The intermediate radioulnar joint exists between the radius and the ulna. The two bones are joined together by a high-collagen sheet of dense connective tissue. This joint allows slight movements and flexibility between the two bones. What specific type of joint is this?
A. A fibrous syndesmotic joint
B. A synovial plane joint
C. A cartilaginous symphysis joint
D. A cartilaginous synchondrosis joint
Answer: A
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Which of the following statements is TRUE with regard to the human hand?
a) There are 5 carpals, 8 metacarpals and 14 phalanges. b) There are 8 carpals, 6 metacarpals and 14 phalanges c) There are 8 carpals, 5 metacarpals and 15 phalanges d) There are 8 carpals, 5 metacarpals and 14 phalanges e) There are 5 carpals, 8 metacarpals and 14 phalanges
Invertebrates have organs called __________ that detect the orientation of their bodies with respect to gravity
Fill in the blank with the correct word.
A postsynaptic neuron has three presynaptic inputs-from neurons X, Y, and Z. Stimulation of neuron X causes the postsynaptic neuron to depolarize by 0.5 mV. When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by 1 mV. When X and Z are stimulated simultaneously, however, there is no change in the membrane potential of the postsynaptic neuron. What is most likely true about presynaptic neurons Y and Z?
A. Z is excitatory and Y is inhibitory. B. They are both inhibitory. C. They are both excitatory. D. Y is excitatory and Z is inhibitory.
Match the vessel with the appropriate description.A. Supplies blood to the pelvic areaB. Formed by the bifurcation of the abdominal aortaC. The continuation of the femoral arteryD. Extends from the common iliac artery to the thighE. Continuation of the external iliac artery into the thighPopliteal artery
Fill in the blank(s) with the appropriate word(s).