertebrates, hagfishes are

Which feature does not characterize the nasal salt glands of birds?

Which substance would be reabsorbed in the smallest amounts by the renal tubule?

Regarding renal clearance in humans, foreign substances such as drugs would most likely be

Marine invertebrates in which the osmolarity of the extracellular fluids equilibrates with the environment are known as

In insects, cells of the _______ actively transport Na⁺, K⁺, and uric acid into the excretory system, and water follows.Next, epithelial cells of the _______ actively transport Na⁺ and K⁺ from the gut back into extracellular fluid, and water follows.

Which statement about metanephridia is false?

Which feature does not characterize uric acid?

An animal that excretes ammonia lives in a(n) _______ habitat and has respiratory structures called _______through which this nitrogenous waste diffuses.

Water and solutes that pass through fenestrations in the capillary wall of the glomerular filter, next pass through a layer called the _______.

Blood enters the glomerulus by way of the

Which feature is the main site of glucose and amino acid reabsorption in the mammalian kidney?