What are the attachments of the gastrocnemius?
a. Posterior tibia and fibula to the calcaneus via the calcaneal tendon
b. Proximal lateral fibula to the medial foot
c. Medial and lateral femoral condyles to the calcaneus via the calcaneal tendon
d. Distal posterolateral femur to the calcaneus
Ans: c. Medial and lateral femoral condyles to the calcaneus via the calcaneal tendon
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The ribs articulate with the
A) cervical vertebrae. B) thoracic vertebrae. C) lumbar vertebrae. D) sacrum. E) hyoid bone.
Why do elbows face dorsally while knees face ventrally?
A. During development, the upper limbs rotate medially about 90 degrees and the lower limbs rotate laterally about 90 degrees. B. During development, the upper limbs rotate laterally about 90 degrees while the lower limbs rotate medially about 90 degrees. C. The upper limbs rotate laterally about 180 degrees and the lower limbs rotate medially about 180 degrees. D. The upper limbs rotate medially about 180 degrees and the lower limbs rotate laterally about 180 degrees. E. Both limb buds flatten and turn at about day 38.
All of the following are common properties among skeletal, cardiac, and smooth muscle except;
A. they all exhibit the quality of excitability B. they all look the same because actin and myosin always have the same microscopic organization C. they all have the qualities of elasticity, extensibility, and contractibility D. they all being the process of contracting when actin is pulled by myosin
Where is the inferior nasal concha?
a) A b) B c) C d) D e) E