98. Which hormone is responsible for the development of male reproductive organs during fetal development?
Anonymous Quiz
69%
A) Testosterone
14%
B) Estrogen
14%
C) Progesterone
3%
D) Oxytocin
👍2
99. Which hormone is secreted by the placenta during pregnancy to maintain the uterine lining?
Anonymous Quiz
9%
A) Prolactin
75%
B) Human chorionic gonadotropin (hCG)
10%
C) Oxytocin
6%
D) Estrogen
👍3
100. Which hormone stimulates the growth of long bones and muscles?
Anonymous Quiz
14%
A) CORTISOL
77%
B) Growth hormone (GH)
7%
C) Thyroxine
1%
D) Insulin
👍4
Which of the species of Shigella most commonly a/w food 🍛 poisoning
Anonymous Quiz
55%
S dysenteriae
23%
S flexneri
16%
S sonnei
5%
S boydii
👍2
The time 🕰️ from stage of penetration of virus 🦠 into host cells till appearance of mature daughter 👶 virus 🦠 is k/a
Anonymous Quiz
42%
Multiplication phase
31%
Eclipse phase
23%
Stationary phase
4%
None options
👍2
Q1: Which is the most commonly used fixative for tissue preservation?
Anonymous Quiz
75%
A) Formalin
10%
B) Acetone
9%
C) Bouin’s solution
7%
D) Ethanol
👍7❤1
Q2: What is the main purpose of a fixative?
Anonymous Quiz
76%
A) To preserve the tissue
14%
B) To change the tissue color
6%
C) To enhance cell growth
5%
D) To kill bacteria
👍3
Q3: In H&E staining, Hematoxylin stains which structure?
Anonymous Quiz
27%
A) Cytoplasm
56%
B) Nucleus
15%
C) Cell membrane
3%
D) Mitochondria
👍2
Q4: In Eosin staining, which structure appears pink?
Anonymous Quiz
20%
A) Nucleus
67%
B) Cytoplasm
10%
C) Collagen fibers
3%
D) Lipids
👍2
Q5: PAS (Periodic Acid-Schiff) stain is used to detect?
Anonymous Quiz
16%
A) Proteins
56%
B) Glycogen
17%
C) DNA
11%
D) Lipids
👍2
Q6: Which chemical is commonly used for tissue dehydration?
Anonymous Quiz
19%
A) Formalin
35%
B) Xylene
33%
C) Ethanol
12%
D) Acetone
👍3
Q7: What is the main purpose of paraffin embedding?
Anonymous Quiz
49%
A) To harden the tissue
28%
B) To dehydrate the tissue
14%
C) To enhance staining
9%
D) None of the above
❤2👍1👎1
Q8: What is the purpose of a microtome?
Anonymous Quiz
7%
A) To stain tissues
85%
B) To cut thin tissue sections
5%
C) To fix the tissue
3%
D) To detect bacteria
👍2
Q9: What is apoptosis?
Anonymous Quiz
15%
A) Inflammation
65%
B) Controlled cell death
15%
C) Cancerous growth
6%
D) Bacterial infection
❤1👍1
Q10: What is the main difference between necrosis and apoptosis?
Anonymous Quiz
65%
A) In necrosis, the cell explodes, while apoptosis is controlled
16%
B) Apoptosis causes inflammation
7%
C) Necrosis is a genetic process
13%
D) Both are the same
👍1
Q11: Koilocytosis is a marker for which viral infection?
Anonymous Quiz
15%
A) HIV
43%
B) HPV
22%
C) Hepatitis
20%
D) Rabies
👍3
Q12: Ziehl-Neelsen stain is used to detect which bacteria?
Anonymous Quiz
7%
A) Staphylococcus
83%
B) Mycobacterium tuberculosis
8%
C) E. coli
2%
D) Clostridium
👍2
Q13: Congo red stain is used to diagnose which disease?
Anonymous Quiz
19%
A) Tuberculosis
30%
B) Alzheimer’s
43%
C) Amyloidosis
7%
D) Malaria
👍2
Q14: In immunohistochemistry, which marker is used for cancer detection?
Anonymous Quiz
42%
A) Ki-67
34%
B) PAS
12%
C) Eosin
13%
D) Silver stain
❤1👍1