Which accessory gland produces trace amounts of a fluid that lubricate the end of the penis to make intercourse easier, and neutralizes the pH of the male urethra?
A. Bulbourethral
B. Seminal vesicle
C. Prostate
D. Glans penis
Answer: A
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How is blood unique among connective tissues?
What will be an ideal response?
Nerve fibers scattered throughout the dermis are associated with
A) hair, melanocytes, and pores. B) bone, tendons, and muscles. C) muscles, glands, and sensory receptors. D) fingernails and toenails.
Which type of tissue conducts electrochemical impulses via cells called neurons?
A) epithelial tissue B) muscle tissue C) nervous tissue D) connective tissue E) dense tissue
Place these steps of muscle contraction in the correct order. 1. Action potential is generated along the sarcolemma 2. Nerve impulse arrives at synapse 3. Calcium is released into muscle cell cytoplasm 4. Acetylcholine is produced 5. Actin and myosin molecules continuously cross-link, with actin molecules being pulled inward
A) 2, 3, 4, 1, 5 B) 4, 2, 1, 5, 3 C) 1, 2, 4, 3, 5 D) 2, 4, 1, 3, 5 E) 1, 2, 4, 5, 3