What is the active hormone in target tissues of testosterone such as the penis?
A. Testosterone
B. Dihydrotestosterone
C. ICSH
D. FSH
Answer: B
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In all living cells hydrostatic and osmotic pressures exist. Define these pressures and explain how they are used in the concept of tonicity of the cell
What will be an ideal response
Answer the following statements true (T) or false (F)
1. Brown fat is frequently deposited between the shoulder blades of infants. 2. Achilles was wounded by damage to the tendon connecting his calf muscles to his heel. This and all tendons are composed mainly of dense irregular connective tissue. 3. Macrophages are found in areolar and lymphatic tissues. 4. Goblet cells are found with pseudostratified ciliated columnar epithelium. 5. Epithelial tissues always exhibit polarity; that is, they have a free surface and a basal surface.
The refractory period of cardiac muscle
a. lasts almost as long as the contraction period. b. is much longer than the refractory period in skeletal muscle. c. allows tetanic contraction of the heart to occur to ensure smooth, coordinated ejection of blood from the ventricles. d. both (a) and (b) above. e. all of these answers.
The suture that forms the articulation of the parietal bones with the frontal bone is the ________ suture
A) lambdoid B) calvarial C) coronal D) squamous E) sagittal