What are troublesome small molecules or incomplete antigens that may mount an attack that is harmful rather than protective called?
A) haptens
B) antibodies
C) pyrogens
D) interferons
A
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Ryan hears a loud noise and quickly turns his eyes sideways in the direction of the sound. To accomplish this action he must use his ________ muscles
A) superior rectus B) lateral rectus C) inferior rectus D) medial rectus E) lateral and medial rectus
How many capillaries are within a human body?
a. between 100 to 250 million b. 750 million c. between 1 to 2.5 billion d. 5 billion e. between 10 to 40 billion
Erection is a vascular phenomenon that involves decreased sympathetic and increased parasympathetic activity to the penile arterioles, resulting in arteriolar vasodilation and filling of the erectile tissue with blood
Indicate whether the statement is true or false
Why is it important for an oncologist to understand lymphatic drainage?
A. Oncologists can use lymphatic drainage to help drain a cancer from an area of the body. B. Lymphomas are the most common cancers in the body. C. Most cancers start in the lymphatic system. D. Cancer cells often metastasize via the lymphatic system.