871. The primary germ layer endoderm is derived from_____________?
A. Embryonal disc
B. Yolk sac
C. Amniotic cavity
D. Palacenta
✅ The correct answer is option B. Yolk sac.
Medical
Prepare effectively with the latest Medical MCQs with answers and explanations for exams, interviews, and job tests. Our collection covers anatomy, physiology, biochemistry, pharmacology, pathology, microbiology, forensic medicine, community medicine, and clinical skills. These Medical multiple-choice questions are designed for students, medical aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, medical entrance exams, and recruitment assessments. Strengthen your medical knowledge, improve problem-solving skills, and score higher with our updated Medical MCQs.
872. One of the earliest symptoms of Vit. A deficiency is________________?
A. Nyctalopia
B. Xerophthalmia
C. Bitot’s spot
D. Keratomalacia
✅ The correct answer is option A. Nyctalopia.
873. Dental lamina is active up to_______________?
A. 1 year
B. 2 years
C. 3 years
D. 4 years
✅ The correct answer is option D. 4 years.
874. Amount of glucose absorbed in proximal convoluted tubule_______________?
A. 100%
B. 0%
C. 60%
D. 50%
✅ The correct answer is option A. 100%.
875. Absorption of mercury in the human body occurs least from_____________?
A. Lungs
B. Gastro-intestinal Track
C. Skin
D. Kidneys
✅ The correct answer is option D. Kidneys.
876. The action of styloglossus muscle is______________?
A. Protrusion of tongue
B. Posteriorly retracts the tongue
C. Depression of tongue
D. Elevation of tongue
✅ The correct answer is option B. Posteriorly retracts the tongue.
877. Vonebilers glands open into which papilla_____________?
A. Foliate
B. Filiform
C. Circumvallate
D. Fungiform
✅ The correct answer is option C. Circumvallate.
878. Secondary response is mediated by_______________?
A. IgG
B. IgA
C. IgM
D. IgE
✅ The correct answer is option IgG.
879. The viral action is differentiated from bacterial action by_________________?
A. Interferon production
B. Toxin production
C. Lymphocytes production
D. Neutrophils production
✅ The correct answer is option Interferon production.
880. Phagocytosis enhanced by coating the surface of antigen is called______________?
A. Opsonisation
B. Chemotaxis
C. De coding
D. CFT
✅ The correct answer is option Opsonisation.