Body heat is lost primarily by
A) convection. B) conduction. C) evaporation. D) radiation.
D
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The blood supply to the skin arises from a network of blood vessels called the ________ plexus in the hypodermis, at its border with the reticular layer of the dermis.
A) cervical B) mesenteric C) brachial D) celiac E) cutaneous
The removal of the gallbladder will affect:
A) bile storage. B) motility of the stomach. C) bile production. D) carbohydrate digestion.
What structures extend into the axon and dendrite of a neuron to provide tensile strength?
A. Motor filaments B. Telodendria C. Neurofibrils D. Nissl bodies E. Collateral fibers
Which of the following is not true regarding sickle-cell disease?
A. It is a cause of anemia. B. It is advantageous in that it can protect carriers against malaria. C. It is caused by a recessive allele that modifies the structure of hemoglobin. D. It is a cause of malaria. E. It is due to a hereditary hemoglobin defect.