Triceps brachii and biceps brachii perform opposing actions and are classified as:
A) antagonists. B) agonists. C) synergists. D) prime movers.
Answer: A
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Sweating is initiated in response to a rise in body temperature that occurs on exposure to a hot environment. Evaporation of the sweat cools the body. This is an example of
a. negative feedback. b. positive feedback. c. a feedforward mechanism. d. an intrinsic (local) control mechanism. e. autoregulation.
List the structures that a drop of urine will pass through as it leaves the renal papilla: 1. Urethra 2. Ureter 3. Renal pelvis 4. Urinary bladder 5. Minor calyx 6. Major calyx
A) 5, 6, 2, 3, 4, 1 B) 6, 5, 3, 2, 4, 1 C) 6, 5, 2, 3, 4, 1 D) 5, 6, 3, 2, 4, 1
How is heat loss different between conduction and convection?
A) Conduction is the loss of heat by evaporation from the skin and convection is the loss of heat by evaporation from the alveolar surfaces of the lungs. B) Conduction is the loss of heat by evaporation from sweat glands and convection is the loss of heat by evaporation from the skin. C) Conduction involves radiation, whereas convection involves evaporation. D) Conduction involves heat loss as cooler air moves across the surface of the body and convection is the direct transfer of energy through physical contact. E) Conduction is the direct transfer of energy through physical contact and convection involves heat loss as cooler air moves across the surface of the body.