Which of the following structures is not part of the nephron?
A. Distal convoluted tubule
B. Glomerulus
C. Loop of Henle
D. Collecting duct
Answer: D. Collecting duct
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The calcaneal tendon is easily palpated along the posteroinferior leg.
Answer the following statement true (T) or false (F)
The following steps occur in rods when they are excited by photons of light. What is the proper sequence for these steps? 1. Membrane sodium channels close. 2. Increased phosphodiesterase breaks down cGMP. 3. Retinal changes from the 11-cis form to the 11-trans form. 4. The membrane hyperpolarizes and the rate of neurotransmitter release declines. 5. Opsin activates transducin. 6. Opsin
activation occurs. A) 1, 6, 5, 2, 4, 3 B) 3, 6, 5, 2, 1, 4 C) 6, 3, 5, 2, 1, 4 D) 3, 6, 5, 1, 2, 4 E) 1, 3, 4, 5, 6, 2
Which are characteristic of leukocytes?
a: Smaller than erythrocytes b: Have a nucleus c: Have no hemoglobin d: More numerous than erythrocytes e: Depending on type, may or may not contain granules A. a, b, c, d B. b, c, e C. b, c, d, e D. a, b, c, d, e E. a, b, e
The ________ can be easily palpated between the clavicles
A) costal groove B) body of the sternum C) costal cartilage D) xiphoid process E) suprasternal notch