In humoral immunity, B cells clone themselves in the germinal centers of the lymphatic nodules to become what two types of cells?
A. Natural killer cells and memory cells
B. Natural killer cells and helper cells
C. Helper cells and plasma cells
D. Plasma cells and memory cells
Answer: D
Anatomy & Physiology
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Visceral motor neuron nuclei are located in which part of the brain?
A) midbrain B) primary motor cortex C) hypothalamus D) thalamus E) cerebellum
Anatomy & Physiology
Muscles that protract the scapula would be ________ thoracic muscles
A. anterior B. posterior
Anatomy & Physiology
Stroke volume is directly proportional to ________.
A. total peripheral resistance B. contractility C. preload D. Both preload and contractility are correct.
Anatomy & Physiology
Preganglionic axons of the ANS release
A. norepinephrine. B. acetylcholine. C. either acetylcholine or norepinephrine.
Anatomy & Physiology