PHYSIOLOGY 1 EXAMINATION TEST 2026 ALL
LAB SESSIONS QUESTIONS WITH ANSWERS
VERIFIED
◉ Which is an example of a normally occurring positive-feedback
mechanism?
Select one:
a. elevated blood pressure during exercise
b. increase in heart rate after blood loss
c. decrease in blood pressure after blood loss
d. stretching of the uterus near the end of pregnancy. Answer: d.
stretching of the uterus near the end of pregnancy
◉ Which of the following processes generates the most ATP within a
human cell?
Select one:
a. glycolysis
b. lactic acid fermentation
c. oxidative phosphorylation
,d. citric acid cycle. Answer: c. oxidative phosphorylation
◉ During DNA replication, how does each template strand
eventually become two identical DNA molecules?
Select one:
a. The two strands form continuously, catalyzed by DNA polymerase.
b. The two strands form continuously, catalyzed by DNA ligase.
c. One strand forms continuously, the other forms in short segments
spliced by DNA polymerase.
d. One strand forms continuously, the other forms in short segments
spliced by DNA ligase.. Answer: d. One strand forms continuously,
the other forms in short segments spliced by DNA ligase. There is a
leading strand and a lagging strand; they don't both form
continuously.
◉ Which is the most superficial layer of skin that is composed
primarily of living cells?
Select one:
a. stratum corneum
b. stratum lucidum
c. stratum basale spinosum.
d. stratum spinosum. Answer: .
,d. stratum spinosum (stratum basale layer is below the stratum
spinosum)
◉ Which of the following is the definition of a third degree burn?
Select one:
a. a burn that covers at least 25% of the skin
b. a burn that has destroyed the dermis and epidermis
c. a burn that can only be caused by fire
d. a burn that does not leave scars. Answer: a burn that has
destroyed the dermis and epidermis. How much skin the burn
covers does not definite which degree of burn it is.
◉ Which of the following types of openings in the skeletal system
does a "sinus" describe?
Select one:
a. cavity
b. cleft
c. hole
d. tunnel. Answer: a. cavity: a sinus is an air space within bone.
, ◉ Which of the following components of the bone matrix, when
removed, allows the bone to be easily shattered?
Select one:
a. cartilage
b. collagen
c. hydroxyapatite
d. mineral. Answer: b. Collagen is a component of the bone matrix
that gives it flexible strength so it is less brittle.
◉ Which of the following is the most widely distributed type of
muscle in the body?
Select one:
a. cardiac
b. postural
c. skeletal
d. smooth. Answer: d. smooth
◉ Which sentence best describes the sliding filament model of
muscle contraction?
Select one: