Which lymphatic organs have a cortex and medulla?
A. Thymus and spleen
B. Thymus and lymph nodes
C. Lymph nodes and spleen
D. Red bone marrow and lymph nodes
Answer: B
Anatomy & Physiology
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The term refers to the entire lower area of the abdomen.
Anatomy & Physiology
After a steroid hormone binds to its receptor to form an active complex,
A) adenyl cyclase is activated. B) cyclic nucleotides are formed. C) G proteins are phosphylated. D) gene transcription is initiated. E) protein kinases are activated.
Anatomy & Physiology
In the crossed-extension reflex, if the right leg flexes, then the left leg:
A) extends. B) flexes. C) abducts. D) adducts.
Anatomy & Physiology
The main factor affecting depth of focus is ________.
A. the size of the lens B. the size of the pupil C. the shape of the lens D. accommodation E. convergence
Anatomy & Physiology