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WorksheetsURINARY (EXCRETORY) SYSTEM- Ayre
Total questions: 48
Worksheet time: 24mins
What is the main function of the kidneys?
The main function of the kidneys is to act as homeostatic organs by excreting nitrogenous waste, toxins, and drugs from the body.
The main function of the kidneys is to produce insulin for glucose regulation.
The main function of the kidneys is to aid in the digestion of proteins in the stomach.
The main function of the kidneys is to control voluntary muscle movements.
Which of the following is NOT a function of the kidneys?
Regulate volume
Maintain salt/water balance
Produce insulin
Maintain acid/base balance
What do kidneys excrete?
Nitrogenous (Nitrogen containing) waste, toxins, and drugs from the body.
Oxygen and carbon dioxide.
Digestive enzymes and hormones.
Glucose and vitamins.
The kidneys produce the enzyme renin, which regulates blood pressure.
True
False
Name two other organs of the urinary system besides the kidneys.
Ureters, urinary bladder, urethra
Liver, pancreas, spleen
Heart, lungs, brain
Stomach, intestines, gallbladder
Which hormone produced by the kidneys stimulates RBC production?
Erythropoietin
Insulin
Thyroxine
Cortisol
Fill in the blank: Kidney cells convert ______ to its active form.
Vitamin D (Vit D)
Vitamin C (Vit C)
Vitamin B12
Vitamin A
Where are the kidneys actually located?
Lower back
Superior lumbar region (From T12-L3)
Thoracic cavity
Pelvic region
Fill in the blank: The right kidney is slightly lower than the left due to being crowded by the _______.
liver
stomach
spleen
pancreas
What are the three protective layers of the kidney?
Fibrous capsule, Fat capsule, Renal Fascia
Renal cortex, Renal medulla, Renal pelvis
Adrenal gland, Renal vein, Renal artery
Cortex, Medulla, Columns
Fill in the blank: The outer, lighter in color region of the kidney is called the _______.
Renal Cortex
Renal Medulla
Renal Pelvis
Ureter
Which region of the kidney contains triangular regions with striped appearance called renal pyramids?
Renal Cortex
Renal Medulla
Renal Pelvis
Renal Fascia
Fill in the blank: The funnel-shaped tube in the kidney is called the _______.
Renal pelvis
Ureter
Nephron
Glomerulus
What is the function of calyces in the kidney?
Filter blood
Enclose the tip of the pyramid and collect urine
Produce hormones
Absorb nutrients
Fill in the blank: Each kidney has over _______ nephrons.
1 million
100 thousand
10 million
500 thousand
What are the two main structures of a nephron?
Renal corpuscle and Renal tubule
Renal cortex and Renal medulla
Renal pelvis and Calyces
Renal artery and Renal vein
Which of the following is NOT one of the main processes of urine formation?
A) Glomerular Filtration
B) Tubular Reabsorption
C) Tubular Secretion
D) Cellular Respiration
Glomerular filtration is a ________, passive process. Fluid (called FILTRATE) passes from the blood into the glomerular capsule.
Non-selective
Selective
Active
Regulated
Blood cells and proteins are typically too large to pass through the filtration membrane during glomerular filtration.
True
False
Tubular Reabsorption involves reclaiming useful substances such as water, glucose, ions, and amino acids and returning them to the blood.
True
False
Which of the following is NOT a common nitrogenous waste product found in urine?
Urea
Uric acid
Creatinine
Glucose
Urea is formed by the liver as an end product of ________ breakdown when amino acids are used to produce energy.
protein
carbohydrate
fat
nucleic acid
How much blood plasma is filtered in 24 hours?
1-1.8 liters
10-20 liters
150-180 liters
500 liters
Urine color ranges from clear/pale to deep yellow due to the destruction of hemoglobin, producing which pigment?
Melanin
Urochrome
Bilirubin
Hemoglobin
Urine is sterile and slightly aromatic if fresh. Over time, urine takes on the ______ smell due to bacterial action.
ammonia
sulfur
chlorine
acetone
What is the typical pH of urine?
About 6 (slightly acidic)
About 2 (highly acidic)
About 8 (slightly alkaline)
About 12 (highly alkaline)
A high protein diet and whole wheat cause urine to be ______, while a vegetarian diet causes urine to be ______.
acidic; alkaline
alkaline; acidic
neutral; acidic
alkaline; neutral
Specific gravity in lab tests measures how heavy urine is compared to distilled water. Is the specific gravity low or high if a person drinks a lot of water, uses diuretics, or has chronic renal fever?
Low
High
Normal
Variable
How many slender tubes (ureters) carry urine from the kidney to the bladder?
2
1
3
4
What is the role of the ureters?
Carries urine from kidney to the bladder
Carries blood from kidney to the heart
Carries urine from bladder to outside the body
Carries food from stomach to intestines
How many openings does the bladder have?
3 (2 ureters and 1 urethra)
2 (1 ureter and 1 urethra)
4 (2 ureters and 2 urethras)
1 (1 urethra)
A moderately full bladder holds about ______ cc (1 pt), but can hold about ______ cc.
500; 1000
250; 500
750; 1500
100; 200
What is the term for the act of emptying the bladder?
Micturition
Filtration
Absorption
Secretion
Which sphincter of the urethra is voluntary?
External sphincter
Internal sphincter
Anal sphincter
Pyloric sphincter
What are the three factors that composition of blood depends on?
Diet, cellular metabolism, and urine output.
Age, gender, and height.
Blood type, heart rate, and temperature.
Exercise, sleep, and stress levels.
Which of the following is NOT a function of the kidneys?
Excrete nitrogen containing waste
Maintain H2O balance of blood
Maintain electrolyte balance of blood
Produce insulin
Fill in the blank: H2O accounts for ___ or more of body weight.
½
¼
⅓
⅕
The posterior pituitary gland releases ADH (Anti diuretic hormone) to prevent excess water loss.
True
False
What hormone helps regulate blood composition and volume by regulating sodium content?
Aldosterone
Insulin
Thyroxine
Adrenaline
Which condition is described as abnormally low urinary output (UOP) of about 100-400 mL/day?
Oliguria
Polyuria
Anuria
Nocturia
Anuria is defined as less than 100 ml/day of urine output.
True
False
Which of the following could indicate glomerular blood pressure is too low, a transfusion reaction, acute inflammation, or crushing injuries?
Oliguria
Anuria
Both
What is another name for pyelonephritis?
Pyelitis
Nephrosis
Cystitis
Glomerulonephritis
What is the inflammation of the urethra called?
Urethritis
Cystitis
Nephritis
Prostatitis
What is the inflammation of the bladder called?
Cystitis
Nephritis
Urethritis
Pyelonephritis
What is the inability to control the external sphincter called?
Incontinence
Constipation
Retention
Obstruction
What is the term for the opposite of incontinence?
Retention
Excretion
Urination
Defecation
What is the medical term for enlargement of the prostate (located by the bladder)?
Hyperplasia
Nephritis
Cystitis
Urethritis
