Enter Title

A

1

Which organ is primarily responsible for filtering wastes from the blood?

A. Urinary bladder
B. Ureter
C. Kidney
D. Urethra

C. Kidney

2

Which of the following is NOT part of the urinary system?

A. Kidney
B. Ureter
C. Urinary bladder
D. Liver

D. Liver

3

The muscular tubes that transport urine from the kidneys to the bladder are called:

A. Urethra
B. Ureters
C. Nephrons
D. Renal arteries

B. Ureters

4

Urine is temporarily stored in the:

A. Kidney
B. Ureter
C. Urinary bladder
D. Urethra

C. Urinary bladder

5

Which structure carries urine out of the body?

A. Ureter
B. Renal pelvis
C. Urethra
D. Renal vein

C. Urethra

B

1

Which part of the kidney contains the glomeruli?

A. Renal medulla
B. Renal cortex
C. Renal pelvis
D. Ureter

B. Renal cortex

2

The inner region of the kidney that contains the loops of Henle is the:

A. Renal cortex
B. Renal medulla
C. Renal artery
D. Renal pelvis

B. Renal medulla

3

The funnel-shaped structure that collects urine before it enters the ureter is the:

A. Renal cortex
B. Renal medulla
C. Renal pelvis
D. Glomerulus

C. Renal pelvis

4

The renal vein carries:

A. Urine to the bladder
B. Blood to the kidney
C. Filtered blood away from the kidney
D. Urine outside the body

C. Filtered blood away from the kidney

5

The functional unit of the kidney is the:

A. Cortex
B. Medulla
C. Nephron
D. Ureter

C. Nephron

C

1

Which process is the FIRST step in urine formation?

A. Tubular secretion
B. Excretion
C. Tubular reabsorption
D. Glomerular filtration

D. Glomerular filtration

2

The liquid produced after glomerular filtration is called:

A. Plasma
B. Blood
C. Filtrate
D. Urine

C. Filtrate

3

Most glucose and amino acids are returned to the bloodstream during:

A. Excretion
B. Tubular reabsorption
C. Filtration
D. Secretion

B. Tubular reabsorption

4

Tubular secretion mainly occurs in the:

A. Bowman's capsule
B. Collecting duct
C. Distal convoluted tubule
D. Renal pelvis

C. Distal convoluted tubule

5

The final step of urine formation is:

A. Reabsorption
B. Filtration
C. Secretion
D. Excretion

D. Excretion

D

1

Which sequence correctly shows the flow of urine?

A. Kidney → Bladder → Renal Pelvis → Ureter
B. Kidney → Ureter → Urinary Bladder → Urethra
C. Ureter → Kidney → Bladder → Urethra
D. Kidney → Urethra → Bladder → Ureter

B. Kidney → Ureter → Urinary Bladder → Urethra

2

Which type of digestion physically breaks food into smaller pieces?

A. Chemical digestion
B. Mechanical digestion
C. Cellular digestion
D. Biological digestion

B. Mechanical digestion

3

Chemical digestion begins in the mouth through the action of:

A. Teeth
B. Tongue
C. Enzymes
D. Gums

C. Enzymes

4

Which enzyme is found in saliva?

A. Lipase
B. Pepsin
C. Amylase
D. Peptidase

C. Amylase

5

The first process of digestion is called:

A. Digestion
B. Ingestion
C. Assimilation
D. Egestion

B. Ingestion

D

1

The moist ball of food formed in the mouth is called:

A. Chyme
B. Feces
C. Bolus
D. Filtrate

C. Bolus

2

Chewing food is also known as:

A. Peristalsis
B. Assimilation
C. Mastication
D. Defecation

C. Mastication

3

The stomach changes the bolus into:

A. Feces
B. Nutrients
C. Chyme
D. Saliva

C. Chyme

4

Food moves through the esophagus by:

A. Diffusion
B. Osmosis
C. Peristalsis
D. Respiration

C. Peristalsis

5

Hydrochloric acid is secreted by the:

A. Liver
B. Pancreas
C. Stomach
D. Small intestine

C. Stomach