How long is the secondary oocyte viable and capable of being fertilized after it is ovulated?
A) 36-72 hours
B) a full week
C) 12-24 hours
D) 24-36 hours
C
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Pacemaker activity that establishes the rhythmicity of breathing resides in the
a. lung tissue. b. respiratory muscles. c. Pre-Botzinger complex d. phrenic nerve. e. reciprocal relationship between the inspiratory and expiratory neurons of the ventral respiratory group.
Sympathetic stimulation of the kidney can do all of the following, EXCEPT:
A) constrict both the afferent and efferent arterioles. B) increase renin secretion. C) increase blood concentration of angiotensin-II (A-II). D) lower blood volume and blood pressure.
Which of the following symptoms is common following damage to the cerebellum?
A. flaccid paralysis B. violent, uncontrolled body movements called chorea C. intention tremors D. resting tremors E. spastic paralysis
Which of the following forces does not help lymph to flow?
A) Rhythmic contractions of lymphatic vessels B) The thoracic pump C) Arterial pulsations squeezing lymphatic vessels D) The lymphatic node pump E) The skeletal muscle pump