42 Questions
What is the significance of Broad Cast in urine?
Indicates extreme urine stasis and renal failure
What is the characteristic of Amorphous Urates?
Yellow brown granules
Which of the following crystals is most pleomorphic?
Uric Acid
What is the significance of Calcium Oxalate crystals in urine?
Increases with high oxalic acid in food
Which of the following crystals is commonly seen in patients with liver disease?
Tyrosine
What is the characteristic of Triple Phosphate crystals?
Colorless, 3 to 6-sided prisms
What is the significance of Ammonium Biurate crystals?
Indicates old specimen
What is the characteristic of Cholesterol crystals?
Staircase pattern
What is the significance of Cystine crystals?
Indicates impaired renal reabsorption
What is the characteristic of Sulfonamide crystals?
Sheaves of wheat
What is the most common cause of male infertility?
Varicocele
What is the recommended method for collecting semen samples?
Using a non-lubricant condom
How many samples should be collected for fertility testing?
2 or 3 samples
What is the purpose of vasectomy?
To achieve male sterilization
What is the concern in postvasectomy semen analysis?
The presence or absence of spermatozoa
How should the semen specimen be stored while awaiting analysis?
At 37°C
What should happen to the semen specimen within 30-60 minutes after collection?
It should liquefy
What is the time limit for delivering the semen specimen to the lab?
Within 1 hour
What is the primary mechanism of secretory diarrhea?
Increased secretion of water and electrolytes that override the reabsorption ability of the large intestine
Which of the following enzymes is most resistant to intestinal degradation?
Elastase I
What is the primary cause of osmotic diarrhea?
Incomplete breakdown or reabsorption of food in the small intestine
What is the primary use of fecal carbohydrate testing?
To diagnose osmotic diarrhea
Which of the following is a common cause of lactose intolerance?
All of the above
What is the primary mechanism of altered motility?
Enhanced or slowed motility in the large intestine
Which of the following is a common cause of secretory diarrhea?
All of the above
What is the primary use of fecal reducing substances testing?
To diagnose congenital disaccharidase deficiencies
Which diluting fluid is traditionally used in the given text?
Formalin-Sodium bicarbonate
According to Kruger's strict criteria, what percentage of normal forms is considered acceptable?
14%
Which stain is the preferred choice for sperm morphology?
Papanicolaou's stain
What is the characteristic shape of a sperm head affected by varicocele?
Cigar-shaped
For routine criteria, what minimum percentage of normal sperm forms is required?
30%
What is the approximate size of the enzyme-containing acrosomal cap?
3 µm
What is the length of the sperm head in micrometers?
5 µm
What condition is described as the hardening of veins that drain the testes?
Varicocele
What should be used to assess sperm motility?
A well-mixed, liquefied semen specimen within 1 hour of collection
What is a normal pH range for semen?
7.2-8.0
Which condition might cause an increased pH value?
Infection
What should be counted when assessing sperm motility?
Percentage of different motile categories
What are the normal sperm motility values within 1 hour?
>50% motile
Which method is commonly used to prepare a sample for sperm concentration assessment?
Dilution 1:20 with mechanical pipet
What does Computer-Assisted Semen Analysis (CASA) provide?
Objective determination of sperm velocity and trajectory
What are the borderline sperm concentration values according to the text?
10-20 million/mL
This quiz covers the characteristics and clinical significance of broad casts in urine, including their appearance, source of error, and reporting.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
