and Answers 2026 | Comprehensive Review
with Detailed Rationales | Grade A+
• Body heat is lost primarily by. CORRECT ANSWER: radiation
• Bone cells form concentric circles around longitudinal tubes called.
CORRECT ANSWER: central canals
• A body has been sectioned in such a way that there is one whole lung
per section and the urinary bladder has been split in half. What type of
section is this?. CORRECT ANSWER: sagittal
• Which type of tissue lines the follicles of the thyroid glands?.
CORRECT ANSWER: simple cuboidal epithelium
• The anaerobic reactions of cellular respiration take place in the.
CORRECT ANSWER: cytoplasm
• Which action is the main function of the digestive system?. CORRECT
ANSWER: absorption of nutrients
• A cell is surrounded by an extremely thin, flexible membrane. Why is
the membrane selectively permeable?. CORRECT ANSWER: It allows
some substances to pass through and excludes others based on size,
polarity, and other factors.
,• What type of tissue is adipose tissue?. CORRECT ANSWER: connective
tissue
• The human integumentary system includes. CORRECT ANSWER: skin,
nails, hair follicles, and sweat glands
• DNA and RNA differ in that. CORRECT ANSWER: DNA holds genetic
information and RNA uses that information to synthesize protein.
• Maintaining a stable internal environment typically requires.
CORRECT ANSWER: negative feedback mechanism
• Transcription and translation differ in that. CORRECT ANSWER:
transcription produces RNA and translation produces protein.
• Endoplasmic reticulum is best described as a. CORRECT ANSWER:
network of interconnected membranes
• The major blood vessels that supply the skin are in the. CORRECT
ANSWER: dermis
• Matter is composed of elements, which are composed of
__________.. CORRECT ANSWER: atoms
,• For which of the following organelles are the structure and function
correctly described?. CORRECT ANSWER: Endoplasmic reticulum—a
network of interconnected membranes forming sacs and canals that
packages protein molecules for secretion
• Which of the following are cellular fragments?. CORRECT ANSWER:
blood platelets
• Homeostasis exists if concentrations of water, nutrients, and oxygen
in the body are balanced and heat and pressure __________.. CORRECT
ANSWER: remain within certain limited ranges
• An isotonic solution. CORRECT ANSWER: has the same osmotic
pressure as the cells in the solution
• Which of the following characteristics of life and their descriptions is
correct?. CORRECT ANSWER: Circulation—the movement of substances
in body fluids
• Which of the following characteristics is used to name tissue types?.
CORRECT ANSWER: organization of cells
• The isotope most likely to be used to study the thyroid gland is.
CORRECT ANSWER: iodine-131
, • The type of epithelium that lines the urinary bladder and many of the
urinary passageways is. CORRECT ANSWER: transitional
• ATP is important to cellular processes because it. CORRECT ANSWER:
provides energy for cellular work when the terminal, high-energy bond
is broken.
• In phagocytosis. CORRECT ANSWER: a cell membrane engulfs solid
particles.
• Anatomy and physiology are difficult to separate because. CORRECT
ANSWER: physiological functions depend on anatomical structures.
• A burn affecting only the epidermis is a. CORRECT ANSWER:
superficial partial-thickness burn
• In treating a burn patient, the "rule of nines" is used to estimate the.
CORRECT ANSWER: surface area of the burn.
• Simple squamous epithelium is an example of a(n). CORRECT
ANSWER: tissue
• A complete atom is electrically neutral because. CORRECT ANSWER:
the number of electrons equals the number of protons.