The incisive foramen and palatine process are features of which bone?
A. Palatine bone
B. Vomer
C. Maxilla
D. Temporal bone
E. Mandible
Answer: C
You might also like to view...
The ________ does not belong to the femur.
A. anterior border B. lesser trochanter C. greater trochanter D. medial condyle E. fovea capitis
Muscles that act on the __________ cause movement at the hip, knee, and foot joints.
A. upper limb B. trunk C. lower limb
What would result from a lack of extracellular Ca2+ at the neuromuscular junction?
A. Synaptic vesicles would fail to fuse and ACh would not be released. B. The neuron must use its intracellular Ca2+ to make the vesicles fuse. C. Potassium ions are used in place of Ca2+ to ensure the vesicles fuse. D. Nothing would happen because extracellular Ca2+ does not play a role in muscle stimulation. E. Excessive synaptic vesicles would fuse and release too much ACh, overstimulating the myofiber.
The muscles of the back contract to straighten so that you sit at a more erect posture and subsequently the muscles are suddenly stretched as you nod off. Which of the following best represents the sequence of events when you start to nod off?
(1) muscles of the back are stretched (2) the muscle spindle is stretched (3) action potentials in sensory neurons of the muscle spindles increase (4) action potentials in alpha motor neurons of skeletal muscle fibers increase (5) skeletal muscle of the back contract A. 1, 2, 3, 4, 5 B. 1, 5, 2, 3, 4 C. 1, 5, 3, 2, 4 D. 5, 2, 3, 4, 1 E. 4, 5, 3, 2, 1