What mechanism facilitates the exchange the nutrients, gases, and wastes in a capillary bed?

A) Phagocytosis
B) Junctioning
C) Opsonization
D) Diffusion


Answer: D

Anatomy & Physiology

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Organs of the urinary system that are actively involved with urine transport are the

A) urethra and ureters. B) kidneys and bladder. C) ureters and kidneys. D) urethra and bladder. E) kidneys and urethra.

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Which hormone, produced by the pituitary gland, is responsible for decreased urination?

A) Luteinizing hormone B) Antidiuretic hormone C) Prolactin D) Adrenocorticotropic hormone

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Which structure labeled in the diagram contains the receptors that bind the inhaled chemicals?

a) H b) G c) I d) E e) L

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Select the correct statement about male sexual response

A) Expansion of the penile tissues results in dilation of the venous outflow. B) Erection is the result of vascular spaces in the erectile tissues filling with blood. C) Ejaculation is the result of parasympathetic stimulation. D) Sympathetic impulses are responsible for causing penile arteriolar dilation, resulting in erection.

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