How would you calculate total magnification?
A) Divide the ocular lens magnification by the objective lens magnification
B) Multiply magnification of the ocular lens times that of the objective lens
C) Add together the ocular and objective magnifications
D) Divide the objective lens magnification by the ocular lens magnification
Answer: B
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A person who has a tidal volume of 400 ml, a respiratory rate of 14 and an anatomic dead space volume of 150 ml will have an alveolar ventilation rate of
a. 3,500 ml/minute. b. 3,920 ml/minute. c. 4,260 ml/minute. d. 5,600 ml/minute. e. 6,240 ml/minute.
________ stimulates milk secretion and maintains milk production by mammary glands.
A. Growth hormone B. Prolactin C. Luteinizing hormone D. Oxytocin E. Follicular-stimulating hormone
Electron transfer reactions are termed oxidation-________ reactions
A) hydrolysis B) neutralization C) reduction D) phosphorylation
Describe the flexor reflex
A) A stretch reflex is an example of a withdrawal reflex that contracts the flexor muscles of a limb in response to a painful stimulus. B) A stretch reflex is a polysynaptic reflex that activates extensor muscles in the opposite leg or arm when a flexor reflex is activated. C) A stretch reflex is a monosynaptic reflex that activates extensor muscles in the opposite leg or arm when a flexor reflex is activated. D) A stretch reflex is a monosynaptic reflex that provides regulation of skeletal muscle length. E) A stretch reflex is a polysynaptic reflex that provides regulation of skeletal muscle length.