Cedric slipped and cut his finger. The cut bled, but did not penetrate to the subcutaneous layer. The deepest layer penetrated was the ________.
A. stratum corneum
B. stratum basale
C. papillary layer of the dermis
D. stratum spinosum
E. stratum granulosum
Answer: C
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The dark staining area of a sarcomere is the
A) I band. B) Z line. C) H band. D) A band. E) M line.
Parasympathetic innervation to the heart
a. involves the vagus nerve b. decreases the rate at which the pacemaker potential reaches threshold c. decreases the strength of ventricular contraction d. is characterized by all of the above e. is characterized by only a and b
The shaft of a long bone is called the ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following cell types is formed at the end of the first meiotic division?
A. spermatid B. spermatogonia C. primary spermatocyte D. secondary spermatocyte E. spermatozoa