REVIEW EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST ALREADY
GRADED A+ 2025 - 2026
The process of keratinization involves - ANSWERS-cells accumulating a tough
fibrous protein that helps protect the skin.
Characteristics of thick skin include: - ANSWERS-Found in the palms, soles of
the feet and fingertips, Does not contain hair follicles, Contains more sweat
glands than thin skin, Contain epidermal ridges. **e) All of these choices are
correct
This is fine nonpigmented hair that covers the body of the fetus. - ANSWERS-
Lanugo
This type of exocrine gland is a simple, branched acinar gland connected to a
hair follicle. - ANSWERS-Sebaceous gland
,Which of the following terms refers to redness of the skin such as seen in
patients with inflammation, infection or heat exposure? - ANSWERS-
erythema
Which of the following skin disorders involves inflammation of sebaceous
glands caused by bacteria which thrive in the lipid-rich sebum? - ANSWERS-
acne
"Goose bumps" are caused by - ANSWERS-contraction of arrector pili
muscles.
Which of the following is a common characteristic of thin skin? - ANSWERS-
Presence of sebaceous glands.
Which of the following membrane-enclosed organelles modifies, sorts, and
packages proteins destined for other regions of the cell? - ANSWERS-Golgi
complex
The major function of mitochondria is to - ANSWERS-generate ATP.
This structure binds to an amino acid and holds it in place on a ribosome until
it is incorporated into a polypeptide chain during translation. - ANSWERS-
tRNA
During this phase of cell division, the centromeres split leading to separation
and subsequent migration of the two members of a chromatid pair to
opposite poles of the cells. The cleavage furrow also begins to develop during
this phase. - ANSWERS-interphase
,Which of the following does NOT influence the rate of diffusion of a chemical
across a plasma membrane? a) concentration gradient of the chemical across
the membrane
b) mass of the diffusing chemical
c) distance that the chemical has to diffuse
d) amount of ATP available
e) temperature - ANSWERS-amount of ATP available
A patient would be infused with a _______ solution in order to ultimately
relieve excess interstitial fluid in the brain. - ANSWERS-hypertonic
What other organelle besides the nucleus contain DNA? - ANSWERS-
mitochondrion
Which of the following membrane-enclosed organelles contains several
oxidases that are involved in oxidation of fatty acids and amino acids during
normal metabolism and in detoxification of chemicals like alcohol in the
liver? - ANSWERS-peroxisomes
During this phase of cell division, organelles duplicate and centrosome
replication begins - ANSWERS-interphase
Mitosis is: - ANSWERS-produces two identical cells
Phagocytosis is the mechanism of action of this cell of the immune system to
protect from microbes: - ANSWERS-Macrophages
, The three types of subatomic particles that are important for understanding
chemical reactions in the human body are - ANSWERS-protons, neutrons, and
electrons.
This is the name given to a positively charged atom. - ANSWERS-cation
This type of chemical reaction will release more energy than it absorbs. -
ANSWERS-exergonic
An enzyme acts to - ANSWERS-lower the activation energy needed to start
the reaction.
The human blood is - ANSWERS-alkaline.
Which of the following is a polysaccharide that serves as a storage form of
energy in muscle and liver cells? - ANSWERS-glycogen
Which of the following is the major function of DNA? - ANSWERS-long-term
storage of information for protein synthesis
Loss of protein structure as in fried eggs is called: - ANSWERS-denaturation.
Na + Cl → Nacl is a general example of a(n) _____ reaction. - ANSWERS-
synthesis
The basic units of nucleic acids are nucleotides, composed of - ANSWERS-
nitrogenous base, phosphate, pentose sugar