What is the function of the ductus deferens?
A) stores sperm and transports sperm to the ejaculatory duct
B) produces sperm and secretes testosterone
C) secretes the majority of semen
D) produces alkaline, mucus secretions
E) carry fluid from the seminal gland and ampulla to the urethra
Answer: A
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When the pH of an acidic solution is brought to 7.0, that change is called __________
Fill in the blank with correct word.
Filtration slits:
a. provide a pathway through which fluid from the glomerulus can enter the Bowman's capsule.. b. allow proteins to pass into the filtrate c. are not found in all nephrons d. do not allow nutrients to pass into the filtrate e. are important in the ability of the kidneys to produce urine of varying concentration.
The following are major steps in the process of intramembranous ossification
1. Clusters of osteoblasts form osteoid that becomes mineralized. 2. Osteoblasts differentiate within mesenchymal connective tissue. 3. Spicules of bone radiate out from the ossification centers. 4. Mesenchymal cells aggregate. What is the correct order for these events? A) 4, 1, 2, 3 B) 2, 1, 3, 4 C) 4, 2, 1, 3 D) 2, 3, 1, 4
Which gland produces prolactin?
A) Hypothalamus B) Thyroid gland C) Pituitary gland D) Pineal gland