Sperm cells get energy to power their movement from ________, which is contributed by the ________.
A. sucrose; bulbourethral gland
B. semen; seminiferous gland
C. fructose; seminal vesicles
D. seminogelin; prostate
E. prostaglandins; prostate
Answer: C
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What percentage of ventricular filling is normally accomplished before atrial contraction begins?
a. 0% b. 20% c. 80% d. 50% e. 100%
The phrenic nerve arises from the _________ plexus and innervates the _______.
A) sacral, lower limbs B) cervical, diaphragm C) lumbar, abdominal wall D) brachial, upper extremities
Name the type of cell that assists the discharge of merocrine secretions, and list the glands in which such cells are present
A) arrector pili cell; apocrine and eccrine sweat glands B) arrector pili cell; apocrine and eccrine sweat glands, mammary glands, lacrimal glands, and salivary glands C) myoepithelial cell; apocrine and eccrine sweat glands D) myoepithelial cell; apocrine and eccrine sweat glands, mammary glands, lacrimal glands, and salivary glands E) goblet cell; apocrine and eccrine sweat glands
What does structure "B" represent?
A. frontal bone B. occipital bone C. parietal bone D. sphenoid bone E. temporal bone