Anatomy MCQs Past Papers | First Online Test of B48 First Year | mosaicbro.com
Anatomy MCQs Past Papers | First Online Test of B48 First Year
This is part of Chandka Medical College 1st Year Question Bank Past Paper Series Anatomy.
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Review Answers:
15
Which one is the normal site of implantation?
Correct Answer:A
Explanation:
Normal implantation occurs in the uterine body (usually posterior wall). Ectopic implantation (e.g., fallopian tube, ovary) occurs in 1-2% of pregnancies and is life-threatening.
16
During recovery from a gunshot wound of the right pelvis, the patient notices a lurch in his gait. When he lifts his left foot off of the ground, his pelvis dips down on the left side. The nerve that appears to have been injured is the?
Correct Answer:D
Explanation:
A positive Trendelenburg sign (pelvis drops on unsupported side) indicates weakness of gluteus medius/minimus, innervated by the superior gluteal nerve (L4-S1). This stabilizes the pelvis during walking.
17
The profunda femoris artery is the principal blood source for the muscle in which one of the following compartments of the thigh?
Correct Answer:D
Explanation:
The profunda femoris supplies the posterior compartment (via perforating arteries) and medial compartment (via medial circumflex). The anterior compartment is mainly supplied by the femoral artery.
18
Fibroblast are concerned with
Correct Answer:C
Explanation:
Fibroblasts synthesize collagen, elastin, and ground substance (proteoglycans, glycoproteins). They are key in wound healing and can differentiate into myofibroblasts for contraction.
19
Which one of the following arteries is a content of adductor (subsartorial) canal?
Correct Answer:B
Explanation:
The adductor canal contains the femoral artery/vein, saphenous nerve, and nerve to vastus medialis. The femoral artery becomes the popliteal artery after passing through the adductor hiatus.
20
Intraembryonic coelom is the cavity formed within?
Correct Answer:B
Explanation:
The intraembryonic coelom forms within the lateral plate mesoderm, eventually giving rise to the pericardial, pleural, and peritoneal cavities. The extraembryonic coelom is outside the embryo.
21
Intermediate mesoderm gives rise to which of the following organ?
Correct Answer:B
Explanation:
Intermediate mesoderm forms the urogenital system (kidneys, gonads, ducts). Paraxial mesoderm forms somites (vertebrae, muscles), and lateral plate mesoderm forms body wall and gut-associated structures.