What are the serous membranes that suspend the stomach and intestines from the abdominal wall called?
A. Mesenteries
B. Mucosae
C. Submucosae
D. Muscularis mucosae
E. Muscularis externa
A. Mesenteries
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The proximal convoluted tubule is lined with a
A. cuboidal epithelium with a large surface area. B. simple squamous endothelium that makes a slick surface. C. simple columnar epithelium with a slick smooth surface. D. stratified squamous epithelium with a tough, durable surface. E. stratified squamous epithelium with a large surface area.
Which of the following does not happen during ventricular systole?
A. The conduction system carries the electrical impulses from the AV node to the Purkinje fibers, the ventricles depolarize and contract together. B. Contraction of the ventricles decreases the volume and increases the pressure inside the ventricles. C. Papillary muscles contract, pulling on the tendinous chords to ensure that the AV valves stay closed and do not swing open towards the atria. D. All of these happen during ventricular systole.
Electrical synapses are more common than chemical synapses in the human nervous system
a. True b. False Indicate whether the statement is true or false
What type of salivary reflex would be triggered by a pavlovian stimuli?
a. simple b. conditioned c. unconditioned d. two of these.