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WorksheetsL07 Urinary System
Total questions: 45
Worksheet time: 23mins
The female urethra is approximately:
$15-20 \text{ cm}$ long
$\approx 4 \text{ cm}$ long
$\approx 10 \text{ cm}$ long
The length is highly variable
Which part of the female urethra is lined with stratified epithelium for protection?
Proximal urethra
Neck of bladder
Distal urethra
Entire length
Micturition is initiated when urine accumulation activates:
Voluntary nerve endings
Stretch receptors in the bladder wall
The external urethral sphincter
The cerebral cortex
The reflex action of micturition involves the contraction of the:
External urethral sphincter
Pelvic floor muscles
Detrusor muscle
Internal urethral sphincter
In infants and young children, micturition is:
Completely voluntary
Largely involuntary
Controlled by the external sphincter
Inhibited by the cerebral cortex
Voluntary control of micturition in adults is provided by the conscious control over the:
Internal urethral sphincter
Detrusor muscle
External urethral sphincter
Renal pelvis
Urine output of less than $400 \text{ mL}$ per day is defined as:
Anuria
Polyuria
Dysuria
Oliguria
The absence of urine is defined as:
Polyuria
Anuria
Nocturia
Oliguria
The presence of blood in the urine is called:
Proteinuria
Ketonuria
Haematuria
Glycosuria
The presence of protein in the urine, often due to leaky glomeruli, is:
Glycosuria
Haematuria
Proteinuria
Ketonuria
Pain on passing urine, often described as a burning sensation, is:
Polyuria
Nocturia
Dysuria
Incontinence
The presence of glucose in the urine, abnormal in conditions like diabetes mellitus, is:
Proteinuria
Glycosuria
Uraemia
Ketonuria
The involuntary leakage of urine is:
Nocturia
Frequency
Incontinence
Oliguria
Glomerulonephritis is a group of disorders affecting the:
Renal pelvis
Ureters
Glomeruli
Renal tubules
Which microscopic description of glomerulonephritis involves an increased number of glomerular cells?
Membranous
Focal
Diffuse
Proliferative
Painless passage of blood in urine due to damaged glomerular walls is a sign of glomerulonephritis known as:
Proteinuria
Hypertension
Haematuria
Uraemia
The accumulation of nitrogenous wastes (urea, creatinine) in the blood is called:
Oliguria
Hyperlipidaemia
Uraemia
Acidosis
Nephrotic syndrome is characterized by marked proteinuria, generalized oedema, hyperlipidaemia, and:
Hyperglycaemia
Hyperkalaemia
Hypoalbuminaemia
Hypertension
In nephrotic syndrome, oedema is caused by the loss of plasma proteins, mainly albumin, which reduces:
Glomerular filtration rate
Plasma osmotic pressure
Renal blood flow
Renin secretion
The most common cause of nephrotic syndrome in children is:
Diabetic nephropathy
Minimal-change glomerulonephritis
Systemic lupus erythematosus (SLE)
Hypertension
Diabetic nephropathy is kidney damage caused by:
Renal calculi
Hypertension
Diabetes mellitus
Urinary tract infection
The two major risk factors for diabetic nephropathy are long-standing hyperglycaemia and:
Hyperlipidaemia
Proteinuria
Hypotension
Hypertension
Hypertension can cause renal disease by damaging renal vessels, leading to $\downarrow$ renal blood flow and triggering the:
ADH system
Calcitonin system
Renin-Angiotensin-Aldosterone System (RAAS)
Parathyroid hormone system
A sudden, severe reduction in Glomerular Filtration Rate (GFR) and kidney function is:
Chronic Kidney Disease (CKD)
End-Stage Kidney Disease (ESKD)
Acute Kidney Injury (AKI)
Nephrotic syndrome
$\downarrow$ Renal blood flow (e.g., from severe haemorrhage) is classified as which cause of AKI?
Postrenal
Renal (intrinsic)
Prerenal
Systemic
Urine outflow obstruction (e.g., from a renal stone) is classified as which cause of AKI?
Renal (intrinsic)
Prerenal
Postrenal
Intrinsic
Chronic Kidney Disease (CKD) is characterized by the progressive, irreversible loss of kidney function over:
Days or weeks
Months
Years
Hours
An early sign of Chronic Kidney Disease (CKD) is often:
Anuria
Nocturia
Haematuria
Hypokalaemia
Anaemia in CKD is largely due to the reduced production of:
Renin
Erythropoietin
Aldosterone
$\text{H}^+$ ions
The final, irreversible stage of renal failure is:
Acute Kidney Injury (AKI)
Nephrotic syndrome
End-Stage Kidney Disease (ESKD)
Diabetic nephropathy
Survival with ESKD requires renal replacement therapy, such as kidney transplant or:
Chemotherapy
Diuretics
Dialysis
Antibiotics
Renal Calculi are solid deposits formed when urinary solutes precipitate, mainly:
Sodium chloride and potassium
Urobilin and ammonia
Calcium oxalate and calcium phosphate
Glucose and amino acids
Renal calculi often originate in the collecting tubules or:
Glomerulus
Renal artery
Renal papillae
Urinary bladder
A predisposing factor for renal calculi due to low urine volume and high solute concentration is:
High protein diet
Infection
Dehydration
High urinary $\text{pH}$
Inflammation of the urinary bladder is known as:
Ureteritis
Pyelonephritis
Urethritis
Cystitis
The cause of cystitis is often an ascending infection by which type of bacteria?
Fungal
Bowel bacteria (e.g., $\text{E. coli}$)
Viral
Airborne
Stress incontinence is the leakage of urine during increased:
Body temperature
Intra-abdominal pressure
Blood pressure
Detrusor muscle tone
Which type of incontinence involves a sudden, intense urge to void with inability to delay urination?
Stress Incontinence
Overflow Incontinence
Urge Incontinence
Functional Incontinence
Overflow incontinence is caused by chronic overfilling of the bladder, often due to obstruction from an enlarged:
Uterus
Prostate
Renal pelvis
Intestine
Passing urine during the night is called:
Polyuria
Oliguria
Dysuria
Nocturia
The accumulation of nitrogenous wastes (urea, creatinine) in the blood is called:
Acidosis
Hypokalaemia
Uraemia
Nephrotic syndrome
What is the minimum urine volume required per day to excrete wastes?
$\approx 180 \text{ L}$
$\approx 125 \text{ mL}$
$\approx 1-1.5 \text{ L}$
$\approx 500 \text{ mL}$
The smooth muscle walls of the renal pelvis and calyces propel urine by:
Osmosis
Diffusion
Filtration
Peristalsis
Which organ is located superiorly to the Right Kidney?
Stomach
Spleen
Right adrenal gland
Pancreas
Which of these substances is selectively reabsorbed from the filtrate back into the blood?
Creatinine
Urea
Amino acids
Hydrogen ions
