Which of the following does not contribute to the stability of the hip joint?
A. The shape of the acetabulum
B. The iliofemoral ligament
C. The round ligament (ligamentum teres)
D. The pubofemoral ligament
E. Ischiofemoral ligament
C. The round ligament (ligamentum teres)
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Structure F is the
A) sphenoid bone. B) zygomatic process. C) temporal bone. D) zygomatic bone. E) middle concha.
Parkinson's disease affects the cerebral basal ganglia, resulting in tremors in limbs, slowness in beginning and completing movements, and other abnormalities of muscle control. The specific population of neurons involved degenerates and thus fails to produce the neurotransmitter dopamine. An obvious treatment option to try is to administer dopamine, yet this is completely ineffective at
alleviating the symptoms. Propose a reason why this treatment fails, and a related alternative to address the dopamine deficit. (Hint: Think about how the brain protects itself from chemicals in the blood.) What will be an ideal response?
What is the primary form in which CO2 is transported in the blood?
a. physically dissolved b. bound to hemoglobin c. bound to plasma protein d. as bicarbonate e. as carbonic anhydrase
Helper T (TH) cells recognize antigens when they are bound to a(n) ________
A) hapten B) natural killer cell C) major histocompatibility complex (MHC) protein D) immunoglobulin E) basophil