Which of the following hormones opposes the action of parathyroid hormone?
a) Thyroid-stimulating hormone
b) Testosterone
c) Insulin
d) Calcitonin
e) Calcitriol
d
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The layer of epidermis where keratohyalin crosslinks keratin fibers is the
A) stratum spinosum. B) stratum corneum. C) stratum granulosum. D) stratum lucidum. E) stratum basale.
An enzyme that sperm secretes that is important for egg penetration is
A) acetylcholinesterase B) peptidase C) collagenase D) hyaluronidase
Which of the following is incorrect pertaining to the perineal body?
A) Stretching or tearing during parturition is associated with prolapse of pelvic viscera. B) It is an attachment site for the external anal sphincter. C) It is an attachment site for both the superficial and deep transverse perineal muscles. D) It lies anterior to the vestibule in females. E) It blends anteriorly with the perineal membrane.
Kassie is allergic to bee stings. During a play date at the park, she gets stung and goes into anaphylactic shock while she's playing with her friends. Which of the following occurs during anaphylaxis?
A. High blood pressure B. Heart failure C. Widespread vasoconstriction D. Turning off of mast cells and basophils