Exam Prep 2025 Latest 325 Questions and
Correct Answers/ BIOL 252 A & P Midterm
Exam Prep 2025-2026 Questions and Answers
(Mastering Biology)
Glands that release sweat into hair follicles are called __________.
a.)mammary glands
b.)apocrine sweat glands
c.)sebaceous glands
d.)eccrine sweat glands - ANSWER-b.)apocrine sweat glands
Sebum is a(n) __________.
a.)ear wax that lubricates the tympanic membrane
b.)water-based secretion that cools the body
c.)modified type of sweat
d.)oily mixture that lubricates skin and hair - ANSWER-d.)oily mixture that
lubricates skin and hair
Which of the following will most likely cause a greasier scalp and dandruff?
a.)increased testosterone
b.)increased cerumen production
pg. 1
,c.)increased melanin production
d.)increased lanugo - ANSWER-a.)increased testosterone
Why are eyelashes shorter than terminal hairs on the scalp?
a.)The vascular supply of the eyebrow follicle is much less than that of the hair
follicle on the scalp
b.)Hormones in the eyebrow follicle turn off growth after it has reached a
predetermined length
c.)The growth stage of an eyelash is shorter
d.)Eyelashes grow slower than terminal hairs. - ANSWER-c.)The growth stage of
an eyelash is shorter
Eccrine glands produce:
a.)cerumen
b.)sweat containing mostly water
c.)sebum
d.hormones. - ANSWER-b.)sweat containing mostly water
Which of the following hormones is currently thought to decrease plasma calcium
levels in pregnant women and children?
a.)thyroid hormones
b.)parathyroid hormone (PTH)
c.)calcitonin
d.)calcitriol - ANSWER-c.)calcitonin
pg. 2
,PTH promotes the formation of which hormone?
a.)vitamin D
b.)thyroid hormones
c.)calcitriol
d.)calcitonin - ANSWER-c.)calcitriol
Which of the following would NOT be a way that parathyroid hormone (PTH)
could alter plasma calcium levels? (Which one of the following is FALSE?)
a.)increase reabsorption of calcium in the kidney
b.)stimulates increased osteoclast activity
c.)stimulates increased osteoblast activity - ANSWER-c.)stimulates increased
osteoblast activity
Which hormone works directly in the intestine to increase plasma calcium levels?
a.)parathyroid hormone (PTH)
b.)calcitriol
c.)calcitonin - ANSWER-b.)calcitriol
Which of the following is NOT one of the functions of the skeletal system?
a.)support
b.)vitamin storage and fluid homeostasis
pg. 3
, c.)blood cell formation
d.)fat storage - ANSWER-b.)vitamin storage and fluid homeostasis
Bones located within tendons, such as the patella, are called __________.
a.)irregular bones
b.)short bones
c.)flat bones
d.)sesamoid bones - ANSWER-d.)sesamoid bones
What is the function of red bone marrow?
a.)Mineral storage
b.)Fat storage
c.)Hematopoiesis
d.)Acid-base homeostasis - ANSWER-c.)Hematopoiesis
which type of tissue makes up the outermost cutaneous membrane of your body?
a.) nonkeratinized stratified squamous epithelium
b.)keratinized stratified squamous epithelium
c.)simple squamous epithelium
d.)pseudostratified ciliated columnar epithelium - ANSWER-b.)keratinized
stratified squamous epithelium
Why is vitamin D necessary?
pg. 4