Activities Quiz

Chapter 44: Osmoregulation and Excretion

Activities Quiz

1 .

The urethra is identified by the letter _____. (Activity: Structure of the Human Excretory System)

question #1

A

B

C

D

E

2 .

Urine formed by a kidney collects in the _____ before being drained from the kidney by the _____ and transported to the _____. (Activity: Structure of the Human Excretory System)

urethra ... urinary bladder ... ureter

renal pelvis ... medulla ... cortex

renal pelvis ... ureter ...urinary bladder

renal pelvis ... urethra ... urinary bladder

ureter ... renal pelvis ... urinary bladder

3 .

Filtrate is formed as fluid is forced through the walls of the glomerulus and, initially, collects in the structure indicated by the letter _____. (Activity: Structure of the Human Excretory System)

question 3

A

B

C

D

E

4 .

The _____ are the major blood vessels transporting blood to the kidneys. (Activity: Structure of the Human Excretory System)

pulmonary arteries

glomerulus

renal arteries

renal veins

venae cavae

5 .

The outer part of the kidney is the _____. (Activity: Structure of the Human Excretory System)

medulla

nephron

lacteal

cortex

Bowman's capsule

6 .

Which of these is the functional unit of a kidney? (Activity: Structure of the Human Excretory System)

neuron

villi

nephron

alveolus

osteon

7 .

The movement of substances out of the glomerulus and into Bowman's capsule is referred to as _____. (Activity: Nephron Function)

secretion

reabsorption

active transport

ion pumping

filtration

8 .

The movement of substances from the blood into the proximal tubule is known as _____. (Activity: Nephron Function)

filtration

dialysis

secretion

reabsorption

none of these

9 .

Which of these is reabsorbed from filtrate? (Activity: Nephron Function)

sodium chloride

glucose

water

amino acids

all of these

10 .

As filtrate moves down the loop of Henle, the surrounding interstitial fluid becomes _____ concentrated than the filtrate, so _____ leaves the filtrate. (Activity: Nephron Function)

more ... urea

less ... urea

more ... water

less ... water

less ... water and urea

11 .

The most abundant solute in urine is _____. (Activity: Nephron Function)

glucose

water

plasma proteins

sodium chloride

urea (and other nitrogenous wastes)

12 .

Which arrow indicates the direction of a gradient of increasing solute concentration in the interstitial fluid surrounding a nephron? (Activity: Nephron Function)

question 12

A only

B only

B and C

C and D

A and D

13 .

Glucose is removed from filtrate by _____. (Activity: Nephron Function)

secretion

diffusion

dialysis

active transport

osmosis

14 .

Under the influence of antidiuretic hormone (ADH), _____ is produced. (Activity: Control of Water Reabsorption)

urine containing more glucose

bloody urine

urine containing a lower concentration of urea

more concentrated urine

less concentrated urine

15 .

Antidiuretic hormone (ADH) makes the _____ permeable to water. (Activity: Control of Water Reabsorption)

ascending portion of the loop of Henle

collecting duct

Bowman's capsule

proximal tubule

descending portion of the loop of Henle