Which of the following is incorrect pertaining to lymphatic drainage of the upper limb?
A) The apical axillary lymph nodes receive lymph from all the other axillary groups.
B) The axillary nodes may be enlarged in breast cancer.
C) The left humeral (lateral) axillary nodes receive lymph from both upper limbs.
D) Metastatic spread to the axillary nodes may require excision of part of the axillary vein.
E) Removal of the axillary nodes may result in lymphedema of the upper limb.
Ans: C
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Twenty rivets are used to fasten two steel plates together. The plates are 3.7 m long, and the rivets are equally spaced, with a rivet at each end. Find the distance between the rivets. Round to the nearest tenth of a centimeter.
A) 194.7 cm B) 1.9 cm C) 18.5 cm D) 1.9 cm E) 19.5 cm
Tinea pedis, which is a fungal infection of the foot, is also referred to as athlete's foot.?
Indicate whether the statement is true or false
Which of the following statements about schizophrenia is true?
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Research suggests that stress among college students affects academic performance because
A) prolonged inhibition of glucocorticoids impairs problem-solving. B) chronically elevated levels of stress hormones and neurotransmitters impair memory. C) chronic release of cortisol depresses activity of the amygdala. D) structural degeneration of brain tissue inhibits emotional responses.