The gastroesophageal sphincter is normally closed to prevent
a. air from entering the esophagus during.
b. gastric contents from refluxing into the esophagus.
c. vomiting.
d. esophageal leaking into the stomach.
e. food from entering the pharynx.
B
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The absence or inhibition of acetylcholinesterase at a synapse would lead to __________.
A. flaccid paralysis B. continued muscle contraction C. atrophy D. numbness E. muscle wasting
A/an ____________________ suture pierces through the uterus before its ligation and removal during a spay surgery
Fill in the blank(s) with correct word
A bird hits the windshield of your car, and you reflexively duck and close your eyes. Which of the following is responsible for this action?
A. Medulla B. Superior colliculi C. Thalamus D. Cerebellum E. Reticular formation
If abnormal development occurs in the myelencephalon, which of the following structures may be affected?
A. Thalamus B. Medulla oblongata C. Fourth ventricle D. Both "Fourth ventricle" and "Medulla oblongata" are correct.