The diagram illustrates accessory structures of the skin. What does "A" represent?
A. Sweat pore
B. Sebaceous gland
C. Duct of eccrine sweat gland
D. Eccrine sweat gland
E. Hair follicle
Answer: A
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Which of the following is incorrect pertaining to the pericardium?
A) It consists of visceral and parietal layers of serous pericardium, and the fibrous pericardium. B) The visceral and parietal layers of the serous pericardium are continuous around the aorta and pulmonary trunk where they exit the heart. C) It is mainly supplied with blood from the pericardiophrenic artery. D) It has pain fibers that are conveyed by the intercostal nerves. E) It encloses the terminal part of the inferior vena cava.
Where do T cells become immunocompetent?
A. Spleen B. Lymph nodes C. Thymus D. Bone marrow E. Yolk sac
The thymus gland secretes hormones called ________ that ________.
A. prostaglandins; control strength B. thymosins; control production and differentiation of white blood cells C. thyroxines; control metabolism D. melatonins; control circadian rhythms
The head of the humerus fits into the ________ of the scapula
A) acromion process B) glenoid cavity C) suprascapula notch D) coracoid process