The clonal selection theory explains why the capacity for diverse lymphocyte production is limited

Indicate whether the statement is true or false


F

Anatomy & Physiology

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If someone had a cut in their skin through which a bacterium entered, but that bacterium was then destroyed by a neutrophil, this would be an example of

A.  failed external  adaptive immunity, but successful innate immunity. B.  failed innate immunity, but successful adaptive immunity. C.  failed external innate immunity, but successful internal innate immunity. D.  failed external immunity, but successful internal acquired immunity.

Anatomy & Physiology

Which of the following is not true about the anatomy of the urinary system?

A. The kidneys are retroperitoneal. B. The ureters connect the kidneys to the urinary bladder. C. The urethra of males is longer than the urethra of females. D. The kidneys are at equal heights within the pelvic cavity. E. The right kidney is located more inferiorly than the left kidney.

Anatomy & Physiology

Touch receptors of the skin are located in all of these areas, except:

A. in the dermis B. within the hair of the dermis and epidermis C. in the epidermis D. in the dermal papillae E. around the base of the hair follicle

Anatomy & Physiology

The main function of serous fluid is to

A.  lubricate and reduce friction between pleural membranes  around the lung. B.  improve adhesion of the lungs to the thoracic wall. C.  facilitate the diffusion of oxygen across the respiratory membrane.

Anatomy & Physiology